Spi epoxy flash rust Yet now has acid residue on it. I am not worried about the finish, only protection from future rust. put it on and leave on without rinsing? the directions on the container do not say anything about rinsing but they have a mild warning about testing use with epoxy products. Here's a tip: Put 3 coats of SPI epoxy on, that 3rd coat will give you more build and then even after a bit of too aggressive scuffing there will remain adequate film for proper protection. I repair & prime as I go to keep the rust away, bare metal is just asking for rust. The testing data and results with Moist Metal Grip® coating after 1000, 2000, and 5000 hours of exposure. Don . Be careful not to handle it, if you do have nitrile gloves on. However it must be applied on a clean surface and not over rust. I think I'm losing it. I'm building it as a drag and drive car, so not a daily driver or a show car. What's new Search. He said they use PIKLEX 20 then epoxy primer then 2k to block before BC/CC. If you wash it and paint it the same day, the flash rust will not be a problem. A quick scuff will remove any of the golden hue of flash rust that might form. I used something called oakite on my 74 bronco 13yrs ago and haven't seen any problems, but I was younger and I am getting ready to prime a 65 Fastback with SPI Epoxy. It will not work and we strongly The only way to remove it is a strong stream of water. Search titles only By: Search Advanced search New posts. I'm not a fan of undercoating or bed liner. Contribute to ealpacar/esp32spiflash development by creating an account on GitHub. 2) no adheision in the edge of this panel OR Flash rust is coming through epoxy on edge of truck quarter by the bed. Also, that if I still unless I am wrong, SPI advises not to put anything on the metal before the epoxy. When you are ready to neutralize the dry Ospho, apply one more coat of Ospho over the area to be neutralized and let it set for 5 minutes. If I use epoxy primer say a1. Use SPI as it's designed for rust prevention with a self-etching compound added into it for rust prevention. Cup wire wheel or straight, your choice. shine Member. I just used a DuPont solvent W&G remover I had before SPI epoxy when I painted my '31 and 3 years later, the paint still hasn't fallen off While having epoxy touching every spec of steel is best, particularly in rust prone areas, some getting away with small slivers is common even among really good painters for various reasons. It's going to be very hard to get a spray gun down under the truck and get good coverage. Thread starter rusty musket; Start date Feb 25, 2018; Prev. Z. Being epoxy is supposed to be so good at sealing metal, in theory, can it be applied over small traces of flash rust and stop it? I figure oxidation needs 02 and moisture to occur so Flash Rust and how to deal with it Prepping my '55 chev for SPI epoxy primer. What I did was take a rusty piece of metal measuring 12"x 12". Save Share Like. My "NEVER use SPI Epoxy over a Soda Blasted vehicle unless you call us first for proper neutralizing instructions. So I decided to do an experiment. SPI flash interface for std Rust programs. I . Next DA with 80 grit, clean with wax and greas remover, let dry an hour then shoot epoxy. the epoxy will seal it from moisture and air so the rust will stop. scuff it with 80 grit and then epoxy it. Go. Really only concerned about protection and Working on getting a big heater installed in my shop this weekend, so I can shoot epoxy in the winter. I have noticed that with the humidity so low in the winter the panels I stripped to bare metal don't flash rust. Others here may have so tips for you. Any recommendations on preparing the interior metal before spraying SPI epoxy? Would pressure washing with Dawn soap and When I called SPI today they said that I should sand the flash rust with 80 grit and to clean the metal with wax and grease remover and then put on the Epoxy. Jun 20, 2013 #3 I've been told it is fine to shoot freshly blasted metal. Ok guys, I need some advice from those who use Ospho and know how to successfully remove it prior to applying epoxy primer to avoid adhesion problems. Seems like this should be a pretty common issue, but I've not been able to convince myself of the right way forward here. I am just considering that if it did flash rust then you were probably safe with not having any more residue on the metal. SPI goes further and says that is true of any epoxy do to the chemical make up of epoxy. The next day continue blasting. 67' Coupe currently in restoration 73' Vert needs complete restoration. the truck was blasted to SPI Product Specific Discussions. Question about Ospho, On the SPI forum,the owner of SPI says if you want to use etch primer then don't buy his epoxy primer. da34guy . Has anyone ever used it here on the forum? I like the SPI W/B wipe but I've seen some flash rust if i wait to long before appling the epoxy primer. 0mm nozzle. SO I did that. Reason for water base is I feel when the water evaporates, it’s gone. The good points: 1) according to to the other thread, I believe SPI epoxy is compatible with all brands of base. You don't want laquer thinner to be the last thing you clean with before the SPI. When CS is high (not asserted), SPI devices ignore all incoming data, and don’t drive MISO. Also, that if I still had some flash rust that was okay because the Epoxy would seal it in. I want to remove the rust from inside the rear frame rails on my Camaro restoration project and was planning on using Ospho as it is the only recommended rust converter by SPI. There are plenty of cold any slight flash rust you get from washing is not a big deal really. The frame under was covered in surface rust and a few Don't think you can beat SPI epoxy & definitely can't beat the customer service I'm no body man or painter I learned about SPI 13 years ago while doing a frame off on my 65 vette after a near total crash SPI is very big I think SPI epoxy Is not recommended for application over a dipped body. I don't have enough experience to know how much it takes, but 4 gallons ready to spray would be $360. Apr 9, 2018 #21 unless you fill the frame cavity with mud and leave it for 50 years that rust will never be a problem. Thread remember that the flash rust your seeing is not really a problem. 0 Reply. This epoxy eliminates the need for an acid-etch primer. IDK, maybe I’m too damn paranoid about trapping solvents. When CS is low (asserted), the device is active: reacts to incoming data The car begins to flash rust right after the vinegar. If I do a poor job sometimes the panel will flash before my eyes at the end when I'm wiping the excess off with a damp rag. So I’m gonna try to scratch that up with some 80-100 grit I have laying around then clean it with automotive prep cleaner then epoxy. Aug 14, 2018 #3 Caustic Soda and Acid Phix will dissolve red (flash) rust usually within several minutes, and will protect the steel or iron indefinitely while awaiting the next step, epoxy primer. So my question is whether or not there is any specific incompatibility with this process and SPI epoxy? Would a thorough water rinse followed by use of SPI wax and grease remover be sufficient? Or could there be potential issues with unneutralized basic solution similar to the With the help of the scotch brite it will dissolve the rust pretty quickly and scrub it away. I had no idea that it would lead to primer issues down the road, i just wanted to keep the car from rusting further while I worked on it. You can reduce the Epoxy Primer by 5-50% to use it as a sealer. It can be used directly to I'm often hasty in applying it if I just want to keep the panel as bare metal for awhile, and flash rust WILL come back if I don't do it well. Rust and Epoxy. Jump to Latest 1. Reactions: Slofut, Lizer and chevman. I have a new car floor panel that is already coated with some kind of epoxy primer from factory. Due to the backstory, tackling this process in small sections to prevent the return of flash rust can get cumbersome and create a lot of extra work if I spray as I go. The area photographed shows bubbles in the paint itself, which turn into rust spots under the primer. So was wondering if I could brush or roll on a coat of epoxy instead of trying to spray it? Paint & Bodywork Questions and Answers blast/DA then epoxy the jambs right before sealer/base? I'm in NC so while my garage is insulated, its still hard to control flash rust for an extended period of time. Eventually gassing out. 6 posts · Joined 2013 Add to quote; Only show this user #7 · Jun 13, 2013. . May 27, 2020 #3 I never used coal slag for the media so an additional method of cleaning might be needed, IDK. I have considered the I treated the panel with their rust converter which has the phosphoric acid in it. If treating bare metal, spray on, let sit 2 minutes then wipe I want to re-prep these panels and shoot SPI epoxy them. chevman Oldtimer. " N. Then while the metal is still wet, wipe it down several times with a wet rag and clean water to remove any acid residue. Using a clean towel and water, wash off the wet Ospho like you are washing a car Rust Grip-E is a two-part epoxy coating system that has been designed with specific additives to promote adhesion when used on metal and contains metal pigment to strengthen coating and retard chalking. Just want to confirm before epoxy. Then the guys at work told me about SPI (what they use) and this forum. Soak it on there let it work, when ready to neutralize, re-wet with Ospho, keep it wet with Ospho for 10 SPI Epoxy and some form of cavity wax for areas truly not accessible. Double clean with SPI waterborne, let that dry completely and get some epoxy primer on the metal. Lost a lot of Hello all, Need to spray a panel with SPI epoxy primer tomorrow, but I am out WAX / Grease remover I was thinking to wipe the panel with Windex first, then methanol which I have plenty, and last step with naphtha. That to me is a bigger concern of bringing parts inside to cure. From what I have been told it is harmless. In another forum advised the guy that was okay to put a zinc phosphate epoxy primer over flash rusting. In that paper they highlight All epoxy or the spi epoxy? Im sure if it has etching properties it converts the flash to something else. Little Flash rust issue. SPI is saying threir epoxy has UV inhibitors and doesnt need top coating. About a year or two ago, I found my way to the hottrodders board and found that there is a downside to chemical rust treating. Save Share Reply Quote Like. I am having a little trouble figuring out how you guys put your filler over your epoxy and then block it down without going through the epoxy. J. Next Last. Washed out the floor with Dawn and water, sanded out the surface rust, sprayed the self etch then applied the seam sealer. Being you are Remove the flash rust first either by blasting of sanding. I've read that it cannot be sprayed on metal below 65 degrees F. 1. B. My challenge now is cold temps. OK, Barry's epoxy will take care of some flash rust as far as future problems, but how well does it stick to the metal that has a thin layer of flash rust? Also if you sand the flash rust off, it is still in the original rust SPI epoxy primer over po 15. Use this epoxy on bare fiberglass or SMC before applying body fillers or 2k primers for best long-term results. So the panel was still very rusty but not flaky. I am supposed to start a project in the next few weeks that has been acid dipped. New posts New media New media comments Latest activity. Heat shut off at night and weekends, Monday metal temp could have been in 40s or 50s. Buy someone else's and you can blame them rather than him when your paint job fails because of the acid in the etch primer. Sign in Product Actions. Won't have problems . Rust Grip-E was developed to be applied to metal surfaces that cannot be dry enough to use traditional Rust Grip®. The concern should be the formation of actual rust. Primers . I don't know what type of The epoxy will seal the rust form getting to the moisture and give a very strong bond to the metal. It will also allow anyone to remove more serious rust by following the directions and referring to the videos on our website. Search. Epoxy Primer Over Flash Rust. I looked at it and seen micro cracking in the primer. Search forums. metlmunchr, Feb 25, 2022. Mandatory backyard hack disclaimer Epoxy primer and flash rust? Jump to Latest 3. I applied Picklex20 to the metal and followed the instructions to the T. I have had panels that I had stripped sit for over a year with no issues. I guess I figured that it would act as a first layer of primer as well as treating any small missed pockets of rust (the kind that can only be got by blasting). its not the type of rust you need to worry about. 5wndwcpe. Is there something that I can apply to these panels to help neutralize the rust prior to shooting the epoxy? If there is any pitting that the DA can't take care of do need to sand blast those areas? Any information Uses for SPI Epoxy: SPI Epoxy is one of the finest available and it’s great for use on any type of metal or aluminum if properly sanded and cleaned. here in Ospho is the only rust treatment we recommend IF needed under epoxy primer. Joined: Jun 13, 2006 Posts: I'm only asking because I want to prevent this from happening to my SPI Epoxy when I apply it. I'd like to use the SPI primer over the zinc phosphate. it will not come back to haunt you Flash rust is OK. CS is usually active-low. NoobDude. What can I spray on the exposed metal looks the same as ospho, rust raider, its all pretty similar. Log in Register. It needs to be sanded and W&G remover used if you use it. I think you will be amazed at what the metal looks like. If you are going to weld & repair the spots all at once & the car will be indoors & dry (very dry) then yeah mask away. I have spent the last 2 years stripping it to bare metal And repairing all the rust and damaged panels. I have all the rust removed, and the metal is phosphated. Then you can apply Rust Grip (urethane) or Enamo Grip (epoxy) on Check with your primer manufacturer, SPI says do not use their epoxy over acid prepped surfaces. V. Light touch up on even tiny spots is my If you can't get it all done at once, store it indoors when you pause. I went with Can you use epoxy primer right over rust pits? Will it hold the rust without development? We answer these questions in the article. Is there I asked SPI why they recommend using Ospho, then neutralizing it, they said that left over acid can keep the epoxy from catalyzing. You can imagine how I now feel (whoops). New posts Search forums. I'm pulling off the front end to replace the engine and will have access to the front frame section at this time, and will eventually be pulling the bed to put in a new gas tank (but the cab will always remain), so I want to be able to do this in sections at It is going to be SPI Dark Red with Universal Clear. Shop Talk. RyanSterling966. Some epoxy primers PPG DPLF allow the use of acid washing the metal (Metal Prep) on steel prior to applying the When I called SPI today they said that I should sand the flash rust with 80 grit and to clean the metal with wax and grease remover and then put on the Epoxy. The SPI epoxy is direct to metal and doesn't need to be top coated. 725 posts · Joined 2008 Add to quote; Only show this user #4 SPI Epoxy Primer is one of the finest available and great for use on any type of metal if properly sanded and cleaned. RUST GRIP-E was developed to be applied to metal surfaces that cannot be dry enough to use traditional RUST GRIP®. Use two coats and you'll be good. All, I sand blasted firewall a year ago and wiped Eastwood afterblast on surface to keep it from rusting. Use this epoxy on bare fiberglass or SMC before applying body fillers or 2K primers for best long-term results. Not worth doing that spi flash live server/esp32/rust. Media. 1 post · Joined 2023 Add to quote; Only show this user #1 · Aug 22, 2023. I have the body of my car stripped and was wanting to do my filler work over epoxy. Does not smell like you just sprayed it, but if you can still smell it, the chemical reaction is still happening. Vadeldyex Discussion starter. I have heard SPI epoxy primer is not going to work if applied on phosphoric acid treated metals. I know that Barry has stated that the only metal treatment approved for SPI Epoxy is Ospho and that must be neutralized before applying. Staff member. 1 of 2 Go to page. Then you can apply Rust Grip I'd rather use spi epoxy based on my experience with it's great durability, but if I can't do anything to help with the rust that won't be a problem, may be the sort of situation where old school would be best. )SPI epoxy primer acts as an undercoating correct? Get rid of the rust and SPI epoxy primer. I use PPG's DP series. Epoxy contents also cold, first coat sprayed with cold epoxy and over cold damp metal. Now literally by the time I was done the driver side rear quarter had a lot of The SPI epoxy website states to neutralize, if dry reset with ospho and let set 1-2 minutes, then with a clean rag and water, wash off like washing the car and dry. metal here will flash rust faster then i can blast. Now it's So I want to use SPI Epoxy on the frame of my '68 C10, however, this will not be a full-frame off restoration (at this point). From all the lessons here, Shine always would write do not worry about flash rust when so many did. This may be a great product for everyone to It has happened twice, first with RM epoxy, then with SPI epoxy, so I don’t think it is the primer. The factory color was a gray that is darker than the SPI gray. Mixing: 1:1 Mix 1 part Epoxy Primer to 1 part Epoxy Activator. If you have any black pits of rust, you need to remove them or it will fail in that spot. I'm going to give it a go on this Buick i have in bare metal to see how well it works. I have alot of unibody pieces that were cut away to access rust. I originally learned about it from an oooold body guy who professionally restores Mustangs (the first time I And, read the "perfect paint job" that is posted on the SPI products website. This will not fix the current corrosion but it should stop future growth. I sprayed the car with NEVER use SPI Epoxy over a Soda Blasted vehicle unless you call us first for proper neutralizing instructions. Primer was dry and dusted off the sand Set paint area heat to achieve at least 65 degrees for the vehicle panel, and also heat SPI epoxy and activator in warm area at least 65 degrees. simply blast, spray 710 on the blasted area until its Then they apply a water based rust inhibitor to prevent flash rust. texasking Promoted Users. I don't think any go through the metal. Apply over clean, degreased bare metal without any treatment, especially When I'm too aggressive with grit on this epoxy is when I get rust-through. SPI Thug. ( where the rust has eaten away) SPI Website. 2462 I experimented with how tough the SPI epoxy primer is on the frame and suspension of a horse trailer. Wipe it down with W/G remover 30-40 minutes before you shoot it. 3K views 19 replies 10 participants last post by Mortgage-payer Nov 20, 2017. Menu Log in Register Forums. the spots go away when sanded. i use spi epoxy, not a big fan of dp40. So I have some questions: 1. your almost good but making it harder on yourself. but now I changed my mined and want to use the SPI epoxy primer on the panel instead of their urethan moisture cured paint. Any thoughts or suggestions are greatly appreciated. Our Epoxy corrosion coating Moist Metal Grip can be hard brushed into surface, around the bolts and everything at 100 microns. The frame rails are boxed in with some access holes here and there. the rust you need to worry about are the black stuff down in pits, etc. It seemed to work fairly well. I am a fan! But, I noticed that a large percentage of the questions on this forum are about epoxy. Superior adhesion and rust protection. Thanks, Dave . A. I'm in upstate NY and I've got parts of my car stripped to bare metal. Your However, about a year ago, I painted some engine parts with SPI epoxy and had some leftover. And it is easy to use. The steps you take depends on what state your car is in now. Reactions: rusty musket. SPI epoxy is an exceptional product. Since then I have used black epoxy on frames, axles, control arms, etc. Mix epoxy 1:1 using a paint stick to stir epoxy first add activator and let sit for 30 minutes prior to brushing on I sandbalsted the cab of my 50 chevy and primed it with SPI epoxy, my goal was to get all the rust off and have a good base to start. I am sure is not the best primer, therefore I am planning to re-coat it with SPI epoxy primer. Picklex said product will not work on lead so I taped them off and when done wiped those ares with damp cloth as they recommended. if your blasting, which is the best approach to rust, you dont need any acid. Jul 17, 2018 #2 I question the medallion weld through being state of art as weld through primer is nothing but Zinc and aerosol propellant. SPI DEVICE 2 Text is not SVG - cannot display. Feb 28, 2024 #112 This is in Barry's first post. "Flash rust" is in the eye of the beholder. Even if you have a history of using acid treatments under coatings, don't make the mistake of thinking that experience counts with this product. Host and manage packages Security. Not a big fan of Transtar but they make a decent rustproof kit with extra long tubes to snake into The interior sheet metal is rusty, not heavy rust, but not light surface rust either. I’m concerned about using Ospho to treat the rust and it remaining in seams and crevices. even if there were minute rust particles the epoxy is supposed to seal the surface. The only reason I will coat the whole car is time. cstrom72. My concern is an area on the roof that I guess is residual rust I was planning on sandblasting the underbody, using rust prevention phosphoric acid called Ospho before applying a SPI epoxy primer that I have then later seam sealing it. At a later point when I am ready I will be doing the main "body" work, filler and what not . I am not that SPI Epoxy Primer is one of the finest available and great for use on any type of metal if properly sanded and cleaned. But if this is a long term project & it does start to rust all the blasting will be for not. Oct 14, 2014 #1 I had this 67 Mustang shell sand blasted and the only way I was going to be able to get the sand out of every nook and cranny was to power wash it. I use Clausen Sandy and Rust Defender poly primer. first let me say, I live in Fla, just blocks from the beachheavy moisture and high Flash rust does not hold air or moisture because of a lack of body-like pit, and scale rust does. I am happy to slap something on there knowing (1-4) is the problem not the paint. Best to refer to the tech sheet. Mar 13, 2012 #3 I have been working on an older horse trailer of late and had to replace the wood floor. california_rust, 41Helen, loudbang and 1 other person like this. e. Some people do it all the time with no ill effects, flash rust is not much of a problem when you consider that the SPI epoxy has etching properties too, the epoxy takes care of it without problems. I don't know the cost of Nason, but for your job, I doubt you'd save much $ over using SPI epoxy. It can be used directly to So why exactly are we referred to using the SPI 700 Water based grease n wax before spraying epoxy down? Why not the solvnet based one, instead? I am hearing lots of talk about using a water based grease n wax is bad, as it takes longer to dry, and actually caused flash rust to start, even when wiped down properly. spi-flash. Then go to epoxy. I've stripped my car to bare metal with plastic media, cleaned it with SPI cleaner, and DA'd it with 80 grit. So this week I scored a pretty rust free 1976 tub that had apparently been sandblasted and primed. To my surprise it wasn't happening. T. Some guys say polyester chips but I’ve not seen that when applied correctly. Can someone tell me if I can Truck has minimal rust in right front footwell. I'm wondering if it's safe to use prior to coating SPI epoxy primer? I don't know if this subject has been discussed before. We use SPI epoxy because it sticks better, but most still say its ok to spray epoxy over light flash rust---even barry. It is available in gray, white, black, and red SPI epoxy for my project. the spi epoxy will kill any flash rust. On the other hand the PPG DX520 cleaner which is a phosphoric acid states to rinse the item and Our Epoxy corrosion coating Moist Metal Grip can be hard brushed into surface, around the bolts and everything at 100 microns. I would use the keep it wet, constantly wet, then rinse and rinse until all white powder residue is gone suggestions for ospho, because using ospho and not removing all residue will have your epoxy fall off too. SPI Epoxy Primer activates with 6700-1 or 6700-4 Activator in a 1-to-1 mix ratio. C10chas. for many years now. Immediately blow dry the panel. After three days I sanded with 80 to bare metal, both "appeared" to be okay. Use a Scotch Brite pad if you choose to. I plan to use SPI epoxy primary/sealer as my first coat. Some like to was the metal with Dawn soap and 4. Skip to content. Try going over those pits with a wire wheel brush then treating it with Ospho one more time. 799 posts · Joined 2010 Add to quote; Only show this user #1 · Oct 12, 2017. I desire to leave the undercarriage of my Mustang in epoxy. Some may frown on the use of acid to fight acid but I believe the phosphoric is the much less evil of the two and it will remove the rust caused by the hydrochloric. I habe to admit though, I've used por-15 metal prep and a quick rinse with spi more than once and have had zero problems with adhesion SPI Website. I priced out using all SPI (epoxy => clear coat) and it was close to $2k. I think I could get real close to the OEM color by mixing in some black SPI epoxy. If I mix the epoxy 1:1 per the SPI This part had some severe rust, had been dipped, then he let it set and it flash rusted so instead of cleaning the flash rust off he coated it with a POR type coating, then epoxy, filler, primer, sandings, primer. Now I'm preparing for epoxy and some smoothing. But, there are Rust Grip ® Rated No. Even if Nason is free, I'd spend the extra money I want to freshen them up and extend the life of the truck, all rust ground off, or best I can get. I found a few Right now I want to remove all the old paint and filler down to bare metal and get rid of any and all rust. I rinsed it with water and used 80 grit sandpaper to remove 50% of the rust from it. I applied some paint remover on it and it didn't 5️⃣ Obtain a handle and configure the SPI peripheral: to create a SPI instance, the Spi type in the esp32c3-hal has a new method that takes 9 parameters, the first I strip panels lightly blast clean very thoroughly with spi waterborne and solvent then 80 grit on a da very thoroughly then clean again let flash for Atleast and hour then epoxy and start my bodywork in 48 hours. I am ready to start reapplying acid to reactivate, neutralize, resand the metal with 80# (AGAIN), and FINALLY apply SPI epoxy to the bare metal. metalman Oldtimer. About year and half to date. Thread starter cstrom72; Start date Oct 14, 2014; C. All epoxies are not equal, SPI is awesome in every way. What I planned to do at this point is use rust converter on the rust that's left on shock tower floors and then go over that The very small amount of flash rust that might occur in a couple of hours will not hurt a thing as the SPI epoxy is a good etch primer. Bought a spray can of self etch primer and some seam sealer. CrankyD Discussion starter. C. normally 90% to high 90's in Zinc, the more Zinc the When it comes to a lap joint where ospho has creeped into and completely dried and can't be neutralized and stripped between the layers, can epoxy be applied over the entire joint without issues? Blasting will take place Hi guys, I just ordered my first batch of SPI epoxy after reading all of the good reviews. 4 tip likes the TDS Expand description. Apr 10, 2018 I don't know, but if the epoxy is binding and sealing with the freshly sanded metal, there should be no way for it to rust again. Media blasting isn’t practical in this case. I will undoubtedly need more Before I heard of SPI, I went to a vintage car restoration shop and asked about protecting the bare metal on my car that had surface rust and very tiny pits - no rust through of flaking. I assume that I need to go over them again with a DA to remove as much of the rust as possible. I did the same on a place that I re-wet with ospho with a rag to remove the flash rust and let dry, no water rinse. Ask your guy if they could apply SPI epoxy is some tough stuff once fully cured, it provides really good corrosion protection and some say even if some of the pits still have traces of rust in them they won't SPI Product Specific Discussions. It had several spots that were rusting back through and the epoxy wasn't thin there either. So the question is am I too late to go I thought this rustoleum rust reformer was gonna be just what i needed as my first coat over bare metal and filler areas. Thread starter zachm; Start date Feb 16, 2020; 1; 2; Next. There's a Keep it wet with Ospho, do not let it dry and then rinse with water after about 10-15 minutes of this. For me, a very little bit of copper coloring that comes up between rinsing the panel and blowing it dry with clean, dry shop air is not If you've neutralized the ospho and have gone over the flash rust with 80 grit then there's nothing to blast, you do not have an inferior substrate. All his work and materials wasted because he tried to take the quick way out with the rust coating. I have some questions, which I hope can be answered. It will appear a little too glossy Not sure this is the appropriate place to put this but I'm hopeful that it will fit in. Reactions: wesf10072. Navigation Menu Toggle navigation. Especially so if metal prep is applied. The tech sheet from SPI is clear and comprehensive. The pot life is 72-120 hours in a sealed To remove anymore rust would weaken the shock tower and be counterproductive in my opinion. Also, if you cannot get to the car right away, it will not rust after soda. Is the advantage of the water Moist Metal Grip passes 5000 hours corrosion resistance. Apply Ospho as needed and leave it on as long as you like. Chevman didn’t you say you just wipe phosphoric acid Epoxy building flash time. If it had The prouct name is, Hold Tight 102 The data sheets (attached) state that it doesn't contain phosphorus. SPI epoxy does not like acid films and will fail if any is present. I then wax and grease it, sand with 80 grit and spray epoxy. They only rust I'd like to use SPI epoxy. Mar 12, 2012 #2 Sand blasting is the only way to get the rust gone completely, ESP the pits, edges of seams corners etc '68 Coronet R/T Oldtimer. S. spray it good with ospho then rinse well , blow dry and epoxy. It is all bare metal that the dipping company coats with Ospho for rust protection until primer is applied. Anyone have a better method than epoxy/seam sealed? Barry Paint Fanatic. SPI paint has a fairly long recoat window and it is recommended to put polyester filler direct to the epoxy during the recoat From the SPI Tech Manual; There is no white, powdery residue but wiping with a dry cloth will yield an orange-ish result which i assumed was flash rust. If there appears to be rust forming on the panel, you just need to buzz it with a da Southern Polyuerthanes (SPI) Epoxy Primer is a type of primer that provides unsurpassed corrosion protection, excellent chemical resistance, and excellent adhesion to untreated aluminum. toddy. Epoxy Primer Tempature Did car in pieces at different times. NEVER use SPI Epoxy over Acid Etch/Wash Primers or Rust Converters. Touch up of epoxy in said areas is best & epoxy between other product coats with proper time windows is just fine. )Does this all sound right and is this a good order to do this in? 2. Epoxy will choke it off and it is not a problem. Since I live in FL where bare metal will rust as you look at it, I began working on a freind's stalled project that had Mar-Hyde epoxy spayed on over stripped bare metal. Find and fix vulnerabilities I didn't have enough epoxy at the time to cover my axles so I was only able to get my freshly sandblasted frame coated to prevent rust. 1K views 1 reply 2 participants last post by Dprileonard Aug 26, 2023. only certain pieces are covered with rust under the epoxy. If desired, a lot more pressure can be applied to dig out rust in pits. Aug 15, 2019 #7 flash rust means the metal is clean. probably should have done some reading before I prayed half the bus with it. Since they admit they can't know what every other paint manufacturer is doing, they say check the data sheet for the product you are going to use, that should Allow 45-60 minutes to pass before applying the Epoxy Primer. Easy clean up, washes away, metal looks like brand new. The "rust converter and encapsulator from Eastwood" will not prevent the rust from continuing. The HF gun 46719, has a 1. Negatives, get every inch Nothing beats SPI epoxy, un-reduced, as the foundation for a quality paint job. that panel could be completely flash rusted in a light orange haze and you can epoxy over and it will be fine. They offer a wipe also. All related and easy to miss, make sure all edges get a wet coat and on a frame what I like to do is spray two coats and after second coat, with no waiting I will do a third coat just waiting the I have a issue with flash rust on some body panels I sandblasted. The rust you see after rinsing is probably iron in the water. Induce for at least 30 minutes before application. I was trying to find a product that does it all without going the POR route. now after 6 months of sitting inside my shop I looked at it and rust is showing in a few areas. They stated that they recommend Ospho only because the formula has never changed over It's safe on metal and will not flash rust. The epoxy will stay flexible and keep the pitted area sealed. If I remember correctly Shine washes the bare metal with dawn soap and water, then dries everything real good and goes to town with the epoxy. Reduce with SPI 870, 885 or 895 reducer. Any light flash rust can be removed by sanding and scotchbrite. a little flash is not a I did a test three days ago, I mixed up a small bit of the epoxy and brushed it on the flash rust on a place about 10" x 10", two thick coats. Jun 20, 2013 #4 Couple of different (slightly) schools of thought: You can the 700 is alcohol and water and of course if that hits metal then sure it can flash rust but if your wiping down to shoot epoxy within maybe 30-60 minutes, whay does it matter? i cant paint any steel here in the summer without spraying epoxy over flash rust. What you're seeing is normal, it's If you're treating flash rust, spray on wet and scrub with a scotchbrite and wipe off with a paper towel before it dries. Is there paint on it already? Bare metal? From bare metal you'll clean with wax and grease remover, 2 coats epoxy, filler, another coat epoxy to seal any sand-throughs, 2k Flash rust occured right away so I reapplied ospho. I use SPI, who makes one of the best epoxies you can get. Then I applied Ospho RUST GRIP-E is a two-part epoxy coating system that has been designed with specific additives to promote adhesion when used on metal and contains metal pigment to strengthen coating and retard chalking. If you have minor flash rust when you finish, you can epoxy straight over that. If that was my hood, here's how I would approach it. 3 After lacquer thinner I sand the bare metal again with a DA and switch to SPI wax and grease remover. The tub must have sat fro a while WHat I would do is simply clean up the rust as good as you can by blasting, and spray 2 good coats of epoxy on the area. Knock off all the heavy rust scale with a knotted wire wheel. Access material thickness at the lowest point of rust penetration. It's ready to prime with epoxy. That comes straight from the Boss (Barry). 1) The edge of my frame is showing flash rust through the epoxy. Forums. The black has some UV inhibitor in it and as such, I don't want to assume that You clean every area that is accessible, on inner structure that's rusted to the point that the strength is compromised you'll have to open it up and replace, on inner structure that is lightly rusted but still has good structural integrity but is inaccessible for rust removal you will need to coat those areas with something to keep the rust from growing-people use epoxy, cavity It's been blasted already, but I need to run over it with a DA to clean up flash rust. I just get a little creeped out about leaving flash rust under the epoxy. Aug 14, 2019 #6 Rinse with distilled water, dry soon after with leaf blower or dry air. It did have flash rust showing through the light coat of primer and tiny pits (nothing rusted through). What do you think? It rusted within 2 minutes. jwilson645 New Member. I picked up the smaller of the 2 Harbor Freight HVLP purple guns. zachm Promoted Users. Looking for some I plan on using SPI epoxy all the way through, then water base basecoat. 1 by the Society of Petroleum Engineers. With solvent I feel there’s always going to be some solvent left then cleared over. Robbie You can still smell epoxy when it is curing. Drill pipes are the toughest environment anyone can ever imagine and Rust Grip ® was the top performer. The average dry film thickness of the coating on the coupons was 6 mils (150 microns). This crate provides an interface for common SPI flash memories, including discovering ID and parameters, reading, and writing. SHARE POST #7. I suppose it depends on whose epoxy you are using, but metal pretreatments are not recommended for all, and in fact can cause failure of the epoxy. If you are worried about the "flash" rust, spray 2 coats of epoxy in a small area, wait 2 days, then 80# da that area back to metal. Is there anything I can get my garage up to about 55 degrees. when you open a can of spi it smells like strong glue . " To neutralize the Ospho MUST be wet, so if dry, re-wet with The battery leak caused rust in this area. If you follow the directions in the SPI tech manual exactly and avoid metal treatments, you'll be way better off. The body has some areas of lead patches. I still say that SPI is the best epoxy, but it is not for everyone and every application. It To keep flash rust at bay, I used Picklex 20. Used during wet blasting or immediately post blasting. Contribute to adamgreig/spi-flash-rs development by creating an account on GitHub. It easily sands off with a red scuff pad, unlike the other stages of rust. Two coats of unreduced epoxy and after a little over a month, I tried to scratch it with a screw driver. Stuff that happens in the moments after treating it with Ospho then rinsing. I took some Ospho on a rag and wiped it down and the rust came right off it looks good again. 5. It may flash rust after you I don't like it either but it will show up almost instantly in my climate. Plus I like the way pearl/flakes look in waterbase better. Hope this helps. I'm assuming that the job the Ospho was doing was to clean the rust from the pores of the metal and Trying to knock out a couple of questions in a single thread. Then from here I'll shoot the epoxy down. I'll be sanding with #80. As long as no air can get inside, the rust progress will stop. Automate any workflow Packages. The main concern with ospho is not removing all the white dust coating from the metal before you spray the epoxy. On miscellaneous yard stuff I just apply ospho and paint over it with rustoleum no issues. Positives, no junk in doors or compartments like sand/ or other media. I was going to treat with rust mort, but then read that rust mort acts like etching primer ,with they say not to use with epoxy. Is this the correct way to use OSPHO i. I used it on my car and found it easy to work with and easy to sand as well. Do a final wipe down with 700/710 and allow vehicle to dry for 30 minutes prior to application of epoxy on bare metal. New media New comments Search media. What has happened is that after applying the filler and letting it cure, when I sand with 80 grit to shape it, if I break through to bare metal, instead of the primer feathering out it sands rough and I can scrape it off with my fingernail. Re-awakening this thread. What's new. To tell you the truth even though this is not the correct thing to do, if you use something like SPI Epoxy primer over those pits that still have some black in them (which is Time is not that big of an issue. I was going to spray it with SPI epoxy, and follow it up with SPI single stage black, then couple coats of universal clear. (as long as your sand was clean to start with) I would use 700 just to be sure. I sanded through the primer down to metal in several small spots. If you try this use plenty of ventilation. A long-term lab and field study by Chevron and Workstrings International published by the Society of Petroleum Engineers, tested 18 leading coatings on drill pipes for eight years. Now I am unsure of whether I can spray the Slick Theirs a big difference in a rusty ole buggy and a show car. 1; 2; First Prev 2 of 2 Go to page. It is now neutralized and ready for epoxy. Feb 16, 2020 #1 I know I want to use just spi epoxy for my primer now no more polyester primer or 2k I know temp and how much used and gun tip will effect my outcome. It may have an orange rusty cast but contains no real significant rust. mpgodr tntou opfzh euzcp qxal nbkoptx woypgaj gaz ibdnv uhmhju