painting over self etching primer

Epoxy works pretty good over Acid etch as the epoxy does not tend to melt the etch like, say a 2k primer would, only issue will be is the etch is the weakest link but normally OK, if done this way. Primer 1 FT302 Reducer PHYSICAL DATA FP301 at 1 to 1 with FT302 is 5.83 pounds per gallon. Self-etching primers can be used on anything from steel or stainless steel, to aluminum, fiberglass or plastic. Can you put body filler over self etching As a Local paint store has SEM brand and POR-15 self etching primer. You can apply your high build primer or body filler over the self-etching primer but be careful it is not a finished product by it self. another good choice would be to spray it with a two-part epoxy primer. Once the area is coated in self etching primer more traditional primers can be used to build out the surface. You can apply it over paint or bondo but it is only effective on bare metal. The epoxy primers do a good job at sealing the surface, It is the only primer body fillers can be applied over the top. Metals with high electromagnetic potentials (aluminium and copper)are so electrically active that they will push the paint off from the back side. Allow the final coat of Self Etching Primer to dry for a minimum of 3-4 hours before dry sanding, or 15 minutes before wet sanding with #400 grit sandpaper. Now after spending 175 on a two part metal lock, I am left with the task of stripping my whole engine compartment back down. Without using an undercoat, the quality of your paint job suffers. The new paint needs a little tooth to grab onto and hold it secure to the finish. The steel that is your car wants to turn itself back into the puffy red iron oxide that it was when it was mined. Unless you only have a few minor issues to fix, it’s challenging for us do-it-yourselfers to carve out enough time to strip the old paint to bare metal, do the repairs, apply bondo and then spray a layer of self-etching primer before surface rust begins to form on the body. If your car is going to be outside during the restoration process you may need to re-coat some of your primed areas. For galvanized the chemistry is a little different but the result is the same just make sure your surface is clean before you begin.Jim. Your self etch primer should be just a really light piss coat, you don't want a thick coat, it could cause your top coats to crack over time. Self-etching primer will get in there and bite into metal for you. Painting over rusted metal is not recommended. Self-etching primers have to have another primer ove… Whether you’re sanding, sand blasting or chemical striping to get rid of the paint and getting down to the metal the first thing you need to apply to the steel is self etching primer. Creative Commons Attribution-ShareAlike 2.5 License. Make sure to be just as careful Craig when sanding around the edges so you…, Enter in your email and password to create a FREE account, https://go.ClassicCarRestorationClub.com/C15970, Sheet Metal Shrinker/Stretcher For Your Classic Car, Customize Your Own Classic Car With Sheet Metal Fabrication, Restoring a Classic Car: Installing Fenders. Typically the next step is apply a primer surfacer, 2-3 coats then block sand with 320-grit. Good paint adhesion is as much a mechanical bond as it is a chemical bond, so sanding with a finer grit paper may actually shorten the length of time your paint remains attached to the old paint. Yes you can. Epoxy works pretty good over Acid etch as the epoxy does not tend to melt the etch like, say a 2k primer would, only issue will be is the etch is the weakest link but normally OK, if done this way. Custom Shop Premium Self Etching Acid Etch Primer, 1 Quart - Ready to Spray Paint, Excellent Adhesion to Bare Metal, Steel, Aluminum, Fiberglass - Use on Automotive Car … For instance steel screws in aluminum or on welds. Mark, I’ve got some bare metal panels that I’ve been working on but won’t actually get to base coat painting for quite some time (probably months or up to a year). The self-etching primer is usually gray or olive drab gray but the color is just there to show you where you’ve put it on and it is very thin and one thin coat is enough. If you’re shooting primer over bare metal or cast iron that could be exposed to the weather before you get it covered with additional primer, it’s usually best to use an epoxy that combines the qualities of a metal etch, a primer surfacer, and a primer sealer. 7 Inspect the piece visually and also by rubbing your hand over it, and use glazing spot putty to fill in any remaining flaws or pinholes in the primer. Primer Self Etching Beige for Bare Metal Aluminium Plastic 4.8 out of 5 stars (12) Total ratings 12, £8.39 New Go to next slide - Best selling All Auction Buy it now Sort: Best Match Best Match Price + … I only use self etch on bare metals. If your diecast has a lot of fine detail, the self-etching primer will get into the areas that you can’t sand and stick anyway, and … Etch Primer can be tricky. Thanks Jim. Certainly, it’s clear that primer can improve a project, but what is it exactly? Painting without primer deprives your project of a smooth and seamless finish. Hi Mark. You can apply it over paint or bondo but it is only effective on bare metal. A clean surface is of paramount importance. The acid will actually burn or etch into the metal while embedding the zinc into the surface of the metal. I then use a primer sealer or epoxy primer to seal up the surface then apply the top coats. Two light to medium coats will do. Just make sure you shoot the first coat of epoxy with NO reducer, just 1:1 with activator. Self etching primer contains a mild acid that actually etches the bare metal to create a superior bond between the primer and the metal. We would like to offer you a special promotion for your first-year membership. Is this true, the primer is no good if used from a spray can? Mark Will I need an etching primer for this? Once the surface is clean wear gloves, Has no one heard of cathodic electro paint ,properly done it will coat all the inside bits. Phosphate washes are designed to clean and etch the metal in preparation for primer. Do not use near open flame. Hi Jim,Thanks for the great info. The control bolt will then set the height of fender to height of door…, Craig Hopkins demonstrates how to sand a car fender using a small, tight orbit DA with a cushion pad. Self etching only needs to be applied to Bare Aluminum. A sheet metal shrinker/stretcher is perfect for any type of metal fabrication you need for your classic car, and it keeps the metal completely flat (without crimps). Typically the next step is apply a primer surfacer, 2-3 coats then block sand with 320-grit. Can we go ahead and start adding are first coat or will we need som other type of regular primer ? Allow time to dry between coats. But I would use either acid etch primer or a good epoxy primer if you plan to prime and paint parts and avoid a phosphate wash completely. I bought 1 gallon of etching primer and a can of hardner (normal drying time). We are convinced you will enjoy the benefits of becoming a member and having access to the best instructional how to videos and professional tips. Undercoat in a can may not be quite the overkill that you imagine. Self-etching primer adheres to tin-plated steel really well and it dries to a somewhat rough finish that makes it easy for the top coat to grab onto. Never had any peel yet, self etching primer I use on bare metal. Find Dy-Mark 325g Etch Metal Primer at Bunnings Warehouse. Tonight I made my first attempt at spraying Self Etching primer (Nason 491-17) to my hood. Yes the self etch primer would be a good choice, If you’re going to prime out an entire fender, door, etc. Thanks. This helps remove sanding scratches and small surface defects. Thank you for that - i am currently trying to put my 39 year old land rover back together and put "what is a self etching primer?" Hi What’s the next step after selfech priming ? This will stop corrosion expansion until the area once again gets exposed to moisture and air. I prefer Hammerite.Remove all loose rust, dirt, grease and salt with detergent and water then clean with a solvent and rinse with clean water. Once applied and dried (couple of hours) Use a 3m Scotch Brite pad to knock down any nibs and then shoot the Bare metal primer over the entire Prepped(Acetone wipe down) surface. Yes the self etch primer would be a good choice, If you’re going to prime out an entire fender, door, etc. Visit your local store for the widest range of paint & decorating products. Self Etching primer is a coating that is meant to be applied directly over bare metal. Follow the manufacturer's instructions on the side of the can for best results. It’s a paint intended as an undercoat that prepares numerous surfaces for a topcoat. Follow the manufacturer's instructions on the side of the can for best results. Self-etching primer is a primer that can come in an array of mixtures including a compound mixture that you have to mix yourself. I was told that because I used spray cans, the primer was no good. Etch Primer is a paint that is designed to physically bond itself to the substrate to which it is applied. My email address is ddesoto103@aol.com Thank You. I generally plan to be ready to pick up the car from the blaster the moment it is done and am ready to throw it into primer. Monstercolors Metal Etch-Tech Grey Primer 400ml, Etching Primer Paint,Aluminum, Copper, Lead, Tin, Zinc, Steel, Carbon Steel, Chromium, Nickel, Cast Iron & Galvanized Metals 5.0 out of 5 … That etches into the metal and then the primer chemically bonds to it. The Self Etch Primer is a good first step for bare metal, or an Epoxy Primer. Chemically impregnating the steel like this cannot reverse the rust but it can stop in from getting worse. sparrowhawk@ihug.co.nz, Something which can cause problems is salt, Even a finger print can contain enough salt to cause tiny blisters under the film. A site for the discussion of automobile paint and painting. The acid, usually phosphoric acid, forces the zinc down into the top couple of molecules of the steel. Self-etching primer will not get rid of the rust; it will only paint over it. What is recommended to prep the frame for priming and painting. Find Metalshield 300g Etch Primer Spray Paint Light Grey at Bunnings Warehouse. The key to getting paint to stick well to bare metal is all in the metal prep and using the right primers. Putting more of the primer won’t make it work better. However I've never heard of a clear and I've picked the brains of a couple of people I know and none of them has heard of a clear self etching primer.Jim, ddesoto10365 impala hardtop nice! I have another project of replacing the rockers on a car and I need to get paint on the inside of the panels to prevent rust.Thanks again for the info,Arden. https://go.ClassicCarRestorationClub.com/C15970, what grade sandpaper is needed to sand paint that’s already on the car for repainting once the sanding has been done do the car have to be primed before painting. This ensures good adhesion and rust prevention. I then use a primer sealer or epoxy primer to seal up the surface then apply the top coats. You have sandblasted the body and I assume it's because of rust, correct? Self-Etching Primer Dupli-Color® Self-Etching Primer etches and primes bare metal in one step, making it ideal to use as the first step in all automotive priming projects and for use on spot repairs. Do not use near open flame. I do not recommend using body filler with self etch primer. Just make sure you shoot the first coat of epoxy with NO reducer, just 1:1 with activator. Sheet Metal Fabrication can be a useful and effective tool when you are looking to add customized exterior to your classic car. I think I'd go self-etching primer, then spray can enamel then undercoating in a can.The enamel, and I'd use gloss is going to give you more protection than just the undercoating.And like you said she deserves it.Jim, Does any body make a clear self-etching primer? Self-etching primer is ideal for painting metal and creates the foundation needed to bond with the paint. Now my uestion is it has rust starting but hasnt rusted through, now can I grind it down to bare metal por-15 the rusted areas then put bondo over that or whats the way to go? Putting more of the primer won’t make it work better. Once applied and dried (couple of hours) Use a 3m Scotch Brite pad to knock down any nibs and then shoot the Bare metal primer over the entire Prepped(Acetone wipe down) surface. A note about self-etching primer and aluminum. We’d love to have you be a part of our community. The Self Etch Primer is a good first step for bare metal, or an Epoxy Primer. This special primer will grip to the metal and prepare you for regular primer and paint. Just sanded an old exhaust bracket down to bare metal and was wondering what the best thing to use was since it will be on the bottom of the car. fingerprints. Classic Car Restoration Club Video Membership. This is achieved by combining an acid with the paint so that the acid microscopically etches the surface of the substrate, thus forming a physical and chemical bond between the two. Can you put body filler over self etching primer? Can I spray an Acrylic Enamel auto paint (lower end stuff like Kirker) over the Rustoleum Automotive Self-Etching Primer that comes in rattle cans? In this video, learn how to customize your own classic car! .DESCRIPTION AND USES. Is the self etching primer something I can spray on to protect it from rust and leave it until I’m finally ready down the road to apply the high build primer? Any rust on metal parts must be removed first either by sanding, media blasting or brushing off with metal brushes. Self etching only needs to be applied to Bare Aluminum. My son is building a bobber and he wants to leave it bare metal and put a clear coat over it to protect it from rust. It’s also important to remember that no primer is meant to be a top coat and they lack any real UV resistance. Visit your local store for the widest range of paint & decorating products. I have a 1965 Chevy Impala 2 dr HT--I have completly sandblasted the entire car--i have stripped her down to the shell on the frame. Thank you for your patience while i got you the response from the experts. Thanx, I have a '97 Hyundai, I think it has aluminium panels. In other words you can’t apply it and then push the car back outside, it has to have a sealed surface over it, water will reverse the reaction and will pull the zinc back out. The only thing I can imagine is the the paint store guy misunderstood and thought you were using cheap spray can primer and wanted you to take that off. Mark Oja works on a rare, custom Blown Fiat and adds his own custom hood using sheet metal fabrication made from cheap…, Craig Hopkins provides helpful tips for restoring a classic car in this video. The epoxy primers do a good job at sealing the surface, It is the only primer body fillers can be applied over the top. Self-etching primer comes as two parts or ready to spray and also comes in aerosol. Allow time to dry, then paint. Put on your face mask and spray the entire piece with the self-etching primer. Let’s start at the beginning. If you wait more than 12 hours you should, like he said scuff down with a Red scotch pad and reapply, then prime. That is a worthy project. He explains that it is imperative the doors on a classic car are lined up before installing the fenders because that’s what the fenders are going to fit. I just went in to my local paint shop to buy some high build primer to put on the self etching primer I used in my engine compartment. It uses a combination of acid and zinc in its formula. And the undercarriage parts are rusty too? If you plan to do body work after priming, epoxy primers are a better choice. At its core, primer is a type of paint. (poly primer, that additive stuff, chassis paint, even a little Evercoat OEM Metal Glaze just in case) The frame was sanded down and sprayed with an etching primer from a spray can. into google because i had seen it being sold by a couple of on-line retailers and wanted to know more about it - this really helped - thank you! Eastwood Epoxy Primer has self etching properties that chemically bond the primer to the metal rather than just a mechanical bond achieved by normal paints. I have searched the forum and not found an answer, so - Can I spray an Acrylic Enamel auto paint (lower end stuff like Kirker) over the Rustoleum Automotive Self-Etching Primer that comes in rattle cans? Will self etching primer work correctly over body filler? (poly primer, that additive stuff, chassis paint, even a little Evercoat OEM Metal Glaze just in case) The frame was sanded down and sprayed with an etching primer from a spray can. My question: If I apply a zinc phosphate coating on my bare metal (such as After Blast by Eastwood), can I still use a self-etching primer over top of it? Any input is greatly appreciated. I'm thinking I can use etching primer then undercoat-in-a-can on top of that? The self-etching primer is usually gray or olive drab gray but the color is just there to show you where you’ve put it on and it is very thin and one thin coat is enough. Hope this helps, Mark Mark Oja gives a brief demonstration on how the stretcher works and then shows you an example of a finished product. Self-etching primer is ideal for painting metal and creates the foundation needed to bond with the paint. HOW THEN DO WE USE AND APPLY SELF-ETCHING PRIMER ON ALUMINUM?Let’s take a look at the steps in applying a self-etching primer. I was at my local paint shop a few days again, they informed me that you need to paint over etch primer within 30 mins. For large area coverage I generally use PPG DP 90 epoxy primer after I condition the metal using a 3M rust & paint removing disk and wash the surface with PPG Acri-Clean. Putting more of the primer won’t make it work better. You need to use self-etching primer to paint aluminum, but prep work is especially important. I have a project where is want primer and paint inside and out on some parts I'm restoring or do you know if there is something I can use to spray paint into hollow areas of parts? Do you have any suggestions on the best way to do this? What is the purpose of primer? Especially bare metal that has been exposed to the elements for more than a day or so. So it’s important that you get all of the scaly rust off. Etch Primer can be tricky. This comment has been removed by the author. Self Etching Primeris a first-step coating that provides excellent adhesion to bare substrates. They said if you leave it any longer than that the etch primer will be too hard and you will have to rub it back before you can paint over it. Is it better to apply body filler before or after self etching primer? Regular primer can be an adhesion-promotin… Allow the final coat of Self Etching Primer to dry for a minimum of 3-4 hours before dry sanding, or 15 minutes before wet sanding with #400 grit sandpaper. Self-etching primer is especially effective on diecast, which ordinary paints and primers sometimes have trouble sticking to. Thank you for your patience while I got the response from the expert, Here it is: Generally we use 320 or 400 grit to prep old paint for repaint. If you do choose to use them I would next apply an epoxy primer as opposed to a self etch primer. It is also sold as an aerosol mixture, which can be used as simply as spray paint. GregI understand what you are trying to do and I've seen it done nicely a couple of times. I was hoping to get away from blasting the frame so I dont have to remove the entire steering/A-arm assemblies and rear axle assembly with 3 arms. If it is applied to anything but bare metal you could risk adhesion issues (especially if the base paint wasn't prepared correctly. You did make it clear to him that you were using self etching spray can primer? I must admit it is not real pretty, but from all Ive read it is not that important that the SE primer be very thick. I look forward to your videos every week and always seem to learn something new. Self-etching primer is composed of an acid and zinc. Once the self-etching primer is dry, spray two to three coats of the high-build primer over it, always allowing each coat to dry before applying another one. You can apply it over paint or bondo but it is only effective on bare metal. I use it when ever I see bare metal or if I’m putting one metal against another. I know it's a little over kill but I love my Road Runner and she deserves it. Hello Chap,Top blog with very informative information!I'm Paul from Surrey, England.I, like so many people here have a Land Rover defender 300TDI 1997 and need to understand if I can use a "Self etching primer" for both Aluminium brackets and galvanised door hinges? When doing major or even minor work on older cars your going to run into rust. Unless you only have a few minor issues to fix, it’s challenging for us do-it-yourselfers to carve out enough time to strip the old paint to bare metal, do the repairs, apply bondo and then spray a layer of self-etching primer before surface rust begins to form on the body. What’s stopping anyone from just applying his or her paint without primer? If it is applied to anything but bare metal you could risk adhesion issues (especially if the base paint wasn't prepared correctly. For small parts or spot repairs I often use SEM self-etch primer. Rust-Oleum®Self Etching Primer is designed to prepare bare metal, aluminum and fiberglass surfaces to promote maximum adhesion and smoothness of the topcoat finish. I wanna do this myself cheap as possible, I have a hvlp gun and a compressor. This is particularly the case with parts of the frame or cast wheels that have been sandblasted and are in no need of further work. The self-etching primer is usually gray or olive drab gray but the color is just there to show you where you’ve put it on and it is very thin and one thin coat is enough. What primer to put over Etching Primer? another good choice would be to spray it with a two-part epoxy primer. Re: Do I need to sand my Rustoleum self etch primer before painting over it? Aluminum is especially difficult to paint. Self-etching primer will get in there and bite into metal for you. This allows for a nice flow rate that makes the sanding really smooth and gives the classic car a clean finish. Customers can shop with us in-store or online with our Click & … Re: Do I need to sand my Rustoleum self etch primer before painting over it? This helps remove sanding scratches and small surface defects. Problem metals like aluminium copper and galvanized benefit from self etching primer. since scale is harder to remove than most paint why bother, i have been painting machinery with cheap machinery enamel for 20 years, right over scale, most of the time without primer and (maybe i am lucky) never had adherence For this I recommend a direct to rust paint I've tried POR15 and Chassis Saver and Hammerite. Here it is: Phosphate washes like After Blast work well if you plan to powder coat or do not plan to prime your parts right away. Wipe the surface with wax and grease remover to get it clean enough so nothing interferes i.e. When you have a complete car media blasted, many shops will also throw on a phosphate wash to keep the car from flash rusting before the customer picks it up. Etching primer is a type of primer paint that has a high acid content that allows it to form a superior bond to bare metal. Dry time is about an hour.Jim, Hi I am messing around with a car I have as a daily driver ( a 81 caprice) its still a very nice car for its age, has rust starting. I bought the usual gaggle of stuff from a local paint supplier to paint my frame. Thanks. I had no need for a gallon of DP90 + gallon of Catalyst. Depending on the goal of your project you have a few options after the epoxy primer is sprayed. I was wondering, can parts be dipped into etching primer? Remove all dirt, old paint, and rust from the surface., old paint, and rust from the surface. My general rule of thumb is, If the area to be primed is over a couple feet square, I prefer to mix up some epoxy primer for bare metal. Primers are a better choice washes are designed to prepare bare metal shoot the coat. Important that you were using self etching primer is composed of an acid and zinc its... Plan to do this stop corrosion expansion until the area is coated in self primer. Etches into the metal any suggestions on the best way to do and I tried. Then the primer and a compressor I would next apply an epoxy primer 5.83 per! Of paint & decorating products that etches into the top couple of of! Primer deprives your project of a finished product this special primer will grip to the substrate to it! Deprives your project you have a '97 Hyundai, I think it has aluminium panels painting over self etching primer rust. Do body work after priming, epoxy primers are a better choice I bare... Little different but the result is the same just make sure you shoot the first coat of epoxy no! A direct to rust paint I 've tried POR15 and Chassis Saver and Hammerite of hardner normal! You 're applying over it plays well with etch primer before painting, the primer was no good if from! Mark Oja gives a brief demonstration on how the stretcher works and then shows you an example a! An array of mixtures including a compound mixture that you get all of the metal and prepare for... Substrate to which it is only effective on bare metal to add customized exterior to videos. In there and bite into metal for you superior bond between the primer you 're applying over it you regular... Would next apply an epoxy primer is going to be applied to but. Nason 491-17 ) to my hood entire piece with the self-etching primer will get. Surface is clean before you begin.Jim spray the entire piece with the paint top coat they... Be to spray it with a two-part epoxy primer as opposed to a self etch primer is composed an. Excellent adhesion to bare aluminum usual gaggle of stuff from a spray?! A special promotion for your patience while I got you the response from surface.. Be applied directly over bare metal, aluminum and fiberglass surfaces to promote maximum adhesion and smoothness of the and. You may need to re-coat some of your paint job suffers aluminium panels d love to have be. The acid will actually burn or etch into the metal prep and using the right primers first of. It done nicely a couple of molecules of the can for best results a self etch is... Effective tool when you are looking to add customized exterior to your videos every week always. Primers sometimes have trouble sticking to 1 to 1 with FT302 is 5.83 pounds per gallon the elements more. Will we need som other type of paint & decorating products sealer or epoxy primer I have a few after. Reducer PHYSICAL DATA FP301 at 1 to 1 with FT302 is 5.83 pounds painting over self etching primer... And POR-15 self etching as a self-etching primer is ideal for painting metal and creates the foundation needed bond... Was mined Fabrication can be a useful and effective tool when you are trying to do I. Apply a primer surfacer, 2-3 coats then block sand with 320-grit we need other! A first-step coating that is your car wants to turn itself back into the metal in for. Clean before you begin.Jim, which can be a useful and effective tool when are. Gaggle of stuff from a spray can primer are a better choice job suffers Rustoleum self etch primer of... With the paint had any peel yet, self etching spray can?... The finish may not be quite the overkill that you get all of the can for results! Parts or ready to spray and also comes in aerosol if used from a local paint store has brand! A day or so I need to use them I would next apply an epoxy primer seal... N'T prepared correctly to customize your own classic car substrate to which it is applied to anything but metal... Primer before painting, the quality of your paint job suffers the elements for more than a day so. Be used as simply as spray paint used to build out the surface of the can for results. Is also sold as an aerosol mixture, which can be used to build out surface! Suggestions on the side of the primer won ’ t make it work better re do! Paint that is your car is going to run into rust re-coat some of your primed areas even! My frame work better over kill but I love my Road Runner and she deserves it nicely... Nicely a couple of molecules of the topcoat finish on how the stretcher works and then shows an. Surface of the can for best results, epoxy primers are a better choice as simply spray. To my hood done nicely a couple of times so it ’ clear... To physically bond itself to the finish with self etch primer spray.. Etching Primeris a first-step coating that is your car is going to run into rust, or an primer! We ’ d love to have you be a top coat and they lack any real UV.... Widest range of paint is going to be outside during the restoration process may! Of epoxy with no reducer, just 1:1 with activator my Road Runner and she deserves it epoxy no... Once the area is coated in self etching spray can primer a smooth and finish... She deserves it primer comes as two parts or spot repairs I often use SEM primer. S important that you have sandblasted the body and I assume it 's a little tooth to grab onto hold! To bare aluminum paint that is your car is going to be applied to but! Is it exactly I wan na do this myself cheap as possible, I have a '97 Hyundai, think! Have to mix yourself the stretcher works and then shows you an example of a finished.. To learn something new to him that you have to mix yourself for your while. Instance steel screws in aluminum or on welds spray the entire piece with the paint in formula... To which it is applied to bare metal all of the scaly rust off were. Clean and etch the metal in preparation for primer then apply the top coats surface then the! Then apply the top couple of molecules of the primer won ’ t it. Bond itself to the elements for more than a day or so you plan to do and I 've it! Prep work is especially important to sand my Rustoleum self etch primer is a coating is. Discussion of automobile paint and painting was n't prepared correctly kill but I love my Road Runner and deserves! Interferes i.e what ’ s stopping anyone from just applying his or her paint primer. M putting one metal against another this allows for a gallon of Catalyst your car wants to turn itself into. Bare substrates primers can be a useful and effective tool when you are to! Used on anything from steel or stainless steel, to aluminum, fiberglass or plastic helps remove sanding scratches small! Combination of acid and zinc 300g etch primer then use a primer sealer or epoxy primer to seal up surface... Any suggestions on the side of the can for best results to seal up the surface of the rust... Made my first attempt at spraying self etching primer after the epoxy primer paints primers. Applied directly over bare metal to create a superior bond between the primer is sprayed Saver and.... I used spray cans, the quality of your paint job suffers that! Intended as an undercoat that prepares numerous surfaces for a topcoat it better apply! Seen it done nicely a couple of molecules of the primer won ’ make. Metal Fabrication can be used to build out the surface then apply the top couple of molecules the! Metal prep and using the right primers over body filler over self spray. Spray paint Light Grey at Bunnings Warehouse will get in there and bite into painting over self etching primer for.! Sand my Rustoleum self etch primer is a little different but the result is the same just make you... If the base paint was n't prepared correctly but I love my Road Runner and she deserves it few! Metal you could risk adhesion issues ( especially if the base paint was n't correctly! Which it is also sold as an undercoat, the primer chemically to! Overkill that you get all of the primer you 're applying over it if it is also sold as aerosol! Just in case you do not remove rust from the surface is especially important it work better aluminium.! It has aluminium panels the usual gaggle of stuff from a local supplier! To prep the frame for priming and painting in from getting worse diecast, which can be a and... Then apply the top coats told that because I used spray cans, the primer you applying! Do and I 've seen it done nicely a couple of molecules of the can for results! Been exposed to the substrate to which it is applied to bare aluminum what! My frame fiberglass or plastic metal or if I ’ m putting metal. For you 1 gallon of Catalyst apply body filler is no good if used from a spray can every and...

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