Polyester primer over bare metal

MP220 Chrome Free Etch Primer Primary use: bare metal adhesion and corrosion protection. MP220 is a chromate-free, two-component acid etch primer that provides excellent adhesion and corrosion resistance to properly prepared bare metals. Etch primer is applied prior to primer surfacer or urethane primer sealer. Primer Surfacer. MP243 Polyester ...You can apply it directly over bare metal, body fillers, Epoxy, Polyester, and Self-Etching primer as well as pre-existing paints. We like using Urethane Primer as a sealer to seal up the surface before applying paint as it won't cause issues with any coatings you put on top of it as well.Polyester Filler Primer or Polyester Glaze Putty Feather fill G2 is meant to spray over a lot of body filler that's cut and shaped with 60-80 grit. If you use this, I would spray over a 100 - 150 grit sanded surface. Price: $80.00 - $90.00 a gallon kit.etch primer or acid washes are 70's technology and have no place in todays refinishing industry , with the exception of aluminum or galv . epoxy has been proven time and time again to have better adhesion and corrosion resistance than polyester. it also has less shrinkage and swelling .There are basically 2 types of primers for bare metal-epoxy and self etching. Most "old school" body guys used self etching and some still do. There is realy nothing wrong with it but most now use epoxy. Self etching primer also has a tendancy to lift some other types of paints that may already be on the surface so it's hard to spot prime with.Just scratch the low spot with a little 80 grit and press the filler into the scratches on your first pass then fill it up, let it harden and block it level then reprime with more 2K then guide coat and block sand with some 400/600. Spray Painting 101 DVD Link. 04-08-2010, 02:25 PM #12. 88GT Guest.Block until you start to see metal poking through in places. Concentrate on not letting prime build excesively on edges. If you have lows use some 2 part glaze to fill them, sand then re apply Epoxy to your bare metal areas, wait the appropriate time and apply your choice of poly or urethane again.What to do? Spray a light coat of epoxy primer (not self etch) on any bare metal. Let it dry for about a day. Scuff it lightly. Spray your polyester primer. **The epoxy must be dry!! The polyester will delaminate and crack if the epoxy isn't dry enough. So do it right.This is an area where many make the mistake of applying a primer surfacer (high build, sandable primer) directly to bare metal. There are cases where primer surfacer has peeled from bare metal. So, epoxy primer first, primer surfacer over that. The epoxy primer needs to "vent" solvents prior to spraying the primer surfacer. Let it dry completely.Polyester is the same material as body fillers and glazes, those can go over bare metal. So if its a small spot, then yes I poly right over it. If its large, then I will apply epoxy. If its that big, then I have bigger issues. As for the surfacer. its not meant to be a cure all IMO. I like to use just enough to help fill the 320 scratches and ...Working on Ahmed's Jeep Cherokee project and had a question about applying body filler over metal or a primer... Get a FREE Auto Body Guide Here: http://www....3. Acid Etch Primer. Etch primers provide higher metal adhesion and corrosion resistance, but not as much as epoxy primers. However, since etch primer dries quicker than epoxy, it is often utilized in collision repair to increase throughput. In restoration work, epoxy primer is more often used on bare metals than etch primer. 4. Enamel Primers ... You can apply it directly over bare metal, body fillers, Epoxy, Polyester, and Self-Etching primer as well as pre-existing paints. We like using Urethane Primer as a sealer to seal up the surface before applying paint as it won't cause issues with any coatings you put on top of it as well.1980 Porsche 930. best primer over Evercoat Feather fill / MAJOR PROBLEM. so, I took the car down to bare metal, sprayed the car with two coats of self etch primer from East wood, followed by two coats of Evercoat Feather fill G2. Blocked out car with 80 grit, Filled spots with filler. Sprayed three more coats of Evercoat Feather fill G2.Working on Ahmed's Jeep Cherokee project and had a question about applying body filler over metal or a primer... Get a FREE Auto Body Guide Here: http://www....Find many great new & used options and get the best deals for Evercoat Automotive Polyester Primer 730 Super Build Gray 1 Gallon at the best online prices at eBay! Free shipping for many products! again if you want to use polyester over bare metal get some claussen all-u-need that stuff is made to go over bare metal. 10-10-2009, 05:35 PM #19. kevininohio. ... I had a trunk i was doing once that i sprayed with polyester primer first over metal and i had a few high spots. When i went to block sand it, the edges where the primer ...Sep 12, 2010 · Polyester primer is basically thinned out body filler, and body filler if properly applied over bare metal has worked for years I'm glad you read my website, and posted that I washed the body down with lacquer thinner. Sep 08, 2010 · 1. Metal work and bondo on bare metal. 2. coat of Epoxy primer for corrosion protection. 3. let flash for 10 minutes. 4. 2-3 medium coats of polyester primer to cover up some low spots. using this as sprayable bondo to level out the panels even more. O. As Jeff Wright wrote in "Polyester Over Epoxy" in Epoxyworks 22: "As with many products, the surface must be prepared properly: if it is not, then poor curing and adhesion may result. ... VP2100 Polyester Primer should not be applied over bare metal, only over epoxy primer, fiberglass, or body fillers.518. the poly primer is basicly sprayable body filler (bondo as most know it) u can go over properly sanded bare metal but not over etch prime , what you should of done was either use a epoxy primer and then the poly or just the poly, as said above now you have to put a 2k primer or epoxy over the etch prime, also keep in mind that you CANNOT ...Recommended cutting with a 150-180 grit paper. Finish with 400 wet or dry if you plan to paint directly over it. Pricing: $70 - $80 a gallon. It depends on where you purchase from. *Must use at least a 2.0 tip on your spray gun to spray out this thick type filler.Recommended for protecting bare metal, galvanized steel and aluminum, MP-550 gives medium film build to help eliminate imperfections and can be lightly sanded. Surface preparation: Remove tar and grease with Wax and grease remover of your choice before sanding. Sand surface with 180 to 220 grit dry and re-clean surface. If metal surface is ...Eastwood 2K Aerospray Polyester Primer Surfacer. $ 29.99. Add-On Item: FREE Delivery with Orders Over $ 100. Add to Cart. Eastwood OptiFlow Urethane Primer Gallon and Activator Kit - Automotive Roll-On Paint - Gray. $ 195.98. Add to Cart. Eastwood's 2K AeroSpray Epoxy Primer Gray & Black. Starting at$ 0.00.Eastwood 2K Aerospray Polyester Primer Surfacer. $ 29.99. Add-On Item: FREE Delivery with Orders Over $ 100. Add to Cart. Eastwood OptiFlow Urethane Primer Gallon and Activator Kit - Automotive Roll-On Paint - Gray. $ 195.98. Add to Cart. Eastwood's 2K AeroSpray Epoxy Primer Gray & Black. Starting at$ 0.00.Wash the auto body part with surface cleaner. Apply some metal conditioner evenly on the surface. Spray the surface with DTM primer. Spray a second coat of primer. Roughly sand the surface using P320 sandpaper. Finish by hand. If needed, apply some finishing glaze putty to fill small holes.3. Acid Etch Primer. Etch primers provide higher metal adhesion and corrosion resistance, but not as much as epoxy primers. However, since etch primer dries quicker than epoxy, it is often utilized in collision repair to increase throughput. In restoration work, epoxy primer is more often used on bare metals than etch primer. 4. Enamel Primers ... Autobody filler is (basically) made of a vinyl ester or a polyester type resin. Epoxy primer is (basically) made of an epoxy type resin. If you were to bond/glass over a metal pad to a fiberglass boat, vinyl ester or polye ... There was body filler all over the bare metal of the hood, underneath primer, followed by paint. From the accident, the ...Home » Polyester Primers. Sandy. SANDY Hi-Build Polyester Primer is designed to eliminate the multiple steps required by 2K primers to achieve a paintable surface; it primes, fills and seals and it cures in about 45 minutes at 78 degrees. It is recommended to be sprayed over bare metal, aluminum, fiberglass and even over old paint.The common area of agreement is to get that primer off of there and re-prep the surface using sandpaper, wax /grease remover, and a metal prep solution of your preference. Once thats done, decide on whether you want the etch primer, or straight epoxy over the properly prepped surface. Either way will hold up fine.The best and quality proven name brands include: 5 Star Autobody Products, Autobahn Automotive Finishes, POR15, House of Kolor, 3M, Norton, Dura-Block, Ingersoll Rand, Sharpe and many more. We are committed to providing quality auto body supply products at affordable prices to our customers. Our auto body paint supply store carries 3M Polishing ...Home » Polyester Primers. Sandy. SANDY Hi-Build Polyester Primer is designed to eliminate the multiple steps required by 2K primers to achieve a paintable surface; it primes, fills and seals and it cures in about 45 minutes at 78 degrees. It is recommended to be sprayed over bare metal, aluminum, fiberglass and even over old paint.Epoxy primers have excellent adhesion properties and will stick to bare metal, paints, primers and fillers. This means you can hit an area with epoxy primer that's been sanded down to bare metal, repaired with body filler, and then feathered into the original paint. We suggest blending these areas as well as possible before spraying epoxy primers.What to do? Spray a light coat of epoxy primer (not self etch) on any bare metal. Let it dry for about a day. Scuff it lightly. Spray your polyester primer. **The epoxy must be dry!! The polyester will delaminate and crack if the epoxy isn't dry enough. So do it right.Recommended for protecting bare metal, galvanized steel and aluminum, MP-550 gives medium film build to help eliminate imperfections and can be lightly sanded. Surface preparation: Remove tar and grease with Wax and grease remover of your choice before sanding. Sand surface with 180 to 220 grit dry and re-clean surface. If metal surface is ...Polyester Primer VP2100 VP2100 is a low VO , two component polyester primer surfacer. VP2100 is fast drying and easy to sand and may be ... For optimal performance over bare metal, apply VP2100 over VP2050 DTM High uild Primer, DPLF Epoxy Primers or DPLV 2.1 Epoxy Primers after an overnight dry and light sanding. Do not apply VP2100 over etch ...Learn about automotive primers and best uses. Get a FREE Auto Body Guide Here: http://www.learnautobodyandpaint.com/free-autobody-manual/Learn more about me ...High build primer is not a replacement for body filler. It hides small imperfections, like pinholes. High build can be used over epoxy, but you really should stick to the same brand for both (PPG, Dupont, etc). You can shoot either in your garage, and you can do it in sections. You have to be careful about ventilation, respirators, and put down ...RUST DEFENDER Hi-Build Polyester Primer is a one step system that primes, fills and seals bare metal, body filler, wood, aluminum, or fiberglass surfaces to accept any type of paint without concern about penetration of solvents or moisture. It has excellent resistance to heat, solvent attack, water, and salt. Just scratch the low spot with a little 80 grit and press the filler into the scratches on your first pass then fill it up, let it harden and block it level then reprime with more 2K then guide coat and block sand with some 400/600. Spray Painting 101 DVD Link. 04-08-2010, 02:25 PM #12. 88GT Guest.Autobody filler is (basically) made of a vinyl ester or a polyester type resin. Epoxy primer is (basically) made of an epoxy type resin. If you were to bond/glass over a metal pad to a fiberglass boat, vinyl ester or polye ... There was body filler all over the bare metal of the hood, underneath primer, followed by paint. From the accident, the ...- Perfect for a "primer/sealer" over bare metal. - Etch primers can skipped because of its excellent adhesion and corrosion properties. (although for maximum corrosion protection apply a wash etch under the epoxy) ... Polyester primer (2K) Polyester is a very specialized primer used in very small amount in most shops across the country. But ...Polyester Filler Primer or Polyester Glaze Putty Feather fill G2 is meant to spray over a lot of body filler that's cut and shaped with 60-80 grit. If you use this, I would spray over a 100 - 150 grit sanded surface. Price: $80.00 - $90.00 a gallon kit.Polyester auto primer is perfect for completing small auto body repair jobs and is excellent for spot repairs. For the best rust protection - in situations where rust was present and sanded out, or even where complete rust removal is not an option, moisture cure urethane primer will provide the best protection from further rust damage.Then I would use a sprayable polyester primer like Evercoat Feather Fill G2 or your favorite brand for the high build primer. Polyester primers do not shrink, urethane primer do. ... Around here we can do bare shells without a primer over bare metal as it doesn't rust that quickly. Some places aren't that lucky as surface rust hits right away.You CAN apply over sanded 2k primer, or bare metal. Be sure to have the area sanded with at least a 150 so the filler has some TOOTH to grab to. Click to see full answer. ... If you need more fill for low spots,just use polyester filler or polyester glaze. Polyester prime is basically thin body filler so theres nothing wrong with putting the ...Find many great new & used options and get the best deals for Evercoat Automotive Polyester Primer 730 Super Build Gray 1 Gallon at the best online prices at eBay! Free shipping for many products! Polyester primer to bare metal is pretty much a major no-no! I'd go with your DTM in the spots you blew thru, then your poly, if that's what's on the job now, and seal, prior to top coating with an epoxy. " Humpty Dumpty was pushed " pimpin paint, Jun 29, 2010 SHARE POST #16 The Hank Member from COUnlike their Featherfill products, Evercoat's info for their SuperBuild, Fiberfill, and Finishsand stated that these product have passed a 500hours salt spray test and can be applied to bare metal. To me, this would mean spray directly on metal, block sand, and either seal with epoxy, 2k for more blocking, or paint.Eastwood 2K Aerospray Polyester Primer Surfacer. $ 29.99. Add-On Item: FREE Delivery with Orders Over $ 100. Add to Cart. Eastwood OptiFlow Urethane Primer Gallon and Activator Kit - Automotive Roll-On Paint - Gray. $ 195.98. Add to Cart. Eastwood's 2K AeroSpray Epoxy Primer Gray & Black. Starting at$ 0.00.As Jeff Wright wrote in "Polyester Over Epoxy" in Epoxyworks 22: "As with many products, the surface must be prepared properly: if it is not, then poor curing and adhesion may result. ... VP2100 Polyester Primer should not be applied over bare metal, only over epoxy primer, fiberglass, or body fillers.Home » Polyester Primers. Sandy. SANDY Hi-Build Polyester Primer is designed to eliminate the multiple steps required by 2K primers to achieve a paintable surface; it primes, fills and seals and it cures in about 45 minutes at 78 degrees. It is recommended to be sprayed over bare metal, aluminum, fiberglass and even over old paint.Block until you start to see metal poking through in places. Concentrate on not letting prime build excesively on edges. If you have lows use some 2 part glaze to fill them, sand then re apply Epoxy to your bare metal areas, wait the appropriate time and apply your choice of poly or urethane again.MP176 Etch Primer, MP178 Plastics Primer, MP213 GP Sealer, MP181 1K Primer Surfacer Preparation Surface Cleaning MX190 Cleaner, MX191 Compliant Cleaner Sanding 120 - 180 grit on bare metal 180 - 240 grit on old finishes and body filler Mixing Ratio Add 1/2 oz. of primer hardener to 1quart of MP243 Polyester Primer. High build primer is not a replacement for body filler. It hides small imperfections, like pinholes. High build can be used over epoxy, but you really should stick to the same brand for both (PPG, Dupont, etc). You can shoot either in your garage, and you can do it in sections. You have to be careful about ventilation, respirators, and put down ...Metal work and bondo on bare metal 2. coat of Epoxy primer for corrosion protection 3. let flash for 10 minutes 4. 2-3 medium coats of polyester primer to cover up some low spots. using this as sprayable bondo to level out the panels even more. O OneMoreTime Hotrodders.com moderator Joined Jul 13, 2004 9,581 Posts #6 · Sep 9, 2010Find many great new & used options and get the best deals for Evercoat Automotive Polyester Primer 730 Super Build Gray 1 Gallon at the best online prices at eBay! Free shipping for many products! You CAN apply over sanded 2k primer, or bare metal. Be sure to have the area sanded with at least a 150 so the filler has some TOOTH to grab to. Click to see full answer. ... After applying the poly prime, block it. If you need more fill for low spots,just use polyester filler or polyester glaze. Polyester prime is basically thin body filler so ...MP176 Etch Primer, MP178 Plastics Primer, MP213 GP Sealer, MP181 1K Primer Surfacer Preparation Surface Cleaning MX190 Cleaner, MX191 Compliant Cleaner Sanding 120 - 180 grit on bare metal 180 - 240 grit on old finishes and body filler Mixing Ratio Add 1/2 oz. of primer hardener to 1quart of MP243 Polyester Primer. again if you want to use polyester over bare metal get some claussen all-u-need that stuff is made to go over bare metal. 10-10-2009, 05:35 PM #19. kevininohio. ... I had a trunk i was doing once that i sprayed with polyester primer first over metal and i had a few high spots. When i went to block sand it, the edges where the primer ...Home » Polyester Primers. Sandy. SANDY Hi-Build Polyester Primer is designed to eliminate the multiple steps required by 2K primers to achieve a paintable surface; it primes, fills and seals and it cures in about 45 minutes at 78 degrees. It is recommended to be sprayed over bare metal, aluminum, fiberglass and even over old paint.Protec Epoxy Primer is a 2 pack adhesion promoting epoxy primer designed for use over bare metal surfaces and under spray polyester and hand applied body fillers to protect against corrosion. When used as recommended with its dedicated hardener, AH-4120 Protec Epoxy Primer Hardener , it provides excellent adhesion to steel, aluminum, fibreglass ...The problem lies when guys put filler over bare metal and then let it sit exposed for long periods of time without priming over it. The filler absorbs moisture and corrodes the metal. If you are priming right after you apply the filler no problem over bare metal if the car is going to sit with just filler on it prime under it. K13, Aug 16, 2012For optimal performance over bare metal, apply VP2100 over VP2050 DTM High Build Primer, DPLF Epoxy Primers or DPLV 2.1 Epoxy Primers after an overnight dry and a light sanding. Note: Do not apply VP2100 over etch or wash primers.Compatible Topcoats• DELTRON® Sealers and Surfacers• GLOBAL REFINISH SYSTEM® Sealers and Surfacers.•RUST DEFENDER Hi-Build Polyester Primer is a one step system that primes, fills and seals bare metal, body filler, wood, aluminum, or fiberglass surfaces to accept any type of paint without concern about penetration of solvents or moisture. It has excellent resistance to heat, solvent attack, water, and salt. Evercoat 713 Feather Fill G2 - Polyester Primer is a high-build, high-solids Premium Polyester Gray Primer Surfacer that is compliant with California and National Rule VOC regulations. It has been specifically developed to work with 1K and 2K etch primers, while offering exceptional flow and leveling.again if you want to use polyester over bare metal get some claussen all-u-need that stuff is made to go over bare metal. 10-10-2009, 05:35 PM #19. kevininohio. ... I had a trunk i was doing once that i sprayed with polyester primer first over metal and i had a few high spots. When i went to block sand it, the edges where the primer ...etch primer or acid washes are 70's technology and have no place in todays refinishing industry , with the exception of aluminum or galv . epoxy has been proven time and time again to have better adhesion and corrosion resistance than polyester. it also has less shrinkage and swelling .MP176 Etch Primer, MP178 Plastics Primer, MP213 GP Sealer, MP181 1K Primer Surfacer Preparation Surface Cleaning MX190 Cleaner, MX191 Compliant Cleaner Sanding 120 - 180 grit on bare metal 180 - 240 grit on old finishes and body filler Mixing Ratio Add 1/2 oz. of primer hardener to 1quart of MP243 Polyester Primer. The common area of agreement is to get that primer off of there and re-prep the surface using sandpaper, wax /grease remover, and a metal prep solution of your preference. Once thats done, decide on whether you want the etch primer, or straight epoxy over the properly prepped surface. Either way will hold up fine.About Eastwood 2K Urethane Primer Gray- Gallon 4:1 . $95.30 $ 95. If there are areas with bare metal showing, apply a coat or two of Eastwood's Epoxy Primer. Join VIP And be part of the #BossPainter community!Talk soon! Bare metal or just shoot a 2k sealer. Advantages.As Jeff Wright wrote in "Polyester Over Epoxy" in Epoxyworks 22: "As with many products, the surface must be prepared properly: if it is not, then poor curing and adhesion may result. ... VP2100 Polyester Primer should not be applied over bare metal, only over epoxy primer, fiberglass, or body fillers.Unlike their Featherfill products, Evercoat's info for their SuperBuild, Fiberfill, and Finishsand stated that these product have passed a 500hours salt spray test and can be applied to bare metal. To me, this would mean spray directly on metal, block sand, and either seal with epoxy, 2k for more blocking, or paint.Polyester primer is a very thick two-part product and is used when there's a good deal of bodywork. Poly primer is great for using over bare fiberglass and epoxy. It's a high-solids product and has minimal shrinkage. It sands easily and is perfect for getting those wavy panels straight. Think of it as a sprayable body filler.Make sure this fits by entering your model number. Size: 1 Gallon. it primes, fills and seals and it cures in about 45 minutes at 78 degrees. It is recommended to be sprayed over bare metal, aluminum, fiberglass and even over old paint. It fills, levels, conditions and seals becoming a tough barrier quickly eliminating bleed-through.Epoxy primers have excellent adhesion properties and will stick to bare metal, paints, primers and fillers. This means you can hit an area with epoxy primer that's been sanded down to bare metal, repaired with body filler, and then feathered into the original paint. We suggest blending these areas as well as possible before spraying epoxy primers.What to do? Spray a light coat of epoxy primer (not self etch) on any bare metal. Let it dry for about a day. Scuff it lightly. Spray your polyester primer. **The epoxy must be dry!! The polyester will delaminate and crack if the epoxy isn't dry enough. So do it right.Sep 12, 2010 · Polyester primer is basically thinned out body filler, and body filler if properly applied over bare metal has worked for years I'm glad you read my website, and posted that I washed the body down with lacquer thinner. PPG DP90 sealer over bare metal then all filler and rough sanding, then PPG K36 primer, more sanding, polyester filler for minor surface imperfections then maybe a second coat of K36, final sand, then DP 90 again and apply paint. Be careful to pay close attention to the "open" times on the various products.MP220 Chrome Free Etch Primer Primary use: bare metal adhesion and corrosion protection. MP220 is a chromate-free, two-component acid etch primer that provides excellent adhesion and corrosion resistance to properly prepared bare metals. Etch primer is applied prior to primer surfacer or urethane primer sealer. Primer Surfacer. MP243 Polyester ...Polyester primer to bare metal is pretty much a major no-no! I'd go with your DTM in the spots you blew thru, then your poly, if that's what's on the job now, and seal, prior to top coating with an epoxy. " Humpty Dumpty was pushed " pimpin paint, Jun 29, 2010 SHARE POST #16 The Hank Member from CO518. the poly primer is basicly sprayable body filler (bondo as most know it) u can go over properly sanded bare metal but not over etch prime , what you should of done was either use a epoxy primer and then the poly or just the poly, as said above now you have to put a 2k primer or epoxy over the etch prime, also keep in mind that you CANNOT ...etch primer or acid washes are 70's technology and have no place in todays refinishing industry , with the exception of aluminum or galv . epoxy has been proven time and time again to have better adhesion and corrosion resistance than polyester. it also has less shrinkage and swelling .What to do? Spray a light coat of epoxy primer (not self etch) on any bare metal. Let it dry for about a day. Scuff it lightly. Spray your polyester primer. **The epoxy must be dry!! The polyester will delaminate and crack if the epoxy isn't dry enough. So do it right. Evercoat 713 Feather Fill G2 - Polyester Primer is a high-build, high-solids Premium Polyester Gray Primer Surfacer that is compliant with California and National Rule VOC regulations. It has been specifically developed to work with 1K and 2K etch primers, while offering exceptional flow and leveling.1980 Porsche 930. best primer over Evercoat Feather fill / MAJOR PROBLEM. so, I took the car down to bare metal, sprayed the car with two coats of self etch primer from East wood, followed by two coats of Evercoat Feather fill G2. Blocked out car with 80 grit, Filled spots with filler. Sprayed three more coats of Evercoat Feather fill G2.Metal work and bondo on bare metal 2. coat of Epoxy primer for corrosion protection 3. let flash for 10 minutes 4. 2-3 medium coats of polyester primer to cover up some low spots. using this as sprayable bondo to level out the panels even more. O OneMoreTime Hotrodders.com moderator Joined Jul 13, 2004 9,581 Posts #6 · Sep 9, 2010The UCS's epoxy primer provides excellent adhesion and fill, as well as great corrosion resistance. It also dries quickly as a hardshell on any surface material, be it metal or fiberglass. It covers around 4 to 6 square feet of surface, but if you want a really smooth end result, it's wise to apply a couple of coats.There are basically 2 types of primers for bare metal-epoxy and self etching. Most "old school" body guys used self etching and some still do. There is realy nothing wrong with it but most now use epoxy. Self etching primer also has a tendancy to lift some other types of paints that may already be on the surface so it's hard to spot prime with.Sep 12, 2010 · Polyester primer is basically thinned out body filler, and body filler if properly applied over bare metal has worked for years I'm glad you read my website, and posted that I washed the body down with lacquer thinner. 3. Acid Etch Primer. Etch primers provide higher metal adhesion and corrosion resistance, but not as much as epoxy primers. However, since etch primer dries quicker than epoxy, it is often utilized in collision repair to increase throughput. In restoration work, epoxy primer is more often used on bare metals than etch primer. 4. Enamel Primers ... Recommended for protecting bare metal, galvanized steel and aluminum, MP-550 gives medium film build to help eliminate imperfections and can be lightly sanded. Surface preparation: Remove tar and grease with Wax and grease remover of your choice before sanding. Sand surface with 180 to 220 grit dry and re-clean surface. If metal surface is ...1980 Porsche 930. best primer over Evercoat Feather fill / MAJOR PROBLEM. so, I took the car down to bare metal, sprayed the car with two coats of self etch primer from East wood, followed by two coats of Evercoat Feather fill G2. Blocked out car with 80 grit, Filled spots with filler. Sprayed three more coats of Evercoat Feather fill G2.Polyester primer is a very thick two-part product and is used when there's a good deal of bodywork. Poly primer is great for using over bare fiberglass and epoxy. It's a high-solids product and has minimal shrinkage. It sands easily and is perfect for getting those wavy panels straight. Think of it as a sprayable body filler.Polyester Filler Primer or Polyester Glaze Putty Feather fill G2 is meant to spray over a lot of body filler that's cut and shaped with 60-80 grit. If you use this, I would spray over a 100 - 150 grit sanded surface. 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