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26 posts · Joined 2004. #1 · Sep 8, 2004. I seem to be seeing alot of cases where people using acid etch primer over bare metal get bubbles in their paint after a while. I plan on trying the SPI epoxy primer everyone is so hot on for the remainder of my project, But on some areas of the car i've used acid etch primer.Description. Axalta VS3000 is a 5.4 lb/gal (647 g/l) VOC compliant, non-sanding, chrome free etch primer that provides exceptional adhesion and corrosion resistance over bare metal. It is designed to eliminate the need to chemically pretreat metal surfaces before priming.Meaning, body shops quickly repairing daily drivers. I shot self etching primer on the trunk pan before shooting Southern Polyeurethanes epoxy primer (which is a very good primer) which caused the epoxy primer to lift. It did not adhere so i wont use it again. Epoxy primer is a DTM product, meaning Direct to Metal, that is clean not rusty.This primer selection chart is specifically for MAPEI self-leveling underlayments. For questions regarding primer selection for MAPEI self-leveling toppings such as Ultratop®, please contact MAPEI's Technical Services Department. ECO Prim Grip ™ Multipurpose, bond-promoting primer Primer E High-performance 100%-solids epoxy primer Primer L™Nov 29, 2021 · Self-etching primer formula contains more additives and phosphoric acid that etches the bare metal surfaces and enhances paint adhesion. Dry Time. Regular primer dries faster than self-etching primer as it has fewer additives. Regular primer takes around 1-2 hours to dry enough before painting while self-etching primer takes around 3-5 hours.SEM39671. Self Etching Primer provides excellent adhesion and corrosion resistance to properly prepped steel, aluminum and stainless steel. Excellent adhesion to steel, aluminum and stainless steel. Quick drying. 3 colors available - black, gray and green. Packaged in gallons, quarts and aerosols. Bulk produPaint Related Material VOC compliant.Self Etching Spray Primer; Black; 15.5 Ounce; Self Etching Primer first-step coating that provides excellent adhesion to bare substrates. ... (TM) Adhesives, Ez Coat(TM) OEM Primers, Factory Pack(TM) Automotive Basecoat, World Class(TM) Primers and Clears, Color Coat(TM) and Sure-Coat(TM) Interior Coatings, Pro-Tex(TM) and Rock-It(TM) Truckbed ...It is a self etching primer that has enough sealing capability that it won't rust even without a top coat. Most plain red oxide primers will absorb moisture if not top coated with a color coat. Huge difference between DP 40 and a plain red oxide primer. Not even in the same league. Lew Ladwig.Most self-etching primers take roughly 30 minutes to dry- this is a short turnaround time when it comes to paint drying. Once your project is primed and ready to go, you can continue with your color of choice. Get the job done quickly when you go with self-etching primers. Durable . Self-etching primer is well known for its convenient durability.Meaning, body shops quickly repairing daily drivers. I shot self etching primer on the trunk pan before shooting Southern Polyeurethanes epoxy primer (which is a very good primer) which caused the epoxy primer to lift. It did not adhere so i wont use it again. Epoxy primer is a DTM product, meaning Direct to Metal, that is clean not rusty.All-purpose direct-to-metal and inter-coat self-etching primer. Promotes adhesion to almost anything. Bonds to fully cured RustSeal. Ready to topcoat in 1 hour. Withstand temperatures of up to 250F. Direct to metal. Substrates: Bare steel, aluminum, galvanized, copper, bronze, GRP, SMC, fiberglass, polyester filler, OEM surfaces.We would like to show you a description here but the site won't allow us.Eastwood, SEM, POR15 are all 1k products. The trick to Acid etch primer is the acid! So in a 1k formula there is zero acid as acid would eat through the container! Epoxy Primer is another great DTM product. Epoxy primers is what it sounds like. This is basically a primer that is designed to be like an epoxy glue.Brush and roller application are suitable for small areas only; the primer should be sprayed to ensure a thin and even film build. IN SUMMARY Etch primers are convenient for the priming of all types of metal that require a very quick turn-around time. They only require a very thin coat in order to etch the metal surface and create a tenacious bond.Self-etching primers are the only primers that have acid in their formula. They may work well on metals and fiberglass, but the acid will definitely have some adverse effects on organic surfaces like wood. On the other hand, manufacturers make epoxies and other primers by dissolving a synthetic resin in a solvent.Etch primer is a primer that contains an acid-etching component to chemically adhere the primer to the metal, the acid kinda of bites into the metal. That being said it still needs mechanical adhesion to properly stick (like sand scratches of appropriate grit sandpaper). Epoxy primer is a primer containing an epoxy resin, once cured this epoxy ...Product Description. PR30BZP is a two pack chromated etch primer, suitable for use as a pretreatment primer coat. PR30BZP promotes excellent adhesion between epoxy and polyurethane primers and a variety of light alloys and steel. Alternative pretreatment to chemical conversion coatings. Good corrosion resistance.PPG Paint. I have used a system from PPG Paints on my bare, (non rusty), metal. The metal etch is a two part system. The metal etch is mixed, sprayed on and allowed to flash for about 30 minutes. The next stage is a two part epoxy "sealer" primer, that needs to be mixed, allowed to set up for 30 minutes, then sprayed over the fresh metal etch ...Valspar's epoxy is NOT compatiable with etch primer. Valspar makes a good epoxy much better then PPG's DPLF epoxy, use VP50. I just dont care for epoxy on bare metal especially DPLF epoxy. Not saying its a crap product I just dont like it on bare metal. Parts of my last 70 chevelle were done with etch,epoxy then filler. Where others were done ...The job of self etch primer is to make a good surface for putting the next layer of paint on to the metal. If the metal is already a good surface for a direct to metal paint then you do not need (and do not want) an etching primer. The etch primer has been improperly thought of as a way to prevent corrosion.167 70 Spray SELF-ETCHING PRIMER UPC: 0 82095 167707 7 Case: 6/7# Package lled by weight, settling will occur during shipment and with handling. Gray 167 70, 71 & 74 Self-Etching Primer Rust Resistant & Multi-Surface Primer PROPER SURFACE PREPARATION is the most important variable in determining the service life of aFrom 1099s to bank statements, here is how you can show proof of income for self employed people that show just how much you are making. Cash is great, right? For self-employed ind...Regular primer is a high-build primer; therefore, it’s good at filling up and sealing porous surfaces on substrates. Self-etching primer is a low-build primer designed to corrode/scour surfaces rather than fill pores and cracks. The regular primer is better at sealing than a self-etching primer from the above.

I was planning on using PPG MP 170 Epoxy, but after doing some reading on the net, it sounds like a self etching primer would be the course. The article stated that on older restorations, it is better use a self etching primer for metal with surface rust. ... Epoxy vs Etching Primers Over Metals I have tired both methods of primers Epoxy and ...00:00 - What happens if you paint over self-etching primer?00:40 - Is self-etching primer the same as epoxy primer?01:13 - Does self-etching need primer?01:4...The metal prep will take care of that and etch the surface, ready for epoxy. Do not use a metal prep AND a self etching primer though. One or the other. Save Share. ... Research of information from various professional sources concludes NOT to use metal prep on bare steel underneath epoxy primers. Apparently the epoxy paint and phosphoric acid ...Self Etching Primer/Filler. An acid-based, etching primer designed to optimize adhesion to bare metal substrates and provide a corrosion resistant barrier between substrate and coatings. It is ideal for use on properly cleaned and sanded steel, galvanized and aluminum, as well as oher metals. It mixes 1:1 with RS-787 catalyst and is National ...Get both, start with the self etching, and then top coat as many times as needed with the sandable. The etching primer has a kinda acid based thinner that allows the primer to bite into bare metal better. Most body shops if starting with bare metal, will put a coat of etching primer down first before the sanding primer.

Self Etching Spray Primer; Black; 15.5 Ounce; Self Etching Primer first-step coating that provides excellent adhesion to bare substrates. ... (TM) Adhesives, Ez Coat(TM) OEM Primers, Factory Pack(TM) Automotive Basecoat, World Class(TM) Primers and Clears, Color Coat(TM) and Sure-Coat(TM) Interior Coatings, Pro-Tex(TM) and Rock-It(TM) Truckbed ...A durable, zinc enhanced coating that protects all metal surfaces. Electrochemical galvanic action keeps on protecting even if scratched. Dry film is 86-Percent pigment which results in less smoke and electrode wear when welding, and cuts faster than 100-Percent zinc rich coatings. Stops rust creepage.The under side is just epoxy primer. I'm planning on painting it with a eggshell finish single stage acrylic urethane. I was curious which option would be best: scuff the epoxy primer and apply bed liner, put 2k primer on and scuff that then apply, or go ahead and paint the whole thing and scuff the paint and apply the raptor to to the paint.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Transtar Finish-Tec 1 Quart Olive Green Sel. Possible cause: Primer: This is simply a category like saying base coat, all of the bel.