The main deck is protected with a high-grade, combined composite coating system that starts with a zinc primer, followed by an epoxy coating with aluminum pigment as the second coat, and then a topcoat of polyurethane (PUR) coating. Zinc primer is used for adhesion purposes, enabling the coating system to adhere to the metal surface.One product that is overlooked in most paint projects is epoxy primer. Fred, with a little bit of sarcasm, talks about why you should use it and shows you ho...Stix Primer is an acrylic urethane bonding primer (water-based bonding primer). This means that it is a primer specifically made to bond to surfaces that are traditionally hard to bond to, such as PVC, vinyl, plastic, glass, tile, glazed block, gloss paints, pre-coated siding, fiberglass, and galvanized metals.Urethane primer works wonders when used on a sealer such as epoxy primer. It fills in the dents that cause imperfections in the final finish. At the same time, when sanded down, it creates an excellent surface for paint adhesion. Urethane primer is more common among detailers who are heavily invested in aesthetics.Epoxy primer showcases its strength in versatility, while urethane primer offers simplicity. An epoxy primer is a corrosion fighter, providing good adhesion to most substrates. On the other hand, a urethane primer is made from compatible chemistry to urethane systems and typically cures through moisture.The SMR-260 is 2.1 lbs/gallon voc and compliant everywhere. The SMR-260 is a fast dry, easy sanding 2K epoxy primer with great color and gloss holdout. SURFACE PREPARATIONS. Clean surface with a Wax and Grease Remover. Sand metals or old paint with 180-220 grit and re-clean. SPRAY GUN SETUP. HVLP Gun: Fluid Tip 1.3-1.6 mm, Spray Pressure 8-10 psi.Application: Apply 1 to 2 coats, wait 30 minutes and then apply MP2K Urethane Primer. Order MP-550 with MA-505 Activator Now! 2. Question: What is the difference between Lacquer Primer and Urethane Primer? Urethane primer is about 50 times better. Many shops have not realized that lacquer primer is the most expensive primer to use in the market.UP232 Epoxy Primer or other suitable DTM primer. If applying SUM-UP220 2K Urethane Primer Surfacer more than four days after application of SUM-UP230 or SUM-UP232 epoxy primer, be sure to abrade surface prior to application of 2K Urethane Primer Surfacer. Summit Racing Equipment PO Box: 909, Akron, OH 44309-0909 Toll free: 1-800-230-3030Anywhere from 1.8 is a good size to 2.0. However, you could use a 1.3 or 1.4 tip size for high-build primer paint if you reduce your primer, maybe add 10% more reducer than normal, and thin it out. You're going to give it a couple of extra coats, but it will work. And that's something I taught early on in the VIP course back in 2010, it's ...Oct 31, 2018. #1. A few weeks ago i sprayed spi epoxy over bare metal and went outside the 7 day window. I had some body filler work to do, so I spot sanded just areas that needed body filler with 180 grit and I sanded thru to bare metal in several spots while blocking these areas. After this, I reapplied a coat or two of epoxy to cover bare ...First off is the difference between 1k and 2k primers. The "k" in primer stands for component, but in Europe it is spelled with a "k" (ie Komponent) So a 1k primer means only one component so just the primer is needed to spray on a panel. 2k primer means 2 different components so the primer and a activator is needed before spraying …Primers Explained: 2k Urethane Primer, Epoxy Primer and Polyester Filler Primer Uses . Should YOU Apply Body Filler Directly Over Metal or Epoxy Primer? The …jay72chevy wrote:I have a 2k primer filler/ sealer its a 3 part. You can mix it 1 of 3 ways. 4:1 with activator, 4:1:1 as a regular build primer, 4:1:2 as a sealer. My question is what is the difference in regular reducer and urethane reducer? Is urethane stronger reducer? I think if i use a urethane reducer that might eat my epoxy primer??Old Fool. 1491 posts · Joined 2008. #7 · Feb 25, 2012. 1putt said: Hmmm may need to look into that one instead. The PPG DP50LF was $90/qt with the cat-thought that was a little high. 67Elcamino said: I do notice a huge Gap in Epoxy primers.. from close to $100 a quart to $40 a quart.Epoxy primer. Don't even use "weld-through" which is cheap paint to carry a 80-90% zinc mixture to the surface. If you're worried about the "inside" or back side of the welds, after you've done your welding if you have to, drill a small hole and shove a spray wand in it and shoot a bunch of epoxy primer, moisture-cured urethane, cavity wax, etc., as a rust preventive.The epoxy primer takes 16hrs at 25degrees to set. It is a time issue for me. A good day in the shed and in few hours I can do one coat of epoxy, wait 45mins, then the second coat of epoxy, then wait 45mins then hopefully lay down some high build primer? I would hate to do that and then it start to peel up etc.Ultimately the plan was to lay down a sealer primer, then a high-build primer, then finally paint. Until recently I was dead set on using alkyd enamel for my top coat, but lately people have been bending my ear about single stage urethanes. The health issues associated with SS urethane frighten me and make me want to go with 'some kind' of enamel.There was some minor rust to be repaired and I then used an epoxy primer for protection followed by a 2K urethane primer and then the acrylic topcoats to provide a 'period correct' finish that matched the rest of the car. I often use 1K primer as a sealer/surfacer for small repairs or where there is still a cover over the metal.Otherwise, they are nearly useless within the process. 4) There is no reason to use a Urethane Primer Surfacer (Filler) unless block sanding/ leveling is required. Generally Urethane primer/surfacers posses no special adhesive qualities, and require sanding before being re-coated. 58Fridge100, Oct 24, 2008.Jan 13, 2019. #6. Some primers are DTM "direct to metal" and some are not. This goes for epoxy, urethane, and etch. Just make sure your PPG epoxy says DTM on the can. Also a big mistake on DTM primers is people dont sand the new patch panels before the primer, they think only the painted areas need sanded. Run your DA sander over every surface ...Some projects get 4 coats over 2 coats of epoxy and the blocking starts with 80 grit! then guidecoat and 120, then guidecoat and 180 or 220. Then finished off with a urethane surfacer or epoxy primer to a final sand of 400 or 600 depending on color. Years ago I refused to use polyester primers- back when I was stupid.We would like to show you a description here but the site won't allow us.There was some minor rust to be repaired and I then used an epoxy primer for protection followed by a 2K urethane primer and then the acrylic topcoats to provide a 'period correct' finish that matched the rest of the car. I often use 1K primer as a sealer/surfacer for small repairs or where there is still a cover over the metal.High solids, modified epoxy-urethane primer suitable for applications that require VOC levels under 100g/L. SEE PRODUCT Ureprime Primer Surfacer - (158JB) Fast drying, modified epoxy-urethane primer-surfacer that meets VOC regulations requiring less than 2.8 lbs/gallon. SEE PRODUCT Home. Products. Primers. ...Tremco® Epoxy Primer is a two-component (1:1) primer used as a compatible tie-in to create connectivity between TREMproof® below-grade waterproofing membranes, Vulkem® urethane coatings and ExoAir® air barrier membranes. ... TREMprime™ Multi-Surface Urethane Primer is a two-component, quick-drying, epoxy-based, VOC-compliant primer ...BEST OVERALL: KILZ Adhesion Primer, Interior/Exterior. BEST BANG FOR THE BUCK: Zinsser Bulls-Eye 1-2-3 Acrylic Primer and Sealer. BEST BONDING: INSL-X SXA11009A-04 Stix Acrylic Waterborne Bonding ...The epoxy coating will chalk and fade when exposed to UV light. Urethane paints are thinner than epoxy paints, but are generally more resistant to chemicals, abrasion and impact and perform as a more durable coating. Urethane paint is also UV resistant and can be used as an exterior topcoat. Urethane paint cannot be used for immersion service.Since urethane is only a primer surfacer, you'll also need to apply a sealer before you paint. Again, a coat of epoxy primer over the top will serve the purpose. Filler primer paints are basically formulated to fill in any pits in the surface from sanding or rust even quicker than an epoxy primer alone. Some restorers believe filler primer is ...Then simply respray the areas you worked on to re-seal them. Although it takes longer to cure than self-etch primer, restoration shops tend to favor epoxy primers because of they often handle more extensive body repair projects. An example of the application order on bare metal is: 1) paint prep solvent 2) epoxy primer 3) bodywork including ...Jan 13, 2019. #6. Some primers are DTM "direct to metal" and some are not. This goes for epoxy, urethane, and etch. Just make sure your PPG epoxy says DTM on the can. Also a big mistake on DTM primers is people dont sand the new patch panels before the primer, they think only the painted areas need sanded. Run your DA sander over every surface ...which is the right automotive primer when painting your car? I'll share my thoughts on two types of primers, how I use them and how to mix, apply and sand y...The epoxy primer takes 16hrs at 25degrees to set. It is a time issue for me. A good day in the shed and in few hours I can do one coat of epoxy, wait 45mins, then the second coat of epoxy, then wait 45mins then hopefully lay down some high build primer? I would hate to do that and then it start to peel up etc.04-15-2004 21:09:03. Report to Moderator. Re: Etching primer vs epoxy primer in reply to Tyson, 04-14-2004 20:29:45. Hi Tyson, Some prefer etch and some prefer epoxy. DuPont has historically pushed the etch primer and PPG has historically pushed the epoxy. I much prefer the epoxy for reasons previously posted.On the other hand, most Etch Primers need another coat of Filler/High building / Epoxy/Urethane Primer over it to fully seal everything up long term. The Urethane primer also acts as a barrier between the Self-etching primer and topcoat paint. Self-etching primers can be painted over in some cases but you’ll need to closely follow the ...The Nason 491-10 epoxy primer needs 60 min. before a 2nd coat and has up to 48 hours for a topcoat without sanding. I assume "topcoat" in that case means the urethane 2K primer also? The Nason 421-10 urethane primer will then go over that and needs to flash 8-10 min. between coats and max. flash of 2 hours without sanding.Primer MIL-DTL-53022E Type II, III, IV Epoxy Primer 3.5 VOC and 2.5 VOC A two-component, epoxy polyamide, corrosion inhibiting primer suited for high performance application. Lead and chromate free. TWO COMPONENT Comp A Pigmented Epoxy Comp B Polyamine MIXING RECOMMENDATIONS Mix Ratio 4:1 Potential Additive None AIR SPRAYThe show is a primer on the joy of losing yourself in the present. The Great British Bake Off returned to American televisions on Friday, June 16, ushering in another season of sho...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/Sealers. Enamel primers are inexpensive and give adequate sealing/corrosion protection, although they are prone to lifting ...Feb 29, 2012 · A coat of epoxy primer should be applied first THEN you can shoot 2K urethane primer over the epoxy primer. Final sanding of the 2K primer just prior to applying the topocat paints should be done with 600 grit sandpaper. If the topcoat paint is a NON metallic then you can get by with 400 grit.FAQs: Deciding Between Epoxy Primer and Urethane Primer. 1. What is the primary difference between epoxy primer and urethane primer? 2. Which primer is …Epoxy Primer Vs. Urethane Primer. General Discussion. Make yourself at home...read, ask and answer! 12 posts • Page 1 of 2 • 1, 2. dropdtop. dropdtop's Profile; E-mail dropdtop; Fully Engaged. Posts: 109 Joined: Fri Aug 12, 2005 7:39 pmWe would like to show you a description here but the site won’t allow us.13K views 12 replies 9 participants last post by oldred Oct 16, 2008. C. chadroc Discussion starter. 3 posts · Joined 2008. #1 · Oct 12, 2008 (Edited) Messed up. Mixed my epoxy Primer and catalyst 50/50. I was trying to figure out why the primer wasnt drying. Then realized I mixed it 1:1 instead of 2:1.As part of BETASEAL™ glass bonding systems, BETAPRIME™ glass and body primers promote adhesion to vehicle bodies and inhibit rust in small nicks and scratches. They also simplify glass installation for structural bonding and sealing. BETAPRIME™ primers come in a variety of formulations with optimum benefits for specific applications, meet ...Conclusion. Etch primer is an important step in painting, but it is not always necessary. It depends on the surface you are painting and the paint you are using. Before painting bare metal, it is always recommended to apply an etch primer to the surface. This will assist in preventing corrosion and other damage to the metal and give the ideal ...In this video I go over quite a few different scenarios where you would need a primer, I also explain the differences to help you choose the best one for you...HT-7320, HT-7325 are quality two component acrylic urethane primer surfacers formulated as a high build sanding primer surfacer, or a non sanding urethane sealer. HT-7320, HT-7325 2K urethane primers exhibit excellent fill, fast dry, sand easily, and provide excellent color holdout because they do not shrink. (4:1 mix) 4.8 lbs/gal V.O.C. as primer, 5.8 …Sanding with 80 grit would be better IMO, offering more of a "tooth" for the epoxy primer to grab. I would clean the surface several times with a prep solvent designed for paint work, like PPG's DX330. ... For me any bodyfiller or primers get finished with 320 before applying epoxy or urethane primer. 180 grit is fine before applying polyester ...The forums of P15-D24.Com, Mopar cars and trucks from mid 1930s to late 1950s. P15-D24 Forum. 1K or 2K Enamel Over Rustoleum Auto Primer. I sprayed window moldings with Spray Max primer/filler, and a few metal spots came through in the sanding, so I'm spot painting them with the Rustoleum Automotive Gray primer.Filler primers are basically formulated to fill in any pits in the surface from sanding or rust even quicker than an epoxy primer alone. Some restorers believe filler primer is little more than liquid body filler. In most cases, the filler primer or high-build primer is also a urethane product. You can generally add as many coats of filler ...The manufacturer determines the precise limit. Urethane primers cure more quickly than epoxy primers and have a lower application temperature minimum. Another difference is that urethane primers have a much thinner consistency than epoxy primers. This means urethane primer will be easier to apply to the substrate than thicker epoxy primers.Epoxy flooring is a great way to make your home or business look more attractive and professional. It is also a durable and cost-effective flooring option that can last for many ye...Assuming the metal panel is straight, most epoxy primers allow you to apply color over the epoxy without the need for 2K primer or 2K sealer. If the primer doesn’t say DTM it will not adhere at all, don’t make that mistake. Bare metal should ALWAYS be epoxy primed or sealed, or primed with a DTM primer.jay72chevy wrote:I have a 2k primer filler/ sealer its a 3 part. You can mix it 1 of 3 ways. 4:1 with activator, 4:1:1 as a regular build primer, 4:1:2 as a sealer. My question is what is the difference in regular reducer and urethane reducer? Is urethane stronger reducer? I think if i use a urethane reducer that might eat my epoxy primer??Concept 136 Epoxy Primer (Urethane) is a high solid, high build 2K epoxy urethane primer that combines the benefits of epoxy coatings toughness and hardness with urethane flexibility and durability. Can be used as a wet on wet process (WOW). This product can be tinted up to 5% with the Unicote 300 system, tint first then harden.2k is slang term for a catalyzed product. 2 components = 2k. Generally speaking however, 2k is most often used to refer to Urethane based primer. Urethane has been seen to be better and have less shrinkage than solvent based primers like laquer. Epoxy primer is indeed epoxy based primer.C1 & C2 Corvettes - Correct Sealer Primer - Urethane vs Epoxy (for C1 restoration)? - Hi there. I'm currently in the paint phase for my C1 (59) body / components. I've applied filler primer for the 2nd time and am wet sanding in preparation for the sealer primer phase. I plan to purchase the Acrylic Lacquer (PPG) from...The corrosion product is a powdery zinc oxide that exposes the remaining zinc coating for further oxidation, providing protection continuity. Therefore, zinc-based primers provide sacrificial cathodic protection for the steel substrate. Reduced zinc epoxy primers have around 55% zinc by weight in the cured primer film, whereas zinc-rich epoxy primers have around 80 to 85% zinc by weight.