Acrylic polyurethane clear

AAE

AAE

Learner
What is acrylic polyurethane clear coat? I look it up and all I see is stuff for wood.
 
its like you see, a product made for wood, one part deal which means its more like an acrylic enamel like rustoleum so it will dry.
 
as far as i know there is a certain % of acrylic in almost all automotive clears. its just how the mfg want to classify or what they want to call the clear. its just like polyester base. some call it just a polyester base and some call it a urethane base even though there may be polyester in both formulas.
 
jcclark said:
I thought Universal Clear was a acrylic polyurethane, one of the few out there.
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speedkote claims to be acrylic too. You can get a gallon kit on amazon for 60 bucks. I dont know if they put more or less in the kits that are 10.00 or 20.00 more. When they say you can buff in 2-4 hours, it usually means you better buff in 2-4 hours because its gonna get so hard you cant anymore.
 
anotheridiot said:
When they say you can buff in 2-4 hours, it usually means you better buff in 2-4 hours because its gonna get so hard you cant anymore.
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That sounds good to me. Most clears are to soft, I want one that gets rock hard
soon so it doesn't imprint when i put stuff back together or turn a panel over to
paint the other side.
 
MikeS said:
I had bookmarked this interesting link explaining paint types and it does mention acrylics.
https://www.thecoatingstore.com/difference-urethane-polyurethane-car-paints/

Mike
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Most of you know I am more industrial and military than automotive, but the highest grades for marine paints are acrylics. Powder coats are also getting to the acrylic polyurethane spectrum as well, mainly because they could not get flat enough for CARC specifications with a polyurethane and straight urethane is flatter but does not have much protection.

jcclark said:
That sounds good to me. Most clears are to soft, I want one that gets rock hard
soon so it doesn't imprint when i put stuff back together or turn a panel over to
paint the other side.
Click to expand...

The show car finish world wants to be able to buff out the clear before you go to an event. I am in the place where I want to clear a car, shut down the booth, lock the door and leave til the next day. Too hard too fast makes next day buffing next to impossible. I have that speedclear here for the touchup job, not impressed. The Nason fast clear watery stuff is better.
 
I seem to remember the Universal clear is one of the few to pass the
aviation std tests for airplanes, that's because it's a true polyurethane, unlike the other brands
that are straight urethanes, they won't pass that test.
 
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