Did I screw up? Need advice on a Sunday.

sbronco68

New Member
Hello,
Home hobby guy, only paint a project every few years.
Been a few years since I last painted and I think I screwed up.
Painting fiberglass airplane cowling, Shot yesterday right at 65deg with epoxy primer mixed 1:1. Forgot temp and let shop get down to 58deg over night. Wet sanding now 18hr latter and just a little bit of clogging in the 400grit paper. Do I need to sand all this primer off and re-shot and keep above 65deg?

Second question is if this prime is ok how long do I need to wait to shot Aero-Thane a fabric airplane specific paint. I see a 48hr warning about polyester primer and think maybe Aero-Thane is polyester? Below is the book description on Aero-Thane.

Any advice on what I can or cant continue today on Sunday would be much apricated.

Shawn
928-533-9201



Aero-Thane and Ranthane are the most durable paints you can use on metal or fiberglass. Because they are two-part crosslinked paints, they stick forever to primed aluminum and fiberglass. They’re also excellent for primed 4130 steel tubing before covering. They will last longer than enamel, are chemically resistant, and they’re practically bulletproof. Earlier, we cautioned against using brittle automotive polyurethanes over fabric. What makes ours different? It’s simple: we leave out the filler materials that make other polyurethanes brittle. We use only high-grade resins, plasticizers, and pigments. The primary design priority in ours is long-term flexibility.
 
You need to allow a minimum 24 hours @ 65 degrees (70 is preferred) before you apply any additional product. Get the metal or in this case fiberglass temp up to 65-70 degrees or put it out in the sun for the remainder of the day. You need to get it to the equivalent of 24 hours @ 70 degrees before you do anything else including sanding it.
What you are using sounds like a polyurethane or urethane product. Does'nt sound like a polyester product. Do you have a link to the TDS or just their website?
 
Chris,
Thank you so much for the reply. Will stop sanding (though its sanding very well) and get the parts warmed up for 24hr before I move on.

The MSDS for the Aerothane can be found in this link and the second blue link down.


AGAIN THANK YOU!!!
 
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