Hi again. I use GC50 gelcoat for all our products. We are new in using this product, I'm having hazy clear coats after a week or two of exposing it to sunlight. At brand new condition there are no problems. I sprayed the GC50 with gelcoat spraying gun. Single layer. I use vinyl ester resin for vacuum infusion. Any solutions?

A simple solution to this problem may well be to use polyester Gelcoat, instead of GC50 ??..It's cheaper as well .. And highly UV resistant.

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