Remember for polyester: Dissolved wax keeps the sticky away from finish gel-coat. Bonding polyester resin has no wax. Methyl ethyl ketone (or 2-butanone, a cousin of acetone but with one more carbon atom) is the solvent plus a little benzoyl peroxide makes the catalyst.
Dacarls:
A-class USA 196, USA 21, H18, H16
"Nothing that's any good works by itself. You got to make the damn thing work"- Thomas Edison
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