Best resin for painted on repairs

Talk Composites - The Forum for Advanced Composites

Back

Best resin for painted on repairs

Author	Message
moonpie	moonpie posted 6 Years Ago HOT Topic Details
Group: Forum Members Posts: 34, Visits: 94	I've got some cosmetic issues on an infused part that I want to repair, primarily from rough joins on a multi part mould. I want to effectively brush on clear resin to smooth the slight indentation and then sand/polish. IN2 infusion resin is such low viscosity it kind of runs away from the problem as soon as it's applied so isn't a good repair resin. What product would you guys recommend to use for this purpose please?
	Reply Like 3
Lester Populaire	L Lester Populaire posted 6 Years Ago HOT Post Details
L Group: Forum Members Posts: 311, Visits: 13K	+x moonpie - 12/16/2019 3:26:34 PM I've got some cosmetic issues on an infused part that I want to repair, primarily from rough joins on a multi part mould. I want to effectively brush on clear resin to smooth the slight indentation and then sand/polish. IN2 infusion resin is such low viscosity it kind of runs away from the problem as soon as it's applied so isn't a good repair resin. What product would you guys recommend to use for this purpose please? A clear gel coat would probably be best
	Reply Like 3
MarkMK	MarkMK posted 6 Years Ago HOT Post Details
Group: Forum Members Posts: 338, Visits: 2K	If your part has been made without an in-mould coating (like EC's GC50) and you weren't bargaining on having it clear coated afterwards, you will lose any gloss if you attempt to sand the bare epoxy. The depth of resin on an infused part is just too shallow. EC's XCR coating resin would, ordinarily, be a good resin to use on repairs to epoxy such as the one mentioned, but you'll likely need to think about having the part sprayed afterwards if you need an overall gloss finish. Using a product like GC50 does allow for light sanding a polishing, as it adds an additional gel coat layer to the finished part Edited 6 Years Ago by MarkMK
	Reply Like 3
moonpie	moonpie posted 6 Years Ago HOT Post Details
Group: Forum Members Posts: 34, Visits: 94	+x MarkMK - 12/17/2019 7:11:14 AM If your part has been made without an in-mould coating (like EC's GC50) and you weren't bargaining on having it clear coated afterwards, you will lose any gloss if you attempt to sand the bare epoxy. The depth of resin on an infused part is just too shallow. EC's XCR coating resin would, ordinarily, be a good resin to use on repairs to epoxy such as the one mentioned, but you'll likely need to think about having the part sprayed afterwards if you need an overall gloss finish. Using a product like GC50 does allow for light sanding a polishing, as it adds an additional gel coat layer to the finished part Hi Mark, plans are to paint and clear coat so not an issue there, hence sounds like ACE would be the way to go?
	Reply Like 3
MarkMK	MarkMK posted 6 Years Ago HOT Post Details
Group: Forum Members Posts: 338, Visits: 2K	Something like EC's XCR coating resin should work well, in that case and it's a touch thicker than usual laminating or infusion resins. You can also use a razor blade-type scraper to trim away any excessive bumps in the cured resin which might save a little sanding time also.
	Reply Like 4