Gelcoat not fully hardened

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LaxFriedrichs	LaxFriedrichs posted 11 Years Ago HOT Topic Details
Group: Forum Members Posts: 58, Visits: 450	I started a second mould (Unimould system) a few days ago, and the gelcoat is not hardening as it did the first time. The second coat's surface area seems to be 95+% hardened, however there are little patches where it hasn't. In these places the gelcoat is no longer a shiny 'gooey' fluid, it's matte and some what pliable. Is there any way of recovering this? Tomorrow is going to peak at 27 Deg C, could I put it in the sun and use the exotherm of the coupling coat and tooling resin coat to harden it?
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LaxFriedrichs	LaxFriedrichs posted 11 Years Ago HOT Post Details
Group: Forum Members Posts: 58, Visits: 450	Thanks for getting back to me, CC. The rubberiness is in concave regions. Also there are little tiny blobs ( rad ~2mm) around the edges. I have already completely the coupling coat, which after 3 hours is rock hard ( 2% MEKP and stored in a mini greenhouse). I'll remember the trick of turning over the mould for next time.
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LaxFriedrichs - 11 Years Ago

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