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I'm doing a new mold for a bike project and 98% of my mold surface is perfect but I got a few imperfections on the gel coat surface (see attached photo). Does anyone have a clue what could be causing them and how I can avoid them on the next mold? My mold making process:
- I had a painted mdf plug attached to a melamine board which acts as the parting surface. - 6 x layers of Easylease 15 mins apart - 1 layer of Meguiars no.8 after waiting an hour - Filleting wax applied to the plug/base joint. - 2 layers of Uni-Mould Tooling Gel Coat applied 2 hours apart - Layer of 100g chopped glassfiber laminated on top with vinylester resin the next day - Later several layers of 300g chopped glassfiber laminated with vinylester - Demoulded after about 30 hours of curing in about 20 degrees.
Btw, demoulding was super easy. First time using Easy-Lease - works like a charm!
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