Used as a sanding aid in Gel Coats. Wax additive should be added before catalyzing with MEKp. Wax additives are to be added to the finish coat of gelcoat. Seals the surface & allows air inhibited polyesters to cure at the surface. High quality additive for polyester resins & gelcoats. Wax Additive Sanding Aid, 10% Solution, PC-107. 

Recommended amounts to add to gelcoat are as follows:

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