Tag: Automotive Aftermarket

Alligatoring Causes

One of the challenges of using Gelcoat is the potential for the defect called alligatoring. This is described as a wrinkled surface on the completed part after it is removed from the mold, and results in extensive post-mold...

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Chemistry of Cure

Lets look a little bit closer at the chemistry of curing a polyester/vinylester resin. There is lots of chemistry involved, but it is broken down so it is not too complicated. The initiator is the correct technical term for what...

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