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Source: CCP Cook Composites and Polymers Co, 2009 Composites Applications Guide, Eleventh Edition.
Proper application of gelcoat is critical to producing cosmetically appealing and durable parts. Improperly applied gelcoat increases the cost of the part. The amount of additional cost incurred depends on the number of rejected parts as well as the effort required to rework the parts. Making the investment of properly applying the gelcoat can pay big dividends by reducing rework and scrap. Proper gelcoat application includes material preparation, equipment calibration, use of trained spray operators and appropriate spray methods.
A conventional gelcoat is applied with spray equipment. Brushing of gelcoats is not recommended. The following information assumes that the proper gelcoat spray equipment has been
