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https://www.epoxyworks.com/wp-content/uploads/2014/07/west-system-header1.gif391212By Tom Pawlak — GBI Technical Advisor PVA (polyvinyl alcohol) is a water-based liquid plastic that can be applied to waxed molds to prevent molded parts from sticking. PVA is not always required. Often laminators rely solely on mold release wax to create a surface contaminant on the mold that allows parts to be removed. However, […]