PVA, or polyvinyl alcohol, should be made use of with our #1016 Partall Wax for the simple launch of parts from a mould. Wax needs to be applied to the mould, 3–4 layers thick, and buffed to your large gloss. The moment the ultimate layer of wax has dried, PVA really should be applied with the next considerations:Repellent to grease and water: It