J-Wax Spray is a wax based release agent. Primarily used as a release when moulding fibreglass off of clay sculptures or to separate polyester resin from polyester resin. Will also release polyurethane resins and foams from hard moulds. While the J-Wax spray is a great way of delivering a thin film of wax over a model when you want a more robust and heavy duty wax release you can switch to J-wax liquid.
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