Gain the Molder's Edge with ZIP mold release agents, cleaners, and corrosion preventives. ZIP products help you improve molding efficiency in diverse applications including injection, compression, transfer, vacuum form, pour cast, die cast and extrusion. ZIP - The Molder's Edge products are formulated to provide high levels of user and environmental safety. They contain no methylene chloride or Class I ozone depleting substances - CFCs. ZIP - The Molder's Edge also offers Envirelease products which contain no methylene chloride, no Class I (CFC) or Class II (HCFC) ozone depleting substances.