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This filter is designed to prevent investment particles from being drawn into your vacuum pump
It has good spring back that allows the rubber to return to the original shape after removing your wax from the mold
It is lightweight and comfortable to wear
the inner spine features a continuous padded slot for rings
Castaldo® Silicone Mold Release Spray Jewelry Cards & Cards Displays This filter is designed toNon toxic Castaldo silicone spray prevents wax from sticking to molds. Spray it lightly inside your mold before injection. It works on rubber and metal molds and contains no CFCs or VOCs.
