PolyCoat is a semi-permanent, silicone-based sealer and release agent. Buy poly sealer and release agent now at polytek development Corp.
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PolyFoam R-8 is a two-part, rigid polyurethane casting foam. This self-skinning foam has a free-rise density of 8 lb/ft³, but should be cast at a
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Expressions LTD PolyCoat Rubber Mold Model Sealer and Release
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