Polyklear IS-BR25 Silicone Rubber is a brush-type condensation silicone rubber for molding. It can be used with either a clear or blue catalyst according to the preferred working time and color of the mold. It has an exceptional working property and library life.
*Sold in set with:
Polyklear IS-H3 Blue Silicone Rubber Catalyst - is a liquid added to silicone rubber to initiate hardening producing flexible mold. It is a fast curing vulcanization agent for Silicone Rubber. The recommended amount is 2%.