R-1328 A (40lb) / R-1324 B (4lb)—28 A Shore Tin Base (Condensation Cure), two-component, room temperature cure (RTV) rubber designed primarily for faster demold—6 to 8 hours. It is used as a general purpose, high strength rubber for making multi-part molds, flexible rubber parts, and for print coat (detail coat) applications when making brush-on molds. Molds are used to cast polyester, urethane, epoxy, low melt metal (350F), thermoplastics (Polyvinyl), wax, soap, plaster, and any material where a release free casting is required.

Product Features:

1. Excellent Physical Properties with High Tear Resistance
2. Low Viscosity and greater flow control for Brush-On molds
3. Produces mold with a Long Working Life
4. Fast Cure 6-8 hours for quick multi-part mold fabrication