1:1 Liquid Silicone Rubber Low Viscosity Food Grade For Chocolate Candy Molds Core product positioning RTV-2 platinum-cured liquid silicone rubber is an industrial-grade material tailored for high-precision plaster, concrete craft and resin casting mold production. Featuring near-zero shrinkage (less than 0.1%) and excellent high-temperature resistance up to 250°C, it effectively addresses the common defects of traditional molds, including structural deformation and detail