Description of platinum curing mould making liquid silicone rubber Addition cure silicone is a kind of two part silicone rubber in addition cure or platinum cure type with mixing ratio of 1:1 or 10:1. It can cure at room temperature as well as under heat. It's a kind of food grade silicone and mainly used for mold making. Application of platinum curing mould making liquid silicone rubber Silicone rubber is mainly used for making molds of tire, concrete stone, grc, polyurethane products; wax, candle decoration; rapid prototyping and tyre molds; chocolate, candy and similar products.