CASTING LIQUID SILICONE RUBBER – for moulds, bi-component A + B. Casting liquid silicone rubber, able to penetrate everywhere and to reproduce any small detail. It is suitable for making moulds for small objects, even with very fine details and noticeable undercuts. Before use, it is necessary to add 5% of catalyst. Liquid Silicone Rubber for Making Highly Detailed Moulds Compatible with Resin, Soap and Polymer Pastes. Ideal for multiple reproductions of models and complex shapes and jewels of any kind. Technical Features: + Mix ratio: 100: 2 in weight (= 2%), + Pot Life – 60-80 min; + Pouring time – 60-80 min; + Demould time – 12 hours; + Hardness 1) – 20 + -3 Shore A, 2) – 15 + -3 Shore A + Colour – white, semi-polished.