Silicone rubber ZY-860 suitable for the production of ordinary silicone products, such as silicone rubber buttons, sealing rings, etc. Appearance translucent solid, density 1.16±0.03, hardness 60±3, tensile strength 7.0, elongation 260, tear strength 10.5, shrinkage 3.1~3.5, rebound elasticty 52, plasticity 230±25, vulcanizing agent double 2.5 .