Silicone rubber ZY-870 suitable for the production of ordinary silicone products, such as silicone rubber buttons, sealing rings, etc. Appearance translucent solid, density 1.20±0.03, hardness 70±3, tensile strength 6.0, elongation 200, tear strength 9.0, shrinkage 2.9~3.3, rebound elasticty 46, plasticity 250±25, vulcanizing agent double 2.5 .
