mobile phone shell of raw materials

  The silicone shell of the phone shell, water sets and other raw materials are likely using silica gel or silicone rubber. Silastic (English name: of Silicone rubber), sub-thermal curing (high-temperature vulcanized silicone HTV), a room temperature vulcanizing (RTV), RTV was divided into the condensation reaction type and the addition reaction type. High-temperature silicone rubber is mainly used to manufacture all kinds of silicone rubber products, room temperature silicone rubber as adhesive potting material or mold. Heat curing the largest amount of heat curing type was divided into methyl silicone rubber (MQ), methyl vinyl silicone rubber (VMQ, usage and product grades up to), PVMQ vinyl methyl phenyl silicone rubber (low temperature resistance, radiation ), other eye Silastic fluorosilicone rubber and so on. Characteristics with non-toxic tasteless, not afraid of high temperatures and resist cold, at 300 degrees Celsius and minus ninety degrees Celsius "poised", "without blinking an eye, still without losing the original strength and elasticity. Silastic good electrical insulation, resistance to oxygen aging resistance, light aging resistance and mildew resistance, chemical stability.

Classification of the Silastic

The silicone rubber is mainly divided into RTV silicone rubber, high-temperature vulcanized silicone rubber. Therefore, RTV silicone rubber composition, curing mechanism and the use of technology can be divided into three types, namely, one-component RTV silicone rubber, two-component condensation RTV silicone rubber molding two-component RTV silicone rubber . Three series RTV silicone rubber has its own characteristics: the advantages of single-component room temperature vulcanizing silicone rubber is easy to use, but deep curing speed is more difficult; two-component room temperature vulcanizing silicone rubber, the advantages hold heat when curing. The shrinkage is very small, not inflated, internal stress, curing can be both internal and surface can be deep sulfide; molding RTV silicone rubber vulcanization time depends mainly on temperature. The Silastic according to the curing characteristics can be divided into two types of heat curing silicone rubber room temperature vulcanizing silicone rubber. Different properties and uses can be divided into general-purpose, ultra-low temperature resistant, ultra-high temperature, high strength type, oil, medical type. The monomer used can be divided into a methyl vinyl silicone rubber, methyl phenyl vinyl silicone rubber, fluorosilicone, nitrile, silicone rubber.


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