Molding Silicone is a platinum complex as catalyst for vulcanization molding system
　　Silicone rubber:
　　Plus two-component RTV silicone rubber molding flexible silicone gel and silicone rubber points, the former low intensity, the latter intensity is higher. Their curing mechanism is based on silicone gum on the vinyl end groups (or propenyl) and the molecular cross-linking agents based on the occurrence of addition reaction of silicon-hydrogen (hydrogen silicide reaction) to complete.
　　In this reaction, the hydride-containing polysiloxane used as functional crosslinking agent (curing agent) chloroplatinic acid or other soluble platinum compounds used as catalysts.
　　Curing reaction is carried out in the stifling temperatures. Does not release by-products. As the cross-linking process does not release low molecular weight material, so add molding Molding Silicone RTV silicone curing process does not produce the contraction. This type of vulcanized rubber non-toxic, high mechanical strength, excellent hydrolytic stability (even under high-pressure steam), good low compression set, low flammability, may be the depth of curing, and curing rate can be used to control temperature advantages, at home and abroad to develop a class of silicone rubber. plus RTV silicone rubber packaging is generally sub-M, N two components of the packaging: there will be a catalyst and functional group-containing vinyl silicone polymer matter
　　As a component; hydrogen-containing polysiloxane cross-linking agent for the other components.
　　Plus high-intensity Molding Silicone RTV silicone molding as low linear shrinkage, curing does not release low molecular weight, and therefore the fine molding material. In the machinery industry has been widely used to mold to cast epoxy resin, polyester resin, polyurethane, polystyrene, vinyl, wax, low melting point alloy, coagulation fine. Increase the use of silicone rubber molding stifled the high-temperature simulation, non-corrosive, molding work is simple and easy mold release characteristics, suitable for copying and arts and crafts heritage replication.

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