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Raw rubber, 107 rubber, mixed rubber are silicone rubber, how to distinguish them?

Views: 0     Author: Site Editor     Publish Time: 2021-03-08      Origin: Site


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Raw rubber is short for methyl vinyl silicone rubber, is by dimethyl siloxane and a small amount of vinyl siloxane copolymer, vinyl content is commonly 0.04% ~ 0.3% (mole fraction), transparent appearance, liquidity is wonderful, is the production of raw materials, the basis of the mixed silicone rubber commonly used methyl vinyl silicone rubber vinyl content of 0.04, 0.08, 0.16, 0.24, etc., according to the different performance of the mixed silicone rubber was discussed with different vinyl content material to production.

Raw glue in the addition of reinforcing filler (precipitation/gas phase silica) and additives, at high temperature can be cross-linked to form an elastomer, can be used for the manufacture of molded rubber, extrusion rubber, electric insulation glue, flame retardant glue and other mixed rubber products.

107 rubber is 107 type of room temperature vulcanized methyl silicone rubber for short, room temperature vulcanized methyl silicone rubber (RTV) is a new type of silicone elastomer came out in the 1960s, the most significant characteristic of this rubber is at room temperature without heating, pressure can be cured on the spot, the use is very convenient. Therefore, as soon as it came out, it quickly became an important part of the whole organic silicon product. Now the room temperature vulcanized silicone rubber has been widely used as adhesives, sealants, protective coatings, potting and molding materials, in all walks of life have its use.

Mixed rubber is short for mixed silicone rubber, which is made of raw rubber and silica black, silicone oil and other small materials in the closed kneader in high temperature and repeated refining. Good electrical insulation makes it widely used in high temperature cables, power insulators and other fields; Small compression deformation and excellent elasticity make it can be used in the production of sealing rings, sealing strips, electronic keys and other products; Its non-biotoxicity makes it widely used in everyday products such as silicone bracelet, cake mold, baby pacifier, diving goggles, spatula, pressure cooker handle and so on.


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