What is the raw material source of rubber sealing ring? Dongsheng seal tells you that the rubber material is divided into two categories: rubber and synthetic rubber, of which the consumption of rubber accounts for 1/3 and the consumption of synthetic rubber accounts for 2/3. In addition to rubber, synthetic rubber can be divided into general synthetic rubber, semi-General synthetic rubber, special synthetic rubber and special synthetic rubber.
The appearance form of its rubber sealing ring material is divided into solid rubber (Also known as dry rubber)Rubber (Glue for short)Liquid rubber and powder rubber.And according to the performance and use of the rubber sealing ring structure design, it is used in various industrial fields.
So, how is the physical form of rubber sealing ring material classified? Rubber can be divided into hard rubber and soft rubber, raw rubber and mixed rubber. According to the chemical structure, according to the existence of bonds on the rubber molecular chain, it is divided into two categories: unsaturated rubber and saturated rubber. The former has two-type and non-two-type vulcanization rubber, the latter is divided into non-vulcanization rubber and other (sealing ring) elastomer. The saturated rubber sealing ring material is further divided into rubber containing methyl in the main chain (ethylene-propylene rubber, polyethylene chloride, acrylic rubber and fluorine rubber, etc.), and rubber containing sulfur in the main chain (polysulfur rubber ), the main chain oxygen-containing rubber (polyester rubber), the main chain silicon-containing rubber (silicone rubber) has the main chain carbon, oxygen, nitrogen rubber (polyurethane rubber) and so on. In addition to natural rubber belongs to unsaturated class of rubber and large amount of a wide range of styrene-butadiene, Ding two Ene, isoprene two Ene, neoprene, nitrile, butyl and synthesis rubber, they with methylene style of rubber all can the modified such as carboxylation, chloride, chlorosulfonation and with two ENE benzene and other pre-cross-linking of rubber.
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