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Rubber seal performance, characteristics and use

Hits:Updated:2017-06-13 08:06:38【Print】

Rubber, with plastic, fiber and known as the three synthetic materials, is the only highly scalable and excellent flexibility of the polymer material. The biggest feature of the rubber is that the modulus of elasticity is very small and the elongation is high. The second is that it has a very good resistance to breathability and resistance to a variety of chemical media and electrical insulation properties. Some special synthetic rubber has better resistance to oil and temperature, can resist fat oil, lubricating oil, hydraulic oil, fuel oil and solvent oil swelling; cold can be as low as -60 ℃ to -80 ℃, heat can be High to + 180 ° C to + 350 ° C. Rubber is also resistant to a variety of bending, bending deformation, because the hysteresis loss is small. The third feature of rubber is that it can be used with a variety of materials, blending, compound, and thus modified to get a good overall performance. The following are the same as the "
These basic properties of rubber, it is an excellent industrial shock absorption, sealing, flexing, wear, corrosion, insulation and bonding materials. The following are the same as the "
A: The classification of rubber
1. According to raw material sources and methods
Rubber can be divided into two categories: natural rubber and synthetic rubber. Which consumption of natural rubber accounted for 1/3, synthetic rubber consumption accounted for 2/3. The following are the same as the "
2. According to the appearance of rubber
Rubber can be divided into solid rubber (also known as dry rubber), milky rubber (latex), liquid rubber and powder rubber four categories. The following are the same as the "
3. According to the performance and use of rubber
In addition to natural rubber, the synthetic rubber can be divided into general synthetic rubber, semi-general synthetic rubber, special synthetic rubber and special synthetic rubber. The following are the same as the "
4. According to the physical form of rubber
Rubber can be divided into hard plastic and soft, raw rubber and rubber and so on. The following are the same as the "
According to the type of rubber and cross-linked form, in industrial use, the rubber can be classified as follows. The following are the same as the "
A class of heat and oil and other functions are divided into: ordinary rubber, heat-resistant rubber, oil-resistant rubber and weather-resistant rubber, resistant to special chemical media, such as rubber.


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