EPDM is ethylene, propylene, mix a small amount of the conjugate olefin copolymer, is one of the types of ethylene propylene rubber, expressed in EPDM, because its main chain is made up of chemical stability of saturated hydrocarbon, and only in the side chain containing unsaturated double bond, so the ozone resistance, heat resistance, excellent weather resistance and aging resistance, can be wid...
Rubber is a kind of polymer material with high elasticity, different products have different requirements for different rubber, these requirements have resistance to strength, aging, high and low temperature, oil and so on.The properties of rubber mainly depend on the types of raw rubber used and the different formulations of rubber materials. Natural rubber (NR) has excellent resilience and is ma...
With the application of unleaded gasoline and electrospraying devices in automobiles, the structure of the fuel hose has undergone great changes in the material, and the inner rubber layer has been developed to replace the nitrile rubber with fluororubber, chlorohydrin rubber or acrylate rubber. In order to reduce fuel permeability and further improve heat resistance, the inner layer rubber is mos...
Rubber seal ring is a ring cover composed of one or several parts, which is fixed on one ring or washer of the bearing and contacts with another ring or washer to form a narrow labyrinth. There are O-ring, Y-ring, V-ring and so on, which are used to install on various mechanical equipment, and play a sealing role in static or moving state under the specified temperature and pressure as well as in ...
The characteristics of rubber hose are physiological inertness, UV resistance, ozone resistance, high and low temperature resistance (-80 to 300 degrees), high transparency, strong resilience, compression and permanent deformation, oil resistance, stamping resistance, acid and alkali resistance, wear resistance, Flame resistance, voltage resistance, conductivity and other properties. It is mainly ...
Railway rubber pad is an important part of railway structure, it is installed between sleepers and concrete sleepers. Its main function is to buffer the high-speed vibration and shock generated when the vehicle passes the track, protect the roadbed and sleepers, and electrically isolate the signal system. Because of its long-term exposure to the atmosphere, it is required to have good natural agin...
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