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How are rubber seals classified according to their materials?

Update:29-09-2020
Summary:

There are three types of rubber materials for automobil […]

There are three types of rubber materials for automobile sealing strips: dense rubber, sponge rubber and hard rubber.
The hardness of hard rubber can reach Shore A95. The rubber material of the sealing strip is mostly used for aging resistance, low temperature resistance, moisture resistance, and chemical corrosion resistance, especially
It is ethylene propylene diene monomer rubber (EPDM) resistant to ozone aging. EPDM can be combined with steel belt, steel wire braid, TPE, flannel, flocking, PU coating,
The organic silicon coating and other composites ensure the waterproof, dustproof, sound insulation, heat insulation, vibration reduction, wear resistance and decoration effects of the car interior and the outside world and itself.
Under normal circumstances, EPDM sealing strips can be used stably for more than ten years. Chloroprene rubber (CR) with good ozone resistance and good aging resistance can also be selected.
Taking into account the process performance of commonly used rubber materials, sometimes it is necessary to use combined rubber, such as natural rubber (NR) and CR and styrene butadiene rubber (SBR).
Rubber combined use or polyethylene (PE), EPDM and NR rubber plastic combined type to improve ozone resistance.

 

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