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How long is the life of epdm rubber strips?

How long is the life of epdm rubber strips?

2021-10-28

The epdm sealing rubber strip is a sealing strip made of epdm rubber. Mainly used in automobiles, machinery, doors and windows, etc., to play the role of dustproof, insectproof, waterproof, fixing, sound insulation, shock absorption and other functions and sealing functions. Epdm sealing rubber strips can be classified according to several methods such as cross-sectional shape, vulcanization method, use location and purpose.


According to the vulcanization method, epdm sealing rubber strips are divided into the following types:


(1) Discontinuous vulcanization method (cut the extruded rubber strip into a certain length, put it in a vulcanization tank, and put the semi-finished product of the extruded rubber strip into the model to vulcanize); modify the translation result


(2) Continuous vulcanization method (microwave continuous vulcanization method, salt bath continuous vulcanization method, hot air continuous vulcanization method, etc.).


A. Microwave continuous vulcanization composite sealing strip: Microwave vulcanization technology is a production technology applied and promoted after the energy crisis. Microwave continuous vulcanization technology can not only produce metal core, solid rubber, sponge rubber and other composite belts, but also has advantages over other continuous vulcanization equipment in terms of energy saving and improving work efficiency.


The microwave continuous vulcanization technology of epdm foam seal is a world-recognized good process method for producing extruded products. The characteristic of microwave heating is that the heat is directly generated inside the heated object, rather than input from the outside as usual. Only the heat generation is fast and the distribution is uniform, which is conducive to improving the quality of the product and greatly shortening the heating time.

B. Salt bath continuous vulcanization epdm sealing rubber strip: The salt bath vulcanization adopts a salt bath system containing nitrite, which causes great environmental pollution and has been gradually eliminated.


In addition, whether it is epdm foam strip or foam sealing strip, sponge sealing strip, foam sealing strip, oil-resistant rubber sealing strip, nitrile rubber sealing strip, electrical cabinet sealing strip, electrical cabinet sealing strip, automobile sealing strip, door and window sealing Strips, wear-resistant sealing strips, rubber waterproof strips, cabinet door sealing strips, rubber gaskets, automotive rubber accessories, rubber shock absorbers, rubber shock-absorbing feet, rubber machine feet, rubber seals, rubber seat cushions, o-rings, Silicone pads, rubber flange gaskets, silicone strips, silicone tubes, rubber tubes, various silicone rubber products, miscellaneous parts and other products, Kenna rubber can be made in molds. Welcome to make samples and drawings.


How long is the life of epdm rubber strips?


How long is the life of epdm rubber strips? In many cases, everyone will wait for the sealing rubber strip to fall off or become aging before replacing it; in fact, the epdm rubber strip itself has a longevity. Normal self adhesive epdm foam seal, in general, good quality products under normal temperature and normal pressure, there is no problem in opening them for about 10 to 15 years, but they may "retire" early due to some reasons.


Especially in some epdm rubber strips used in machinery, under different temperature and speed conditions, when the movement is too fast, some epdm sealing strips that are often worn out are easy to be damaged, aging and other problems appear, which are likely to cause serious epdm rubber strips. Damage. Therefore, the life span of epdm rubber strips will vary, so what causes are as follows:


1. The epdm rubber strips manufacturers are different, and the production technology of the suppliers is also different, so the life span of the rubber strips is also different;

2. Epdm rubber strips are used in different places and require different performances, and their lifespan is naturally different;

3. The production process of epdm rubber strip [zuì] directly affects the quality;

4. The use of epdm rubber strips under different working conditions, temperatures and pressures will directly affect the loss and aging resistance of epdm rubber strips;


In general: the life span of epdm rubber strips is actually different. Even rubber seal strips of the same material will have different life spans due to different batches and manufacturers.


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