The seals are mostly made of rubber material, which prevents fluid or solid particles from leaking from adjacent joint surfaces, and prevents foreign substances such as dust and moisture from entering the interior of the machine. At present, many seal manufacturers use reclaimed rubber instead of original rubber as the main raw material for seals. What are the differences in the performance of seals produced by different types of reclaimed rubber, and in which temperature ranges can they be used?
Commonly used reclaimed rubbers in the market include latex reclaimed rubber, tire reclaimed rubber, nitrile reclaimed rubber, butyl reclaimed rubber and EPDM reclaimed rubber, among which nitrile reclaimed rubber, butyl reclaimed rubber and EPDM reclaimed rubber are used. It is an ideal raw material for the production of seals. The performance of seals produced by different reclaimed rubbers is different: nitrile reclaimed rubber has excellent oil resistance and is used for the production of seals for long-term operation in oil media; butyl reclaimed rubber has excellent air tightness, water tightness and stable chemical properties. It is resistant to ozone and corrosion, and the produced seals are not easy to penetrate. The EPDM reclaimed rubber is excellent in high and low temperature resistance and aging resistance, and has a wide range of use and long service life.
The seals produced by different reclaimed rubbers have different operating temperatures, and the seals are divided into static seals and dynamic seals. Dynamic seals refer to the relative movement of seals and seals. Dynamic seals and static seals of the same kind of hy-recycled seals. The temperature of use is also different. Under normal circumstances: the sealed seal produced by nitrile reclaimed rubber has a static sealing temperature of -40-+120 °C, the dynamic sealing temperature is -40-100 °C; the butyl reclaimed rubber seal has a static sealing temperature of -20-+130. °C, the operating temperature range of the dynamic seal is -20-+80 °C; the temperature range of the static sealing and dynamic sealing of the EPDM reclaimed rubber seal is -30-+120 °C.
The seals produced by using reclaimed rubber are determined by the performance characteristics of the reclaimed rubber, whether it is used or used. In some special occasions, the temperature range of different types of reclaimed rubber seals will change. Rubber products manufacturers Need to be determined according to specific needs. In order to reduce the production cost and life of the seal while reducing the production cost of the rubber seal, Fortune engineers recommend adding a small amount of raw rubber.
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