NBR (nitrile butadiene rubber), with its excellent oil and heat resistance, has been widely used in the field of seals. However, its relative lack of wear resistance limits its potential application in high-wear environments.

Black and white are the basic colors in color, but they are also the two most difficult colors to achieve satisfactory results. Usually, black is achieved by adding carbon black or black mother, but it is often difficult to achieve the desired blackness or effect.

Perflurane rubber (FFKM), whose structure combines the main chain of tetrafluoroethylene (PTFE) with the branch chain and connecting parts of perfluoromethyl vinyl ether (PMVE), not only exhibits excellent resistance to high temperature and chemical corrosion (resistant to more than 1,600 chemical substances), but also retains the elastic properties of rubber.