Silicon Carbide
Silicon carbide is the excellent material among the secondary frictional material. The frictional factor of the combination of silicon carbide and carbon graphite is the least. So silicon carbide is widely applied to components of high temperature heat engine , abrasion resistant parts of pump valve , and the industrial fields of petroleum , chemical , machinery - building , cosmonautics , printing , dyeing , foodstuff , pharmaceutical and auto industry , etc.
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