si3n4 silicon nitride ceramic balls
si3n4 silicon nitride ceramic balls are high-temperature sintered precise ceramics in non-oxidizing atmosphere. They have high strength, high wear resistance, high temperature resistance, corrosion resistance, acid and alkali resistance, can be used in seawater for a long time, and have good properties of insulation and insulation. At 800 C, the strength and hardness are almost unchanged. Its density is 3.20g/cm3, which is almost 1/3 of the weight of bearing steel. The centrifugal force is small when rotating, and high-speed operation can be achieved. It also has self-lubrication, which can be used in environments without lubricating medium and high pollution. Become the preferred balls for ceramic bearings and hybrid ceramic ball bearings.
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