High quality wholesale boron carbide b4c powder f1200 abrasive powder b4c powder for lapping and polishing, grinding color : black state : powder smelting point : 2450 centigrade origin : dalian, china brand name: zx type: fepa standard or customers' requirement application : industrial products particle size : as per customers requirement.
Ceramic bearings are typically comprised of zirconia, alumina, tungsten carbide, or even silicon nitride. these ceramics are ultra-hard with a rc>90. couple the high hardness with a low coefficient of friction and ceramic bearings exhibit long life and typically minimize the wear on the shafts running against the bearing. boron carbide b4c for making nozzle jet,sealing ring,bearing , find complete details about boron carbide b4c u2026
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