| 摘要 |
Solid lubricant i.e. graphite carbon powder, MoS2, polytetrafluoroethylene powder, WS2, Al-stearate, etc. are uniformly and thinly coated onto exposure surface of mol. particles i.e. cryst. aluminosilicate, cryst. zeolite (having a high void rate in globes of easy crush) in the amt. of 1.0X10 power -5 to -3 per square centimetre of projected area to improve abrasion resistance.
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