
It is understood that a lead-free self-lubricating bearing and its manufacturing methods overcome the disadvantages of the friction bearing plastic layers of composite bearings that are not suitable for use in machinery manufacturing industries such as automobiles, food, pharmaceuticals, home appliances, offices, and beverages. The utility model has the advantages of simple structure, good use effect, long service life, simple and reasonable manufacturing process and the like.
Orange-red crystal,used as a strong oxidizing agent, analytical reagent, pyrotechnics, pigments and passivation of steel
Potassium Dichromate,Welding Electrode Potassium Dichromate,Matchstick Potassium Dichromate,Chemical Reagent Potassium Dichromate
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