mainly used for oil bearings,bronze filters,diamond tool products,additives etc. Application and specification: mainly used for oil bearingsbronze filtersdiamond tool productsadditives etc. Chemical parametersPhysical parametersSnApparent density Flow velocityColourGranularity99.5%2.8-3.3g/ cm3/ Gray white-300 meshFunction description: The fine particle Tin powders and oxide have low content, ...