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A normal metaphor is petroleum is blood of industry, the rare earth element is vitamin of industry. Rare earth is brief of a group metal, including 17 elements of lanthanum, cerium, praseodymium in periodic table of (chemical) elements, it is applied in many fields like electrics, petrified, metallurgy inclusively. At intervals of three to five ...

Different type for polishign various kind of glass,diamond,jewelry

We have four types polishing powder for your choose. Details like below: From the application: XGY-557D: mainly used in the polishing of flat glass or optical glass or phone cover plate with

It's dark powder, insoluble in water and soluble in mineral acids.It mainly used for building ceramics and ceramics, mixed with ceramic glaze made of colored glaze, also available separately as un

It's light yellow powder, insoluble in water and difficult to soluble in mineral acids.It's used as additive in the glass industry, as the plate glass grinding material, can also be used in co