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1250 mesh talc powder

1250 mesh talc powder

发布时间:2019/3/21

This product is magnesium silicate mineral talc group, the main component is magnesium silicate hydrate, after crushing, treated with hydrochloric acid, washed and dried.

The main component of talc is magnesium silicate hydrated in talc, and its molecular formula is Mg3 [Si4O10] (OH) 2. Talc belongs to monoclinic system. Crystals are pseudohexagonal or diamond-shaped sheets, occasionally. Usually dense, massive, leafy, radial, fibrous aggregates. It is colorless, transparent or white, but it is light green, light yellow, light brown or even light red due to a small amount of impurities. The cleavage surface is pearly luster. Hardness 1, specific gravity 2.7-2.8.

It is a water-bearing silicate mineral with layered structure.


Uses: Used in rubber, plastics, paint, glass fiber reinforced plastics and other chemical industries as reinforcement and modification fillers.