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What are the types of talcum powder

2021-05-20 22:10:38
Times

The main component of talc powder produced by talc powder manufacturers is magnesium silicate containing water with talc, and the molecular formula is Mg3[Si4O10](OH)2. Shandong talc belongs to the monoclinic system. The crystals are pseudo hexagonal or rhombic flakes. Usually into dense massive, leaf-like, radial, fibrous aggregates. It is colorless, transparent or white, but appears light green, light yellow, light brown or even light red due to a small amount of impurities; the cleavage surface is pearly. The hardness is 1, and the specific gravity is 2.7 to 2.8.


  Talc powder has excellent physical and chemical properties such as lubricity, anti-sticking, flow aid, fire resistance, acid resistance, insulation, high melting point, chemical inactivity, good covering power, softness, good gloss and strong adsorption. The crystal structure of talc is layered, so it has the tendency to split into scales and has special lubricity. If the content of Fe2O3 is high, its insulating properties will be reduced. Talc powder is soft, its Mohs hardness coefficient is 1~1.5, it has a slippery feeling, the {001} cleavage is very complete, it is easy to crack into flakes, the natural angle of repose is small (35°~40°), and it is extremely unstable. The surrounding rock is silicified and talc-powdered magnesite, magnesite, lean ore or dolomite marble. Except for a few moderately stable, generally unstable, joints and fissures are developed. The influence of craftsmanship is great.


The main component of talc powder produced by talc powder manufacturers is magnesium silicate containing water with talc, and the molecular formula is Mg3[Si4O10](OH)2. Shandong talc belongs to the monoclinic system. The crystals are pseudo hexagonal or rhombic flakes. Usually into dense massive, leaf-like, radial, fibrous aggregates. It is colorless, transparent or white, but appears light green, light yellow, light brown or even light red due to a small amount of impurities; the cleavage surface is pearly. The hardness is 1, and the specific gravity is 2.7 to 2.8.


Talc powder manufacturers



  Talc powder has excellent physical and chemical properties such as lubricity, anti-sticking, flow aid, fire resistance, acid resistance, insulation, high melting point, chemical inactivity, good covering power, softness, good gloss and strong adsorption. The crystal structure of talc is layered, so it has the tendency to split into scales and has special lubricity. If the content of Fe2O3 is high, its insulating properties will be reduced. Talc powder is soft, its Mohs hardness coefficient is 1~1.5, it has a slippery feeling, the {001} cleavage is very complete, it is easy to crack into flakes, the natural angle of repose is small (35°~40°), and it is extremely unstable. The surrounding rock is silicified and talc-powdered magnesite, magnesite, lean ore or dolomite marble. Except for a few moderately stable, generally unstable, joints and fissures are developed. The influence of craftsmanship is great.



  Talc has excellent physical and chemical properties such as lubricity, fire resistance, acid resistance, insulation, high melting point, chemical inactivity, good covering power, softness, good gloss, and strong adsorption. It has a tendency to split into scales and has special lubricity. If the content of Fe2O3 is high, its insulating properties will be reduced.


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