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First Grade Superfine Talc?Lumps With High Whiteness And Best Quality
Product Description
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Talcum?Lumps is white or kind of white, fine, no sand, lumps, hand have greasy feeling.Odourless and tasteless.This product in water, dilute mineral acid or dilute alkali hydroxide are dissolved in the solution.As a medicinal.??
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Talc is the main composition is hydrated magnesium silicate, talc belongs to monoclinic system.Crystal show fake six-party or diamond shape, I see.Usually into dense clumps, leaf shape, radial, fibrous assembly.Colorless transparent or white, but because it contains a small amount of impurity in light green, yellow, light even light red;The cleavage plane is pearl luster.1, hardness, specific gravity 2.7 ~ 2.8.??
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Characteristics
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Talc with lubricity, sticky, flow resistance, fire resistance, acid resistance, insulation, high melting point, chemical inertness, good covering power and soft, good luster, strong adsorption force and other excellent physical and chemical properties, due to the crystallization of talc is a layered structure, so the easier to split into flake trends and special lubrication, if the content of Fe2O3 high will reduce its insulation.
Talc soft, its for 1 ~ 1.5 mohs hardness coefficient, have slippery feeling, {001} cleavage is extremely full, easy to split into slices, natural rest Angle is small (35 ° ~ 40 °), very solid, the surrounding rock of silicide and petrochemical magnesite, lingmei rocks, lean ore or dolomitic marble, with a few solid medium, generally are not solid, joint, crack development, physical and mechanical properties of the ore and surrounding rock is a big influence on mining process.??
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| Main Application |
| Food industry |
Cosmetics(Face, baby powder, body powder) |
| Plastic industry |
| Rubber |
| Paintings |
| coatings |
| Ceramic |
| Pharmaceutical |
| Paper-making, etc |
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