1.Introduction:
Talc is a magnesium silicate mineral salts talc family talc, the main component of the moisture content of magnesium silicate, silica and magnesium oxide, talc is a monoclinic system. The crystal was fake six-party or diamond-shaped flakes, usually into a dense block, leaf-shaped, radially fibrous aggregates. Transparent colorless or white, but containing a small amount of impurities present light green, light yellow, light brown or even light red; cleavage plane was pearl gloss.
Hardness Density: 2.7 ~ 2.8
Properties: white crystal or powder
Oil absorption :20-50
PH: aqueous solution is alkaline crystalline
state: was fake six-party or diamond-shaped flakes
refractive index: 1.5
CAS No.: 14807-96-6
2.Application:
Talc is widely used in medicine, daily chemical, food, paper, rubber, plastics, paint, paint, linoleum, ceramic, leather and other industries. Can improve product performance, reduce production costs.
3.Classification:
(1) Cosmetic Grade (HZ): used for a variety of moisturizing powder, cosmetic powder, talcum powder.
(2) Medicine - food grade (YS): pharmaceutical tablets, pharmaceutical powders (such as A bulk coffee phenol) sugar, baby powder and Chinese herbal formula, food additives, isolation agent.
(3) Coating level (TL): a white pigment and various types of water-based, oil-based resin industry paint, primer to protect the paint and so on.
(4) Paper grade (ZZ): used for the packing of various types of paper and paperboard, wood pitch control agents.
(5) Plastic level (SL): for such as polypropylene, nylon, polyvinyl chloride, polyethylene, polystyrene and polyester type plastic filler.
(6) Rubber level (AJ): for anti-adhesive for rubber packing and rubber products.
(7) Cable level (DL): for cable rubber by agent, cable release agent.
(8) Ceramic grade (TC): used for the manufacture of electrical porcelain, radio porcelain, industrial ceramics, building ceramics, daily ceramics and enamel.
(9) Waterproof materials level (FS): for a waterproof membrane, waterproof coatings, waterproof ointment.
(10) Fine talcum powder: for paint and coatings, plastics, cables, rubber, cosmetics, copperplate paper coatings, textile lubricants.
4.Features:
Talc has a lubricating, anti-stick, a flow aid, fire resistance, acid resistance, insulation resistance, high melting point, chemical inertness, hiding power, good, soft, shiny, strong adsorption, excellent physical and chemical properties, due to talc the crystal structure is layered, so easy to split into scales of trends and
