talc powder, hydrous magnesium silicate, hydrous magnesium silicate; cosmetic talc, french talc, montana talc, texas talc, vermont talc, industrial talc, tremolitic talc, steatite talc, fibrous non-tremolite talc, no asbestos talc, magnesium silicate talc; talcum, french chalk, Talc (Mg3H2(SiO3)4)
Reade Advanced Materials offers:
Talc Powder
Talc Powder Synonyms:
Hydrous magnesium
silicate, talc powder, cosmetic talc,
french talc, montana talc, texas talc, vermont talc, industrial talc,
tremolitic talc, steatite talc, fibrous non-tremolite talc, no asbestos
talc, magnesium silicate talc, talcum, french chalk, soapstone, steatite, talc (Mg3H2(SiO3)4)
Talc Powder Designations:
Chemical Name: Hydrated magnesium silicate
Chemical Formula: 3MgO*4SiO2*H2O
Talc Powder General Description:
A mineral which occurs naturally throughout the world. It has a platy structure
Talc Powder Significant Technical Information on Talc:
Talc Powder Nominal Chemical Purities Available (a natural ore):
Chemical Composition:
Silicon dioxide= 56.3% magnesium ore) Finely ground grades oxide= 30.7% and calcium oxide= 7.0%
Talc Powder Grades Available:
a) Ceramic grade (Coarse, medium & fine)
b) Cosmetic grade
c) Paint grades
d) USP grade
e) Soapstone grade
f) Micronized grade
g) Finely ground grade
Targets, tablets, pieces, granules and various powder granulations sized between 37 microns to 1.5 microns mean particle size
| Hegman Grind | 3- 6 |
| Density (g/cm3) | 2.7- 2.85 |
| Specific Gravity | 2.6- 2.85 |
| Oil Absorption | 30-55 |
| RI Values | nα=1.538 - 1.550 nβ=1.575 - 1.594 nγ=1.575 - 1.600 |
| Appearance | Translucent, Colorless, White, Pale green, Brown |
| Surface Area (m2/g) | 4.3 |
| Fracture | Sub-Conchoidal |
| Mohs Hardness @20°C | 1.0- 1.5 |
| pH | 8.4-9.4 |
| Crystallography | Lamellar / Triclinic |
| G.E. Brightness | 85- 93 |
| Refractive Index | 1.59- 1.60 |
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Lubricant, filler, reinforcement, electric and heat insulator, anti stick, anti cake, carrier, thickener, adsorbent, strengthener, ceramics, cosmetics, and pharmaceuticals
Bags, drums and bulk bags
a) Listed. For further information please call the U.S. Environmental
Protection Agency at 1.202.554.1404
b) Visit this site for useful HSE information
14807-96-6
Telephone Contact Numbers:
East Coast USA: +1-401-433-7000 / West Coast USA: +1-775-352-1000 / Latin
América: +507-314-1282
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