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Hydrous Magnesium Silicate (Talc Powder)

Talc, or Hydrous Magnesium Silicate (3MgO.4SIO₂.H₂O), is a very fine, translucent to opaque, soft mineral with a white to grayish-white color. It is inert, odorless, and insoluble in water.

Powder granulations available between 37 microns to 1.5 microns
Typical Applications

Talc has widespread uses in many industries. It is used in paper making, plastic, paint and coatings, rubber, food, electric cable, pharmaceuticals, and cosmetics.
Talc adds softness, sliding ability, absorbency, and bulking to cosmetic formulations. It acts as a stabilizer and filler for pharmaceutical pills and tablets and a dusting agent for tablet molds. Talc is used as a pigment in paints, varnishes, and rubber and as a paper, rubber, and soap filler.

Packaging Options

Bags, drums, and bulk bags


Hydrous Magnesium Silicate TSCA (SARA Title III) Status: Listed
For further information, please call the EPA Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902.
Hydrous Magnesium Silicate CAS Number: 14807-96-6

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