Kaolin clay

Description: USP grade, pure natural mineral (anhydrous aluminum silicate) composed of kaolinite with low iron content (synonyms: china clay, nacrite, kaolinite, calcined kaolin, metakaolin). Consists of 44-46% silicon dioxide, 37-40% aluminum oxide, 0.2-0.4% magnesium oxide, 0.03-0.06?lcium oxide, 0.2-0.4?rric oxide, and 1.5-2.0% titanium dioxide. pH 5 (5% solution). Average particle size 1.0-1.4 micrometers. Off-white fine powder, odorless. Insoluble in water.

Use: Can be added to formulas as is, usual final concentration 4-20%. For external use only.

Applications: Face powders, face masks, creams and lotions for oily skin, bath powders, foundation cake makeup, dry rouges, deodorants, soaps. Skin protective products.

Manufacture: Kaolin is a hydrated aluminum silicate obtained by mining naturally occurring mineral deposits. Such deposits are purified by a dry process involving crushing, drying, pulverizing and classifying and a wet processes involving formation of a kaolin slurry followed by selective flocculation.