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Fumed Silica

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Product Description

PRODUCT

Fumed Silica

CAS #

112945-52-5

SYNONYM

Silica, amorphous; Silicic anhydride; Silica, amorphous fumed Silica, pyrogenic; Fossil flour Fumed silica; Fumed silicon dioxide; cataloid; Colloidal silica; acticel; amorphoussilicadust;

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FORMULA

O2Si

PRODUCT TYPE

Inorganic

Typical Product Specifications

REFRACTIVE INDEX

1.46

MELTING POINT

1600 C

COLOR

White to gray

MOLECULAR WEIGHT

60.09

SOLUBILITY

Soluable in hydrofluoric acid

INSOLUBILITY

Insoluable in water

SPECIFIC GRAVITY

2.1

NOTES

Storage: Hygroscopic Uses: Thickener, thixotrope, reinforcing agent in inks, resins, paints, cosmetics; filler for plastics, rubber, caulks, sealants; flatting agent, pigment in paints, printing inks; visc. builder for adhesives; base material for high-temp. mortars; flatting agent for vinyl coatings, PU or leather coatings, lacquers for film and PU textile coatings, paper coatings, long-oil alkyd systems, water-based coatings; thickener, thixotrope, reinforcing agent, excipient, flow aid, anticaking agent, stabilizer, adsorbent, glidant, suspending agent, antisettling agent for pharmaceuticals; rheology control, reinforcing agent, flow aid for foods; food-pkg. adhesives, coatings, paperpaperboard, cellophane, film, rubber articles; defoamer in food-contact coatings, paperpaperboard

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