S5130 Aldrich

Silica, fumed

powder, 0.007 μm

Synonym: Silica, Silicic anhydride, Silicon dioxide amorphous, Silicon dioxide


Related Categories Materials Science, Metal and Ceramic Science, Oxides, Silicon
form   powder
refractive index   n20/D 1.46(lit.)
particle size   0.007 μm
surface area   395 m2/g±25 m2/g
density   2.3 lb/cu.ft at 25 °C (bulk density)(lit.)
cation traces   metal ions:, practically free


Features and Benefits

Has interesting thickening and thixotropic properties, and an enormous external surface area.

Other Notes

Particle sizes are for primary particles, which form branched, chain-like aggregates a few tenths of a micron long.


25, 100 g in poly bottle

500 g in poly drum

Price and Availability

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