381276 Aldrich

Silica

99.8%

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

Properties

Related Categories Materials Science, Metal and Ceramic Science, Oxides, Silicon
assay   99.8%
surface area   175-225 m2/g

Description

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.

May contain adsorbed H2O and CO2 which is removable by calcining at >900°C

Packaging

100 g in poly bottle

500 g in poly drum

Price and Availability

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