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Colloidal Silicon Dioxide
SiO2 60.08
 Silica [7631-86-9]

DEFINITION

Colloidal Silicon Dioxide is a submicroscopic fumed silica prepared by the vapor-phase hydrolysis of a silicon compound. When ignited at 1000° for 2 h, it contains NLT 99.0% and NMT 100.5% of SiO2.

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