Silica Fume Microsilica SF-90

CAS 69012-64-2

In Stock

MOQ

500 kg

Lead Time

5–10 days

Packaging

25 kg bags

Specifications

Bulk density200–400 g/l
SiO2 Content≥90%
Surface area15–25 m²/g
Particle size0.1–0.2 μm

FAQ

No. Microsilica (silica fume) is a byproduct of silicon metal production, with surface area 15–25 m²/g. Fumed silica (Aerosil) is produced by vapor phase hydrolysis with 150–400 m²/g surface area and much stronger thickening effect.

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