Product Information - Microsilica

Information

Filter dust, arising from the production of silicon or ferrosilicon metal.

Specification

Chemical analysis: SiO2: 85% to 98%, depending on the production process
pH value: 3,0 - 7,5
Colour: white to dark grey
Specific gravity: undensified: 250 - 400 kg/m3
densified: 450 - 750 kg/m3
Specific surface area: c. 15 m2/g
Loss of ignition: max. 2%
Particle size: average particle size: c, 0,15 µm
particles > 45 µm: <1,5%

Contact

Possehl Erzkontor GmbH & Co. KG
Beckergrube 38-52
23552 Lübeck

Phone:  +49 - (0) 451 - 148 0
Fax:  +49 - (0) 451 - 148 355