Product Information - Wollastonite

Information

Natural calcium silicate

Specification

Mineralogy: Ca3[Si3O9]
Acid solubility: soluble in hydrochloric acid
Colour: white, rarely yellowish
Particle shape: acicular, fibrous
Specific weight: c. 2,8 - 2,9 g/cm3
Specific gravity: c. 0-5 - 0,8 g/cm3
Melting point: c. 1540°C
MOHS hardness: c. 4,5
Grain size: 100 to 1250 mesh, based on application

Applications

Due to the high melting point and the fibrous texture wollastonite is used as a replacement raw material for asbestos. In addition wollastonite is an excellent and functional filler with reinforcing properties in various industrial applications.

Contact

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

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