Wollastonite is a naturally occurring white mineral, with hardness of 4 to 5 Mho. Wollastonite is alkaline, inert, has low loss on ignition, low water solubility. It also improves tear strength, dielectric properties and retains mechanical properties at elevated temperatures.
SiO2
46.5%
CaO
45.5%
MgO
0.88%
Fe2O3
0.78%
Al2O3
0.75%
Specific Gravity
2.8
Hardness
4 to 5 Mho
Industrial Applications
Dolomite is widely used in various industries as follows:
The single largest use of wollastonite is in the ceramics industry where it is used as a principal ingredient in the ceramic bodies required for the manufacture of floor and wall tiles.
It is used as a filller in paint and paper and many other products.
In metallurgy, it is used as a welding rod coating, to control the viscosity of the slag and alloying agents.
We offer Wollastonite Powder as per specification.