WOLLASTONITE POWDER
Wollastonite powder is natural calcium silicate mineral. It is white crystalline powder, needle-like granules, with pearl and glass luster and good whiteness Melting temperature 1540 ? , Mohs hardness is 4.5-6.0, Density 2.87-3.09, low heat swelling and low loss on ignition.
Technical Specifications
Items - Inspection results
Appearance - white crystalline powder
Whiteness - 90-94
SiO2 - 48-51%
CAO - 47%
AL2O3 - <1%
Fe% - <0.5%
MGO - <0.5%
Loss on ignition % - 1.8-2%
PH value - 7-9
Moisture - 0.3%
Mesh - 325
Packaging
As per customer requirement.
Features of Wollastonite Powder
It also offers varied useful properties that include its high brightness and whiteness, low volatile content, low moisture, and oil absorption.
Applications of Wollastonite Powder
Used in plastics or rubber to improve the tensile strength and flexural strength, heat performance and surface color and reducing costs.
Used as reinforcing filler in paint to improve the paint's physical and chemical performance, durability and weather durability, reduce the paint's fault and aging.