High Purity Natural Wollastonite Lump For Industral Using With Good Quality
SiO2 | CaO | Fe2O3 | LOI | Size |
50% Min | 46% Min | 0.20% Max | 2.0% Max | 100-500mm |
47.5% Min | 44.5% Min | 0.30% Max | 3.0% Max | 100-500mm |
47.5% Min | 42% Min | 0.35% Max | 4.0% Max | 100-500mm |
50% Min | 40% Min | 0.50% Max | 4.5% Max | 100-500mm |
52% Min | 35% Min | 0.60% Max | 5.0% Max | 100-500mm |
The chemical formula of wollastonite is CaSiO3, the structure of [1] is Ca3[Si3O9], and the theoretical chemical
composition is CaO 48.25% and SiO2 51.75%.
Properties:
Wollastonite is a natural mineral, calcium-metasilicate(CaSiO3). The unique properties of high whiteness, natural brilliant acicular particle shape, homogenous quality. etc.
Applications: Paper making, Ceramic, rubber additive, PE(plastic), paint and coating.
Besides the industrial usage, Wollastonite is used for metallurgy .