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Brief Introduction of Our Products Wollastonite
The formula of Wollastonite is CaSiO3. The ideal chemical specifications are as followed:SiO2 51.75% ,CaO 48.25%,Heated-Swelling,Coefficient:6.5×10-6°C-1,Moh’s Hardness 4.5-5.0,Density 2.8,melting Point 1540°C,Refraction Index 1.62 ,The actual chemical specifications are as followed:SiO241-53%, CaO:38-48%,Fe2O3:1.0%max,MgO:2.0%max,Al2O3:1%max,S,P:0.1%maz
Wollastonite product key indicators: | |||||||
NO.1 | SiO2≥49% | CaO≥44% | Fe2O3≤0.3% | LOI≤2% | White≥90 | Size:400 MESH | |
NO.2 | SiO2≥45% | CaO≥40% | Fe2O3≤0.8% | S≤0.04% | P≤0.04% | Size:325 MESH | |
NO.3 | SiO2≥30% | CaO≥40% | Fe2O3≤0.5% | White≥91 | Size:200 MESH | ||
NO.4 | SiO2≥41% | CaO≥39% | Fe2O3≤0.5% | LOI≤8% | Size:180 MESH | ||
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Wollastonite
