Metallurgy industrial grade wollastonite powder for steel slag
Brief description of Our Products Wollastonite：
The formula of Wollastonite is CaSiO3. The ideal chemical specifications are as followed:
SiO2 51.75%
CaO 48.25%
Fe2O3(%) 0.2
Al2O3(%) 0.25
MgO(%) 1.5
Loss on Ignition % 2.5%---3%
Heated-Swelling
Coefficient:6.5×10-6℃-1
Moh’s Hardness 4.5-5.0
Density 2.8
melting Point 1540℃
Refraction Index 1.62
The actual chemical specifications are as followed:
SiO2 41-53%
CaO 38-48%
Fe2O3 1.0%max
MgO 2.0%max
Al2O3 1%max
S,P 0.1%maz We use the micronized jet mills imported from abroad to produce all kinds of minerals powder from 600 mesh to 2500 mesh.. The retention of these products is 8%min. Our Products have earned good reputation both inside and outside. The micronized products are mainly used in high-class panints industry, paper-making industry, engineering plastics industry, glaze, etc. to replace talc, ZnO to reduce the cost.
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