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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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