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    Back Wollastonite
    Product introduction
    Wollastonite is natural calcium silicate mineral. Our this series have high aspect ratio, good reinforcement and sealing property, they are used to replace asbestos, fiber talc, glass fiber. This series products also are used in high polymer engineering   plastics, special plastics and chemical industry, friction materials, building materials and so on
    Product Specification
    Whiteness ≥ 80%
    Moh’s Hardness: 4.5 – 5.0
    L/D ratio: 15~25:1
    CaO ≥ 47%
    H2O ≤ 0.5%
    SiO2 ≥ 49%       
    Fe2O3 ≤0 .3%      
    Al2O3 ≤ 0.3%    
    MgO ≤ 0.5%