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  • Alibaba Wholesale Rubber Plastic And Painting Application Super Fine Or Surface Coated Wollastonite - China

    price: 500.00 Dollar US$

    1.Quick Details & chemical properties & Fiber Characters

    1st .Quick Details
    Other names: Calcium metasilicate
    Brand Name: Daye Jinpeng
    Place of Origin:Hubei, China
    Model Number: WFB5, WFB10, WFB14 WFC5, WFC10, WFC14, etc. .
    Color:White
    MF: CaSiO3
    hardness: 4.5
    Melting point 1540℃
    Coefficient of expansion: 6.5*10-6

    2nd.Chemical Properties :
    SiO2: 49%~51%
    CaO: 47%~49%
    Fe2O3: 0.5%max

    3rd.Fiber Characteristics :
    Average Laser-diffraction Particle Size (μm) D50 : from 3 to 23.1 μm
    Related Mesh Screen : 99%
    Bulk Density(Loose) : from 0.21(g/ml) to 0.30 (g/ml)

    3.Application and advantage :
    Wollastonite is applied in the rubber, plastic, coating, painting industry, etc..Optimum performance is created by properly matching the correct coupling agent at the right concentration level to the polymer system. Overall, the benefits of a surface modified wollastonite are improved physical properties, improved processing along with improved dispersion of the resin.
    The advantage of wollastoniteas below:
    A.In plastic industry:
    Featured with good wear resistance, thermal stability, insulation, low oil absorption, acicular shape, wollastonite plays an important role as fillings for plastic and rubber products:
    1. It increases wear and scratch resistance;
    2. It increases shock strength and enables the products to enjoy high electrical and thermal insulation;
    3. It increases thermal and dimensional stability;
    4. It increases surface finish quality;
    5. It largely substitutes for titanium pigment, clay, and lithopone for reinforcing, and increases hiding and whitening effect of white stain;
    6. When used in styrene-butadiene rubber, organically modified wollastonite can increases the tensile strength, tearing strength, elongation at break, wear resistance. The surface of organically modified wollastonite has lipophilicity, which improves its moistening and dispersion when used in nonpolar styrene-butadiene rubber. As sodium oleate molecules has double bond linkage, it can participates in vulcanization, strengthens crosslingking and reinforcing function.

    B. In painting and coating industry:
    Featured with good wear resistance, corrosion resistance and ultra-violet resistance, ultrafine wollastonite fiber, as functional filling, improves performance of paint products while reducing production cost.
    1. It substitutes for titanium pigment as inert pigment for overcurtaining and incrementation. It reduces production cost, increases film thickness so that the film is firm, and wear- and crack-resistant. It (also)
    adjusts the rheological properties of paint, such as thickening, deposition prevention.
    2. Owing to relatively high index of refraction, wollastonite plays the role of flatting agent in paint. It keeps paint color bright and purified, evenly distributed on the surface. Also owing to wollastonite’s high index of refraction, film or paint is able to obstruct visible light and ultraviolet radiation to have better ageing resistance and longer life expectancy.
    3. When used in poly propylene anti-corrosive paint, (the acicular structure of)wollastonite works to make paint show higher surface gloss and better water-proof corrosion, and buffers ph-value.
    4. With low expansion co-efficiency (coefficient), wollastonite can improve thermal stability of heat-resistant paint.
    5. With low oil absorption, wollastonite helps to reduce consumption of cementing substance.


    Company Contact:


    • Phone: 008613477981839

    • Address: No.42,Fengruoyun Block,Sidouliang Villedge,Jinhu Street,Daye City, huangshi, Hubei Province , China

    • Email: Email

    Published date: October 21, 2016 -

    • Business Description: Daye Jinpeng friction material co., Ltd is located at famous mining city Daye City which has one thousand mining culture and history.
      Rely on the rich mining resource and technical advantage ,Daye Jinpeng is specialized in Friction material, metallic material, chemical product, fiber product.Our product are Selenium-rich product,friction material,calcite,chalcopyrite,wollastonite,garnet sand,antimony sulfide,etc.
      And our product is extensively applied in many fields like plastics, rubber, friction , building and metallurgy.
      Base on the diversified product,favorable price, assured quality, and timely delivery, our products have been widely sold domestic and ouverseas. Warmly welcome you to cooperate with us.

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