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  • Black Silicon Carbide Polishing Abrasives - China

    price: contact company for price

    1. Description:

    ♦ The black silicon carbide is of high hardness,


    ♦ Chemical washed and water washed good cleanness.

    ♦ It has sharp knife-edge and friable character as well as

    good thermal conductivity and quick heat dissipation.

    ♦ Black silicon carbide is produced in an electric

    resistance furnace from quartz sand , petroleum coke and

    anthracite at high temperature.

    2. Applications

    ♦ Low tensile strength material. eg. glass, china.

    ♦ Ceramics, resin, rubber grinding wheel, refractory


    ♦ Sandblasting, dry grinding, free grinding as well as

    cutting and making jewelry, jade, agate.

    ♦ Grinding of gray cast iron, white cast iron, bronze,

    brass, ore, bone, glass, leather, rubber, plastic and the

    thermal sensitive material.

    3. Grit Size Available (P, F)

    P series: P24, P30, P36, P40, P50, P60, P80, P100, P120,

    P150, P180, P220, P240, P280, P320, P360, P400, P500, P600,

    P800, P1000, P1200, P1500, P2000, P2500, P3000

    F series: F14, F16, F22, F24, F30, F36, F40, F46, F54, F60,

    F70, F80, F90, F100, F120, F150, F180, F220, F230, F240,

    F280, F320, F360, F400, F500, F600, F800, F1000, F1200

    other special specification and other standard graded

    powder is available on request

    4.Chemical Analysis and Grain Size Distribution(F24--F220)

    F24 F36 F60 F80 F120 F180 F220

    SIC 98.48 98.46 98.6 98.6 98.5 98.5 98.5

    Fe2O3 0.32 0.31 0.28 0.32 0.26 0.31 0.33

    F.C. 0.16

    Coarse Grit 20 15 9 22 15 5.6


    Basal Grit 49 65 67 63 49 59.4


    Mixed Grit 76.5 84 90.2 77 82.5 81.4


    Fine Grit 0.3 0.1 0.3 0.5 0.4 0.5

    5. Chemical Analysis and Grain Size Distribution (F320-


    F320 F400 F600 F800 F1000 F1200

    SIC 98.5 98 97.55 97 97.24 97

    Fe2O3 0.4 0.4 0.36 0.4 0.25 0.4


    ds3 49 32 19 14 10 7

    ds50 29.2±1.5 17.3±1.0 9.3±1.0

    6.5±1.0 4.5±0.8 3.0±0.5

    ds95 16.5 8 3 2 1 1(80%)

    6. Primary Manufacturing Equipment

    Equipment catalog Quantity Equipment catalog


    16, 500 watts refining furnace 3 “star

    model”crusher 15

    22, 500 watts refining furnace 1 Raymond mill 2

    Jaw crusher 6 Ultrasonic sifting 20

    Induced draft ball mill 2 Acid/alkali cleaning tank


    Air flow classifier 15 Magnetic separator 8

    7. Manufacturer Brief

    Zhengzhou Yellow River (ZYR) Abrasive Co., Ltd, which was

    founded in 1976, is specialized in White Fused Alumina and

    black silicon carbide products. Our production runs under

    the certifications of GB, ISO, FEPA, and JIS. We offer

    various items depending on the demands of our customers.

    Currently, we have exported our products all over the

    world, such as Europe, the USA, India, and Japan, enjoying

    good reputation in machinery, metallurgy, light industry and

    other fields.

    If you have interesting on our product, please contact me!

    Company Contact:

    • Phone: 8637167624454

    • Address: E/18F BO.AO Building, Zhongyuan Road,, zhengzhou , China

    • Email: Email

    Published date: May 14, 2013 -

    • Business Description: Zhengzhou Yellow River Abrasives Co., Ltd. (ZYR), which was

      established in 1976, is a famous enterprise which takes abrasives as

      its key industry in China. We can supply types of abrasives, including

      black silicon carbide, green silicon carbide, white fused aluminum

      oxide, brown fused aluminum oxide; and the bonded abrasives, coated

      abrasives & super abrasives products. The specification and the

      standard are available on request.We produce the crude lumps with

      petroleum coke of good quality. And we own the laboratory certificated

      by China Commodity Inspection Quarantine Bureau. With the head office

      in Zhengzhou, ZYR has set up offices in Shanghai, Guangzhou, Shenzhen,

      etc. For about 30 years, our abrasives sell well in the country and in

      the market abroad such as European countries, U.S.A., India, Pakistan,

      Japan, Korea, etc. .

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