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China Manufacturer High Purity Green Silicon Carbide Sic Powder 99% for Refractory Manufacturing Needs

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SIC22 90% 1-10mm-1.jpg
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Sic 90% Silicon Carbide Granules High Purity for Abrasive Grinding

Silicon Carbide (SiC) is a high-performance inorganic compound produced by high-temperature smelting of quartz sand, petroleum coke, and wood chips. Known for its exceptional hardness, thermal stability, and chemical resistance, it is widely used as an abrasive and advanced ceramic material.
In cast iron production, SiC decomposes into Si and C, increasing carbon content, enhancing reducibility, reducing furnace erosion, and promoting ferrite while preventing carbide precipitation. It delivers denser structure, better machinability, and bright cutting surfaces. In nodular iron, it boosts nodule count, improves spheroidization, and effectively eliminates shrinkage and subsurface defects.

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    Product Detail

    Sic 90% Silicon Carbide Granules High Purity for Abrasive Grinding

    Silicon carbide was fused by heating high purity silicon sand and carbon in electrode furnace above 2500 0C. It is the hardest blasting media available. High-quality silicon carbide media is manufactured to a blocky grain shape that splinters. The resulting silicon carbide abrasives have sharp edges for blasting. Silicon carbide  has a very fast cutting speed and can be recycled and reused many more times than sand. The hardness of silicon carbide allows for much shorter blast times relative to softer blast media.

    TYPICAL CHEMICAL ANALYSIS

     

    Purpose

    Specification

    Chemical Composition(%)

    Magnetic material content(%)max

    Abrasives grade

    SICmin

    F.Cmax

    Fe2O3max

    grain

    12-80

    98

    0.20

    0.6

    0.0023

    90-150

    97

    0.30

    0.8

    0.0021

    180-220

    97

    0.30

    1.2

    0.0018

    micropowder

    240-4000

    96

    0.35

    1.35

    -

    Refractory grade

    Group Size

    0-1mm

    1-3mm

    3-5mm

    5-8mm

    97

    0.35

    1.35

    -

    Fine Powder

    -180mesh

    -200mesh

    -240mesh

    -320mesh

    97

    0.35

    1.35

    -

    color

    Black

              Hardness(mohs)

    9.15

    Melting point(ºC)

    2250

    Maximum service temperature(ºC)

    1900

    Ture density(g/cm3)

    3.9


    PHYSICAL PROPERTIE

    Color Black 
    Shape Angular
    Crystal Form Alpha silicon carbide in hexagonal system
    Specific Gravity 3.92
    Hardness  2750 kg/mm, 9.2 Mohs scale
    Magnetic Material 0.0065%

    BULK DENSITY

    Grit(F) g/cm3 Grit(F) g/cm3 Grit(F) g/cm3 Grit(F) g/cm3
    12 1.56 30 1.54 60 1.52 120 1.44
    14 1.56 36 1.54 70 1.50 150 1.42
    16 1.56 40 1.54 80 1.48 180 1.39
    20 1.55 46 1.54 90 1.47 220 1.38
    24 1.55 50 1.54 100 1.46