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    Black SiC Powder 5um for anti-thermal material

    Black SiC Powder 5um for anti-thermal material is a fine silicon carbide powder with high refractorieness, good thermal stability and anti-corrision material.  It’s an ideal addtives for anti-thermal applications such as battery packing, anti-fire material, etc.

    $2,850.00 – $3,000.00 / MT

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    Black SiC Powder 5um for anti-thermal material

    Black SiC Powder 5um for anti-thermal material is a fine silicon carbide powder with high refractorieness, good thermal stability and anti-corrision material.  It’s an ideal addtives for anti-thermal applications such as battery packing, anti-fire material, etc.

    Black SiC 5um

    Black SiC Powder 5um for anti-thermal material Properties:

     

    1. Strong high-temperature chemical stability and corrosion resistance. Silicon carbide has very stable performance in temperature environments below 1000 ° C. When stable above 1000 ° C, a layer of silicon dioxide film forms on the surface of silicon carbide, which can still maintain stable physical and chemical properties of silicon carbide. The oxidation resistance of silicon carbide will only decrease when the temperature reaches above 1627 ° C.
    1. Superior thermal conductivity.The thermal conductivity of silicon carbide at room temperature is 60-200 W/(M · K). The theoretical thermal conductivity (thermal conductivity) of pure silicon carbide is 490 W/(M · K), which is higher than the thermal conductivity of most steel, copper, and aluminum. The thermal conductivity of the silicon carbide ceramic parts made is 120-170 W/(M · K). Has good thermal conductivity.
    1. Silicon carbide has a lower coefficient of thermal expansion and thermal shock resistance.At a temperature of 25-1400℃, the average coefficient of thermal expansion of silicon carbide is 4.4×10-6/℃, which is lower than that of refractory materials made of aluminum oxide.
    1. High hardness, toughness and wear resistance.Mohs scale hardness of black silicon carbide is 9.2-9.3, Mohs scale hardness of green silicon carbide is 9.4-9.5, and Vickers hardness is 3100-3400kg/mm2. The hardness of silicon carbide will also decrease with the increase of temperature. At a high temperature of 1200 degrees, the hardness of silicon carbide can reach twice that of aluminum oxide.
    1. High toughness. The toughness of silicon carbide abrasives refers to the difficulty of crushing under external forces. Taking 46 mesh as an example, the toughness tested by static pressure method is approximately 68-78%. The mechanical strength of silicon carbide is higher than that of corundum. Taking 120 mesh particle size as an example, the compressive strength of silicon carbide is 186KN/cm2, and the compressive strength of corundum abrasive is 100KN/cm2.
    1. Uniform particle size. The particle size range is narrow, with good fluidity and dispersibility.
    1. High cleanliness. Low free carbon content, and low impurities.

     

    Black SiC Powder 5um for anti-thermal material Applications:

    • Engine oil lubricating additives.
    • Diesel engine oil.
    • Anti-corrosion coating paint additives.
    • Modified resin coating additives, etc.
    • Flame retardant materials for automotive batteries
    • Aerogel flame retardant materials

     

    TYPICAL CHEMICAL ANALYSIS
    SiC≥98%
    SiO2≤1%
    H2O3≤0.5%
    Fe2O3≤0.3%
    F.C≤0.3%
    Magnetic content≤0.02%
    TYPICAL PHYSICAL PROPERTIES
    Hardness:Mohs:9.2
    Melting Point:dissociated at about 2300 °C
    Maximum service temperature:1900℃
    Specific Gravity:3.2-3.45 g/cm3
    Bulk density(LPD):1.2-1.6 g/cm3(depends on the size)
    Color:Black
    Particle shape:Hexagonal
    Modulus of Elasticity58-65×106 psi
    Coefficient of Thermal Expansion3.9-4.5 x10-6/ ℃
    Thermal Conductivity71-130 W/MK

     

    Available sizes:

     

    JIS Grit SizeD0(Micron)D3(Micron)D50(Micron)D94(Micron)
    240#≤ 127≤ 10357.0±3.0≥ 40
    280#≤ 112≤ 8748.0±3.0≥ 33
    320#≤ 98≤ 7440.0±2.5≥ 27
    360#≤ 86≤ 6635.0±2.0≥ 23
    400#≤ 75≤ 5830.0±2.0≥ 20
    500#≤ 63≤ 5025.0±2.0≥ 16
    600#≤ 53≤ 4120.0±1.5≥ 13
    700#≤ 45≤ 3717.0±1.5≥ 11
    800#≤ 38≤ 3114.0±1.0≥ 9.0
    1000#≤ 32≤ 2711.5.±1.0≥ 7.0
    1200#≤ 27≤ 239.5±0.8≥ 5.5
    1500#≤ 23≤ 208.0±0.6≥ 4.5
    2000#≤ 19≤ 176.7±0.6≥ 4.0
    2500#≤ 16≤ 145.5±0.5≥ 3.0
    3000#≤ 13≤ 114.0±0.5≥ 2.0
    4000#≤ 11≤ 8.03.0±0.4≥ 1.8

     

    Black SiC Powder 5um for anti-thermal material Production:

    Black SiC Powder 5um for anti-thermal material Package:

     

    The latest news:

    How to remove free carbon residue from green silicon carbide powder?

    Reviews

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