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

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

Green Silicon Carbide Sic Powder 99% Min for Refractory Use
Supply The Lowest Price of Green Silicon Carbide 120#

Supply The Lowest Price of Green Silicon Carbide 120#
High-Purity Green Silicon Carbide Micropowder Compliant with Fepa and JIS Standards

High-Purity Green Silicon Carbide Micropowder Compliant with Fepa and JIS Standards
High Purity 98.5% Silicon Carbide Powder for Polishing Green Silicon Carbide for Refractory Factory

High Purity 98.5% Silicon Carbide Powder for Polishing Green Silicon Carbide for Refractory Factory
china manufacturer self baking soderberg paste for ferro alloy

china manufacturer self baking soderberg paste for ferro alloy
High Carbon Columnar Recarburizer 95%

High Carbon Columnar Recarburizer 95%
Columnar Graphite Recarburizer Carbon Additive Used in Foundry Industry

Columnar Graphite Recarburizer Carbon Additive Used in Foundry Industry
High Carbon Synthetic Graphite Powder

High Carbon Synthetic Graphite Powder
Columnar Recarburizer Fixed Carbon 96% 3mm 4mm 5mm for Cast Iron

Columnar Recarburizer Fixed Carbon 96% 3mm 4mm 5mm for Cast Iron
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Sic 90% Industrial Silicon Carbide Granules for Durable Grinding Applications

Silicon Carbide (SiC) is a high-performance inorganic compound with the chemical formula SiC. Silicon Carbide is produced through high-temperature smelting in a resistance furnace, using premium raw materials including quartz sand, petroleum coke (or coal coke), and wood chips as a reducing agent. Renowned for its exceptional hardness, thermal stability, and chemical resistance, Silicon Carbide stands as one of the most versatile and widely applied synthetic abrasives and advanced ceramic materials in modern industry today.

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    Sic 90% Industrial Silicon Carbide Granules for Durable Grinding Applications

    Silicon carbide includes black silicon carbide and green silicon carbide, among which: black silicon carbide is made of quartz sand, petroleum coke and high-quality silica as the main raw materials, which are smelted at high temperature in a resistance furnace. Its hardness is between corundum and diamond, its mechanical strength is higher than corundum, and it is brittle and sharp. Green silicon carbide is made from petroleum coke and high-quality silica as the main raw material, adding salt as an additive, and smelted at high temperature in a resistance furnace. Its hardness is between corundum and diamond, and its mechanical strength is higher than that of corundum.

    Black Silicon Carbide is brittle and sharp. It has a good electrical and heat conductivity. Its Knoophandness is 3100-3280kg/mm2. 

    Green Silicon Carbide is a synthetic brittle carborundum with high thermal conductivity and high strength which get no decrease in 1000ºC( 7.5 times stronger than Alumina)

    Green silicon carbide is characterized by extreme hardness (Mohs 9.4/2600 Knoop) which only ranks after CBN and B4C.

    The abrasives made of silicon carbide are suitable for working on cast iron,non-ferrous metal,rock, leather,rubber,etc.It is also broadly used as refractory material and metallurgical additive.

     

    Black Silicon Carbide 
    Item SiC Fe2O3 Free Carbon SiO2
    SiC97 ≥97% ≤1.0% ≤0.5% ≤1.5%
    SiC95 ≥95% ≤1.5% ≤1% ≤2.5%
    SiC92 ≥92% ≤2.0% ≤2.5% ≤3.5%
    SiC90 ≥90% ≤2.5% ≤3% ≤4.0%
    Green Silicon Carbide 
    SiC99 ≥99% ≤0.2% ≤0.2% -