Silicon Carbide

DescriptionSilicon carbide (SiC) is made of quartz sand, petroleum coke (or coal coke), wood chips (salt is needed to produce green silicon carbide) and other raw materials through high temperature smelting resistance furnace.Silicon carbide is also a rare mineral in nature, mosanite. Silicon carbide is also known as carbonosilicate. ln contemporary C, N, B and other non-oxide high technology refractory raw materials, silicon carbide is the most widely used, and the most economic one.Usage and advantagesFour main applications of silicon carbide: functional ceramics, advanced refractories, abrasives and metallurgical raw materials. Silicon carbide coarse material can be supplied in large quantities, so it is not a high-tech product. However, the application of nanometer silicon carbide powder with high technical content is unlikely to form economies of scale in a short time.As an abrasive, can be used to produce abrasive tools, such as grinding wheel, whetstone, grinding head, sand tile class.Used as a metallurgical deoxidizer and high temperature material.High purity single crystal, can be used in the manufacture of semiconductors, the manufacture of silicon carbide fiber. The Main Chemical CompositionProduct gradesChemical composition%SicFree CarbonFe203≥≤Sic 98.5 98.50.20.6Sic 98 980.30.8Sic 97 970.31.0Sic 95 950.41.0Sic 90 900.61.2...

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Description

Silicon carbide (SiC) is made of quartz sand, petroleum coke (or coal coke), wood chips (salt is needed to produce green silicon carbide) and other raw materials through high temperature smelting resistance furnace.Silicon carbide is also a rare mineral in nature, mosanite. Silicon carbide is also known as carbonosilicate. ln contemporary C, N, B and other non-oxide high technology refractory raw materials, silicon carbide is the most widely used, and the most economic one.

Usage and advantages

Four main applications of silicon carbide: functional ceramics, advanced refractories, abrasives and metallurgical raw materials. Silicon carbide coarse material can be supplied in large quantities, so it is not a high-tech product. However, the application of nanometer silicon carbide powder with high technical content is unlikely to form economies of scale in a short time.

As an abrasive, can be used to produce abrasive tools, such as grinding wheel, whetstone, grinding head, sand tile class.

Used as a metallurgical deoxidizer and high temperature material.

High purity single crystal, can be used in the manufacture of semiconductors, the manufacture of silicon carbide fiber.

The Main Chemical Composition

Product grades	Chemical composition%
	Sic	Free Carbon	Fe203
	≥	≤
Sic 98.5	98.5	0.2	0.6
Sic 98	98	0.3	0.8
Sic 97	97	0.3	1.0
Sic 95	95	0.4	1.0
Sic 90	90	0.6	1.2

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