1 offer from 26 99.
Green silicon carbide.
Silicon carbide is produced by heating silica sand and a carbon source typically petroleum coke to high temperatures in a large open acheson furnace.
Green silicon carbide sic is an extremely hard mohs 9 4 2600 knoop man made mineral that possesses high thermal conductivity and high strength at elevated temperatures at 1000 c sic is 7 5 times stronger than al 2 o 3 sic has a modulus of elasticity of 410 gpa with no decrease in strength up to 1600 c and it does not melt at normal pressures but instead dissociates at 2600 c.
Hexagonally shaped it breaks into very sharp particles.
Silicon carbide is an extremely hard material mohs hardness 9 25 is chemically inert and does not melt.
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Carborex green is a high purity semi friable medium density virgin green silicon carbide.
Silicon carbide has a high thermal conductivity a low coefficient of thermal expansion is thermal shock and abrasion resistant and has strength at high temperatures.
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Black will range in purity from 97 99 pure depending on grit size.
The result of this high temperature process is the crystalline formation of silicon carbide grains of both green and black coloring.
Green silicon carbide is produced at high temperature in an electric resistance type furnace with quarts sand and petroleum coke added industrial salt.
Super powder of it is also a kind of ceramics material.
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Green sic is made from silica sand and coke and is extremely pure.
Our green sic is 99 5 pure exceeding jis iso fepa standards.
Silicon carbide sic also known as carborundum k ɑːr b ə ˈ r ʌ n d əm is a semiconductor containing silicon and carbon it occurs in nature as the extremely rare mineral moissanite synthetic sic powder has been mass produced since 1893 for use as an abrasive grains of silicon carbide can be bonded together by sintering to form very hard ceramics that are widely used in applications.
Black sic will contain some free silicon and carbon and thus is not as pure as green sic.