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Silicon Carbide

Commodity: Silicon Carbide

Bulk Density: 3.1-3.25g/cc

SiC Content: 97%-98%-99%


Detailed Introduction

Commodity: Silicon Carbide

Bulk Density: 3.1-3.25g/cc

Silicon carbide (SiC), also known as carborundum, The simplest process to manufacture silicon carbide is to combine silica sand and carbon in an Acheson graphite electric resistance furnace at a high temperature, between 1,600 °C (2,910 °F) and 2,500 °C (4,530 °F). Silicon carbide, exceedingly hard, Its chemical formula is SiC. Since the late 19th century silicon carbide has been an important material for sandpapers, grinding wheels, and cutting tools.


Abrasive and cutting tools

In the arts, silicon carbide is a popular abrasive in modern lapidary due to the durability and low cost of the material. In manufacturing, it is used for its hardness in abrasive machining processes such as grinding, honing, water-jet cutting and sandblasting.


Foundry crucibles

SiC is used in crucibles for holding melting metal in small and large foundry applications.


Steel production

Silicon carbide, dissolved in a basic oxygen furnace used for making steel, acts as a fuel. The additional energy liberated allows the furnace to process more scrap with the same charge of hot metal. It can also be used to raise tap temperatures and adjust the carbon and silicon content. Silicon carbide is cheaper than a combination of ferrosilicon and carbon, produces cleaner steel and lower emissions due to low levels of trace elements, has a low gas content, and does not lower the temperature of steel


Heating elements

Silicon carbide offered increased operating temperatures compared with metallic heaters. Silicon carbide elements are used today in the melting of glass and non-ferrous metal, heat treatment of metals, float glassproduction, production of ceramics and electronics components, igniters in pilot lights for gas heaters, etc.

Grade 1

SiC Content: 97%-98%-99%


Grade 2

SiC content: 85%-88%-90%

Size: 0-1mm/1-3mm/3-6mm/0-10mm/1-10mm/100f/200f/325f/

Grade 3

SiC content: 70%-75%

Size: 0-1mm/1-3mm/0-10mm/1-10mm/

Packing: In 1,000kg/1250kg jumbo bag. Or 20kg/25kg paper bag / PP bag, 50 bags into one jumbo bag.

Quantity: 20-25MT into 1x20’ FCL.

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