BLACK SILICON CARBIDE

1. Description:

    Black silicon carbide is produced at high temperature in an electric resistance type

    furnace with quarts sand and petroleum coke as its main raw materials. Its hardness

    is between fused alumina and synthetic diamond. Mechanical intensity of it is higher

    than fused alumina. It is sharp and has electrical and heat conductivity in some

    degree.

2. Application:

    ♦As the abrasive: used for abrasive, such as grinding wheels, whetstone, grinding

      wheel, sand tiles etc.

    ♦As the metallurgical deoxidizer and high temperature material.

      Four main application areas of SiC: functional ceramics, advanced refractory,

      abrasives and metallurgical materials.

   ♦High purity single crystal, used to manufacture semiconductors, manufacture of

     silicon carbide fibers.

   ♦Silicon carbide is very hard, with excellent thermal conductivity, as a semiconductor

     and high temperature resistant to oxidation.

3. Partical Size:

   ♦Lumps: ***0mm, ***0mm.

   ♦Grains: **1mm, **3mm, **5mm, **8mm, ***0mm, ***0mm, etc.

                 7/*4, *4/*0, *6/*0, etc.

                ***0mesh, ***0mesh, ***5mesh, etc.

   ♦Grits: F****0, F******0.

   ♦Micropowder: F*******0.

4. Specification

   SIC*8.5%, SIC*8%, SIC*7%, SIC*5%,SIC*0%, SIC*8%, SIC*5%, SIC*0%,

   SIC*5%, SIC*0%, SIC*5%, SIC*5%, SIC*0%

GREEN SILICON CARBIDE

1. Description:

   It is produced in electric resistance furnace from quartz sand, petroleum coke and salt in high temperature.

   Its semi-transparent in green color with crystal structure, high hardness and strong cutting ability, stable

   chemical characteristics, good thermal conductivity.

2. Applications:

   ♦Aerospace

   ♦Blasting

   ♦Coatings

   ♦Composites

   ♦Compounds

   ♦Honing Stones

   ♦Kiln Furniture

   ♦Lapping

   ♦Photovoltaic and solar energy

   ♦Polishing

   ♦Refractories

   ♦Silicon, Quartz

   ♦Vitrified and Resinoid Grinding Wheels

   ♦Wire Sawing Silicon, Quartz

3. Typical Chemical Analysis:

    SiC *9%min

    Free Carbon 0.*0%max

    Fe2O3 0.*0%max

4. Physical Properties:

   Color : Green

   Shape : Angular

   Crystal Form Alpha silicon carbide in hexagonal system

   Specific Gravity : 3.*0

   Hardness : HV********0, 9.*5 Mohs scale