Black Silicon Carbide
Black Silicon Carbide
Black Silicon Carbide is the product of silicon quartz sand and petroleum coke electrofused at high temperature in an electrical resistance furnace. The grains of Black Silicon Carbide are hexagonal crystals that are extremely hard, sharp, and friable, and have outstanding electrical and thermal conductivity and low thermal expansion.
Black Silicon Carbide Abrasive
Black Silicon Carbide is the product of silicon quartz sand and petroleum coke electrofused at high temperature in an electrical resistance furnace. The grains of Black Silicon Carbide are hexagonal crystals that are extremely hard, sharp, and friable, and have outstanding electrical and thermal conductivity and low thermal expansion.
Chemical Composition
| Specification | #12 - #90 | #100 - #180 | #240 | #500 | #320 | #1500 | #800 | #220 | #280 | #1200 | #600 | #400 | #2000 | #1000 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SiC | ≥ 98.50% | ≥ 98.00% | ≥ 98.50% | ≥ 98.00% | ≥ 98.50% | ≥ 98.00% | ≥ 98.00% | ≥ 97.50% | ≥ 98.50% | ≥ 98.00% | ≥ 98.00% | ≥ 98.00% | ≥ 97.50% | ≥ 98.00% |
| Free C | ≤ 0.20% | ≤ 0.20% | ≤ 0.18% | ≤ 0.20% | ≤ 0.18% | ≤ 0.20% | ≤ 0.20% | ≤ 0.30% | ≤ 0.18% | ≤ 0.20% | ≤ 0.20% | ≤ 0.18% | ≤ 0.20% | ≤ 0.20% |
| Fe2O3 | ≤ 0.20% | ≤ 0.20% | ≤ 0.19% | ≤ 0.20% | ≤ 0.19% | ≤ 0.20% | ≤ 0.20% | ≤ 0.30% | ≤ 0.19% | ≤ 0.20% | ≤ 0.20% | ≤ 0.19% | ≤ 0.20% | ≤ 0.20% |
| pH value | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 | 6 - 7.5 |
| Bulk Density | 1.26 | 1.20 | 1.23 | 1.20 | 1.23 | 1.12 | 1.18 | 1.26 | 1.20 | 1.13 | 1.20 | 1.23 | 1.00 | 1.15 |
| Magnetic | 0.010 | 0.015 | 0.010 | 0.015 | 0.010 | 0.005 | 0.008 | 0.005 | 0.010 | 0.005 | 0.015 | 0.015 | 0.005 | 0.008 |
Applications
Abrasives: Used in the manufacture of bonded and coated abrasive products.
Grinding: Particularly for non-ferrous metals and other tough, hard materials.
Blasting: Particularly for very hard surfaces, removal of heavy rust, and fast etching of glass and stone.
Lapping and Polishing: For surface treatment of metals, stone, glass, and ceramics, among others.
Automobile Parts: Used to produce extremely heat-tolerant parts, such as brake pads for high-performance automobiles.
Roadways and Flooring: Used to add slip-resistance to pavement and industrial flooring.
Granularity Distribution
| Grains | D0 | < D94 | > D3 | < D50 |
|---|---|---|---|---|
| #240 | 120.0 | 100.0 | 57.0 ± 3.0 | 40.0 |
| #500 | 60.0 | 48.0 | 25.0 ± 2.0 | 16.0 |
| #320 | 95.0 | 70.0 | 40.0 ± 2.5 | 27.0 |
| #1500 | 19.0 | 17.0 | 8.0 ± 0.6 | 4.5 |
| #800 | 30.0 | 20.0 | 14.0 ± 1.0 | 9.0 |
| #280 | 110.0 | 80.0 | 48.0 ± 3.0 | 33.0 |
| #1200 | 20.0 | 18.0 | 9.5 ± 1.0 | 5.5 |
| #600 | 50.0 | 38.0 | 20.0 ± 1.5 | 13.0 |
| #400 | 70.0 | 55.0 | 30.0 ± 2.0 | 20.0 |
| #2000 | 17.0 | 15.0 | 6.7 ± 0.6 | 4.0 |
| #1000 | 25.0 | 19.0 | 11.5 ± 1.0 | 7.0 |
Grits Available
F12 to F220; P16-P220; #240 to #4000
In accordance with the current FEPA / JIS / ANSI sieve standards. Other sizes available on request.
Important: The technical data herein is believed to be accurate. It is offered for your consideration, investigation, and verification. Buyer assumes all risk of use, storage, and handling of the product.
Black Silicon Carbide
Black Silicon Carbide is the product of silicon quartz sand and petroleum coke electrofused at high temperature in an electrical resistance furnace. The grains of Black Silicon Carbide are hexagonal crystals that are extremely hard, sharp, and friable, and have outstanding electrical and thermal conductivity and low thermal expansion.
Grits Available
mm: 0-1, 1-3, 3-5, 0-10, 1-10
Mesh: 0-25, -100, -180, -200, -325
In accordance with the current FEPA / JIS / ANSI sieve standards. Other sizes available on request. Other specifications, such as for SiC 75% or SiC 70%, are available on request.
Specification
| Grade | SiC | Fe2O3 | Free C | SiO2 |
|---|---|---|---|---|
| SiC 98 | ≥ 98% | ≤ 0.3% | ≤ 0.3% | ≤ 0.3% |
| SiC 95 | ≥ 95% | ≤ 0.8% | ≤ 0.8% | ≤ 0.8% |
| SiC 90 | ≥ 90% | ≤ 2.5% | ≤ 2.5% | ≤ 2.5% |
| SiC 88 | ≥ 88% | ≤ 3.0% | ≤ 3.0% | ≤ 3.0% |
Applications
Due to its excellent thermal conductivity and high strength (much higher than Aluminum Oxide Al2O3), Black Silicon Carbide is excellent for use in a wide array of high-temperature applications.
- Refractories: Used in the manufacture of refractories, kiln furniture, bricks, electric heating elements, and high-performance automobile braking systems.
- Metal Foundries: Used as a metallurgical additive and to create other special refractory shapes and crucibles.