99-99.99% Nano SiC powder 10000#20000#30000#
99-99.99% Nano SiC powder 10000#20000#30000# refers to extra-fine powder that particle size of nanometer. The SiC purity is up to 99% and 99.99%. The production process of nano silicon carbide is different from the Acheson method, but is synthesized through chemical reactions. Nano SiC powder has the characteristics of high strength, high hardness, and high purity. It is widely used in the fields of nanomaterials, grinding powders, special ceramics, composite materials, etc.
Characteristics of 99-99.99% Nano SiC powder
- High purity of silicon carbide. The purity of nano silicon carbide powder is higher than 99%, and the 99% -99.99% purity SiC are all available with customized production.
- Nano silicon carbide powder has high precision and can be produced from 30nm to 500nm.
- Both customized alpha SiC and beta SiC powder are available according to requirements.
- Nano SiC powder has stable chemical properties and high resistance to high temperature corrosion and acid alkali solvents.
- Nano silicon carbide powder has high hardness and superior wear resistance.
- Nano SiC powder has a high bandgap, as well as high critical breakdown electric field characteristics and high thermal conductivity.
Technical index of Nano SiC powder：
| crystal structure | Cubic | Hexagonal |
| Crystal phase | β | α |
| Melting point | 2700° | 2400° |
| Decomposition temperature | 2830°±40° | 2600° dissociate |
| Thermal expansion coefficient | 2.5-7 x10-6 /°C | 7-9 x10-6 /°C |
| Thermal conductivity | 0.255 W/cm K | 0.410 W/cm K |
| Mohs hardness | 9.5-9.75 | 9.4-9.5 |
| Vickers hardness (microhardness) | 3300-3500kg/mm2 | 3200-3400kg/mm2 |
| Band Gap | 2.2 eV | 2.86 eV |
| Relative permittivity | 9.72 ε | 9.66-10.03 ε |
| Electron mobility | ＞1000 | 460 |
Specifications:
| Spec. | Mean particle size | SiC content | Phrase | Color |
| β-SiC50nm | 50nm | 99% / 99.9% /99.99% | β-SiC | Dark green |
| β-SiC80nm | 80nm | 99% / 99.9% /99.99% | β-SiC | Dark green |
| β-SiC150nm | 150nm | 99% / 99.9% /99.99% | β-SiC | Dark green |
| β-SiC500nm | 500nm | 99% / 99.9% /99.99% | β-SiC | Gray green |
| β-SiC700nm | 700nm | 99% / 99.9% /99.99% | β-SiC | Gray green |
| β-SiC800nm | 800nm | 99% / 99.9% /99.99% | β-SiC | Gray green |
| β-SiC1um | 1um | 99% / 99.9% /99.99% | β-SiC | Green |
| β-SiC3um | 3um | 99% / 99.9% /99.99% | β-SiC | Green |
| β-SiC5um | 5um | 99% / 99.9% /99.99% | β-SiC | Green |
| β-SiC8um | 8um | 99% / 99.9% /99.99% | β-SiC | Green |
| β-SiC10um | 10um | 99% / 99.9% /99.99% | β-SiC | Green |
| α-SiC500nm | 500nm | 99% / 99.9% | α-SiC | Gray green |
| α-SiC700nm | 700nm | 99% / 99.9% | α-SiC | Gray green |
| α-SiC800nm | 800nm | 99% / 99.9% | α-SiC | Gray green |
| α-SiC1um | 1um | 99% / 99.9% | α-SiC | Yellow green |
| α-SiC3um | 3um | 99% / 99.9% | α-SiC | Yellow green |
| α-SiC5um | 5um | 99% / 99.9% | α-SiC | Yellow green |
| α-SiC8um | 8um | 99% / 99.9% | α-SiC | Yellow green |
| α-SiC10um | 10um | 99% / 99.9% | α-SiC | Yellow green |
*Other customized specifications are available upon request.
Application scenarios:
- Advanced grinding and polishing powders, especially in the semiconductor industry.
- Nano-composite materials such as modified resins, nano silicon carbide coatings, etc.
- Super capacitors.
- Catalysts and absorbent materials
- 3D printing materials
- High performance refractory materials
- Special advanced industrial ceramic materials
- Third generation wide bandgap semiconductors
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