Description
Black Silicon Carbide #80 Grit is a fine-grade silicon carbide abrasive material produced from high-purity petroleum coke and silica sand through high-temperature electric furnace smelting, crushing, and advanced particle classification processes.
With excellent hardness, sharp angular grains, and stable abrasive performance, Black Silicon Carbide #80 Grit delivers efficient cutting ability while providing a smoother and more refined surface finish. Its fine particle size allows better processing control, making it suitable for applications requiring improved surface accuracy and consistent finishing results.
Compared with #70 Black Silicon Carbide Grit, #80 Black Silicon Carbide Grit features a finer grain structure and more uniform particle distribution, providing enhanced surface refinement and reduced surface roughness during grinding and finishing operations. It is widely used for precision grinding, fine abrasive blasting, coated abrasives, bonded abrasive tools, ceramics, stone finishing, refractory materials, and other industrial applications.
Due to its excellent wear resistance, thermal stability, and reliable cutting performance, Black Silicon Carbide #80 Grit is an ideal abrasive material for manufacturers requiring fine grinding and high-quality surface treatment solutions.
Key Features
High Hardness
Mohs hardness up to 9.2, providing excellent cutting ability, wear resistance and grinding efficiency.
High Abrasive Performance
Sharp crystal structure enables fast material removal and excellent grinding performance.
Good Thermal Stability
Maintains stable abrasive performance under high temperature working conditions.
Wide Application Range
Suitable for blasting, grinding, refractory and industrial surface treatment applications.
Available Sizes
- JIS Grit:#14, #16, #22, #24, #30, #36, #40, #46, #60, #70, #80, #90, #100, #120, #150, #180, #220, #240
- FEPA F Grit:F12, F14, F16, F20, F22, F24, F30, F36, F40, F46, F54, F60, F70, F80, F90, F100, F120, F150, F180, F220
- Customized Sizes:Customized particle sizes are available according to customer requirements for precision grinding, polishing and advanced industrial applications.
Applications
Abrasive Blasting
Used for surface cleaning, rust removal and preparation of metal, stone and other materials.
Grinding Wheels
Suitable for bonded abrasives, grinding tools and general abrasive applications.
Refractory Materials
Applied in refractory products due to excellent thermal stability and wear resistance.
Ceramics & Advanced Materials
Used for grinding ceramics, cemented carbide and engineering materials.
Technical Data
Physical Properties
| Item | Value |
|---|---|
| Appearance | Black Granular |
| Mohs Hardness | 9.2 |
| Bulk Density | 1.45–1.56 g/cm³ |
| True Density | 3.12 g/cm³ |
| Melting Point | 2250°C |
| Crystal Structure | Hexagonal |
| CAS No. | 409-21-2 |
| HS Code | 2849200000 |
Chemical Composition (%)
| Model | Particle Size | SiC | F.C. | Fe₂O₃ |
|---|---|---|---|---|
| C | F4–F90 | ≥98.80 | ≤0.15 | ≤0.15 |
| F100–F150 | ≥98.50 | ≤0.20 | ≤0.20 | |
| F180–F220 | ≥98.30 | ≤0.25 | ≤0.25 |
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