SiC powder 800 grit 98.5-99% Silicon carbide powder
SiC powder 800 grit 98.5-99% Silicon carbide powder features high purity ranging from 98.5% to 99%. With uniform particle size distribution and sharp, stable crystalline structure, it delivers consistent cutting and grinding performance.
This SiC powder boasts high hardness, excellent thermal conductivity and chemical inertness. It resists oxidation and corrosion under harsh working conditions, suitable for precision surface grinding, lapping and polishing of hard alloys, ceramics, glass and non-ferrous metals.
It can also be used as raw material for manufacturing advanced abrasives, refractory products and functional composite fillers. Strict particle size control ensures low surface roughness after processing and stable batch quality for industrial mass production.
Feature of SiC powder 800 grit 98.5-99% Silicon carbide powder
- High hardness with Mohs 9.2-9.3. Even at 2000℃, it still gets high strength.
- Good oxidation resistance and chemical stability at high temperatures.
- High thermal conductivity and low thermal expansion rate.
- High SiC purity and cleanness with low impurity and low magnetics.
- Bulk density with normal level and high level.
- Particle size consistency.
Typical physical properties of SiC powder 800 grit 98.5-99% Silicon carbide powder
| Chemical composition | SiC:98-99.2% |
| Mohs Hardness: | 9.2-9.3 |
| Vicker hardness: | 2940-3200kg/mm2 |
| Specific Gravity: | 3.15-3.20 g/cm3 |
| Bulk density(LPD depends on the size): | 0.8-1.5 g/cm3 |
| Melting Point: | dissociated at about 2300 °C |
| Maximum service temperature: | 1900℃ |
| Particle shape: | Hexagonal |
| Modulus of Elasticity | 58-65×106 psi |
| Coefficient of Thermal Expansion | 3.9-4.5 x10-6 /°C |
| Thermal Conductivity (at 25°C) | 70-130 W/M·K |
| Raw material | Petroleum coke, quartz sand |
PSD chart of SiC powder 800 grit 98.5-99% Silicon carbide powder
Typical chemical composition of SiC powder 800 grit 98.5-99% Silicon carbide powder
| Grade | ds50-value in μm | Typical Chemical Composition(%) | ||
| SiC | FC | Fe2O3 | ||
| F 230 (P280#) | 53.0 ± 3 | 99.4 | 0.1 | 0.06 |
| F 240 (P320#) | 44.5 ± 2 | 99.4 | 0.11 | 0.05 |
| F 280 (P360#) | 36.5 ± 1.5 | 99.4 | 0.12 | 0.06 |
| F 320 (P400#) | 29.2 ± 1.5 | 99.3 | 0.06 | 0.05 |
| F 360 (P600#) | 22.8 ± 1.5 | 99.2 | 0.15 | 0.05 |
| F 400 (P800#) | 17.3 ± 1 | 99.1 | 0.08 | 0.05 |
| F 500 (P1200#) | 12.8 ± 1 | 98.67 | 0.06 | 0.06 |
| F 600 (P1500#) | 9.3 ± 1 | 98.62 | 0.05 | 0.07 |
| F 800 (P2500#) | 6.5 ± 1 | 98.66 | 0.11 | 0.05 |
| F 1000 (P4000#) | 4.5 ± 0.8 | 98.63 | 0.13 | 0.07 |
| F 1200 (P5000#) | 3.0 ± 0.5 | 98.59 | 0.17 | 0.08 |
Application of SiC powder 800 grit 98.5-99% Silicon carbide powder
1. Grinding and polishing: For grinding and polishing of metal, aluminum alloy, and copper products, as well as glass, crystal, stone, and jade.
2. Abrasive products: Produce various coated abrasives such as abrasive paper, abrasive belts, nylon polishing wheels, silicon carbide grinding brushes, sponge polishing blocks, and bonded abrasives such as steel paper sand discs, fluid abrasives, oil stones, grinding stones, diamond grinding wheels, etc.
3. Silicon carbide ceramics: silicon carbide ceramic filters, silicon carbide ceramic membrane tubes, silicon carbide wear-resistant products, silicon carbide ceramic water pumps, bends, silicon carbide wear-resistant plates, etc.
4. Composite materials: foam glass, modified epoxy resin, lubricating oil, anti-corrosion mastic, high-temperature resistant paint and other materials are added.
5. Wear-resistant products: brake pads, wear-resistant sandpaper, PTFE coating, wear-resistant fiberglass filler additive materials.
Production details of SiC powder 800 grit 98.5-99% Silicon carbide powder
Packing of SiC powder 800 grit 98.5-99% Silicon carbide powder
- 25 kgs/PVC Bag with plastic inner bag.
- 1MT /Jumbo Bag
- 25 kgs/PVC Bag,40Bags/Jumbo Bag
- 1 Metric Ton/Jumbo Bag/Pallet
- 25 kgs/paper bag,1MT/Pallet
- Other customized packages are available
FAQ：
Q: Are you a black silicon carbide powder manufacturer?
A: Yes, we are black silicon carbide sand and black silicon carbide powder manufacturer in China. We began to produce silicon carbide powder since 1999.
Q: What grade of silicon carbide do you have?
A: We have several grades of silicon carbide powder including refractory grade, abrasive grade,etc.
Q: How will you check silicon carbide quality before delivery?
A: We will check the chemical composition and cleanness of the carborundum grain and powder. And inspect the gradation, bulk density of SiC grain and powder.
Q: Do you support third-party quality inspection?
A: Yes, we are open to getting a third-party quality test before delivery.
Q: Is the silicon carbide you supply reclaimed material?
A: No. We do the melting process by ourselves and don’t have reclaimed silicon carbide.
Q: What is the HS code of silicon carbide abrasive powder?
A: The HS code is 2849200000.
Q: Is there any restriction to export silicon carbide from China?
A: Yes, it needs to provide an export license to Chinese customs. We could provide it and make customs clearance in China.
Q: Are free samples available?
A: Yes, we provide free samples within 1 kg. Customers only need to bear the logistic cost.
Q: What is your annual capacity?
A: Our capacity is 1800-2000MT per month, annually appr. 22000 MT.
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