99% SiC black silicon carbide grit
Product introduction of 99% SiC black silicon carbide grit
99% SiC black silicon carbide grit produced by a premium reshape milling process. Then the material is washed by acid and fully cleaned by water. So there is much less dust in the grits. In the meantime, it get higher bulk density. That type of black silicon carbide grit is suitable for making abrasive wheels.
Typical physical properties of 99% SiC black silicon carbide grit
| Hardness: | Mohs:9.2 |
| Cleanness: | Min 95% |
| Melting Point: | dissociated at about 2300 °C |
| Maximum service temperature: | 1900℃ |
| Specific Gravity: | 3.2-3.45 g/cm3 |
| Bulk density(LPD): | 1.2-1.6 g/cm3 |
| Color: | Black |
| Particle shape: | Hexagonal |
| Modulus of Elasticity | 58-65×106 psi |
| Coefficient of Thermal Expansion | 3.9-4.5 x10-6/ ℃ |
| Thermal Conductivity | 71-130 W/MK |
Typical physical properties of 99% SiC black silicon carbide grit
| SiC | ≥99% |
| SiO2 | ≤0.5% |
| Fe2O3 | ≤0.2% |
| F.C | ≤0.2% |
| Magnetic content | ≤0.01% |
Product Feature of 99% SiC black silicon carbide grit
- High cleanness and dustless.
- High bulk density.
- High SiC purity up to 99%.
- High hardness, retaining hardness and high wear resistance.
- Excellent thermal shock resistance with high thermal conductivity and low linear thermal expansion.
- Good particle distribution.
- Good ability to withstand the strongest alkalis and acids.
Application of 99% SiC black silicon carbide grit
- Semi flex grinding wheel for marble.
- Vitrified grinding wheel and SiC cup grinding disc.
- Brush buffing wheel.
- Nylon polishing wheel for paint removal.
- Black silicon carbide Sanding wheel.
- Fiber grinding disc.
- Sanding sheet,etc.
Product Specification of black silicon carbide grit
| F-macro grits sizes | ||
| Grit designation | Mean diameter (um) | Bulk Density(g/cm3) |
| F24 | 745 | 1.59-1.63 |
| F30 | 625 | 1.57-1.61 |
| F36 | 525 | 1.58-1.60 |
| F40 | 438 | 1.57-1.63 |
| F46 | 370 | 1.58-1.62 |
| F54 | 310 | 1.56-1.61 |
| F60 | 260 | 1.55-1.60 |
| F70 | 218 | 1.52-1.57 |
| F80 | 185 | 1.57-1.61 |
| F90 | 154 | 1.53-1.57 |
| F100 | 129 | 1.50-1.55 |
| F120 | 109 | 1.46-1.52 |
| F150 | 82 | 1.48-1.51 |
| F180 | 69 | 1.44-1.48 |
| F220 | 58 | 1.42-1.47 |
Production details:
Product Qualification:
ISO 9001:2015 Certificate
TUV certificate
Packing:
- 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 manufacturer?
A: Our company is a manufacturer. We began to produce silicon carbide material in 1999.
Q: What grade of silicon carbide do you have?
A: Expect metallurgical black silicon carbide, the silicon carbide from us is all of A-grade quality.
Q: How will you check silicon carbide quality before delivery?
A: We will check the chemical content, cleanness of the SiC grain and powder. And inspect the gradation, bulk density of SiC grain and powder.
Q: Do you support a third-party quality test?
A: Yes, we are open to get the third-party quality test before delivery.
Q: Are the silicon carbide material from you is reclaimed material?
A: No. We only produce A-grade silicon carbide produced from high-quality melted SiC blocks.
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 the lead time for each order?
A: It depends on the quantity required. Generally 5-10 days for FCL(20-25MT).
Q: What is your annual capacity?
A: Our capacity is 1800-2000MT per month, annually appr. 22000 MT.
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