Product introduction of 98% SiC grit black silicon carbide 0.8mm-1.25mm
98% SiC grit black silicon carbide 0.8mm-1.25mm is of A-grade black SiC that has a purity min 98%. Haixu Black silicon carbide F grit series are made from petroleum coke instead of anthracite. So it performs durable and of higher density. Black silicon carbide abrasive material suitable for grinding substrates including steel, metal, marble, ceramics, granite, etc.
Typical physical properties of 98% SiC grit black silicon carbide 0.8mm-1.25mm
| Hardness: | Mohs:9.2 |
| 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 98% SiC grit black silicon carbide 0.8mm-1.25mm
| Content | Guarantee value | Typical value |
| SiC | ≥98% | 98.62% |
| Fe2O3 | ≤0.2% | 0.18% |
| F.C | ≤0.2% | 0.12% |
| Magnetic content | ≤0.02% | 0.011% |
Product Feature of 98% SiC grit black silicon carbide 0.8mm-1.25mm
- High purity, the purity of black silicon carbide after pickling can reach 99%. The production process of black silicon carbide powder is hydraulic classification, with less impurities and high purity.
- Superior oxidation resistance and chemical stability: when heated to 1000 ℃ in the air, silicon carbide only oxidizes on the surface, forming a layer of silicon dioxide film, which can protect silicon carbide material from oxidation. When heated to above 1627 ℃, the oxidation resistance of silicon carbide will decline rapidly.
- High hardness: Mohs hardness of black silicon carbide is 9.2-9.3, slightly lower than that of green silicon carbide.
- The toughness of black silicon carbide is higher than that of green silicon carbide.
- The packing density is high, and the black silicon carbide particles produced by the shaping process are more rounded.
- It has high cleanliness and is washed twice after crushing, reducing the dust in the abrasive.
Application of 98% SiC grit black silicon carbide 0.8mm-1.25mm
Abrasive sandblasting for stone, marble, granite, etc., stone carving
Surface cleaning of semiconductor parts of stainless steel substrate.
Sandblasting and grinding of ceramic products and electronic ceramics.
Polish stone, marble, ceramic, etc.
Grinding jade, jewelry, crystals, etc.
Gem polishing, gem perforation.
Polishing and grinding of glass artwork, etc.
Abrasive tools such as grinding discs and polishing paper.
Wear resistance and non-slip material.
SiC ceramics such as sintered SiC ceramics.
Available sizes of 98% SiC grit black silicon carbide
| Grit | 1 | 2 | 3 | 3 and 4 | 5 | Q5max,% | ||||
| W1,um | Q1,% | W2,um | Q2max,% | W3,um | Q3min,% | W4,um | Q3+Q4min,% | W5,um | ||
| F14 | 2360 | 0 | 1700 | 20 | 1400 | 45 | 1180 | 70 | 1000 | 3 |
| F16 | 2000 | 0 | 1400 | 20 | 1180 | 45 | 1000 | 70 | 850 | 3 |
| F20 | 1700 | 0 | 1180 | 20 | 1000 | 45 | 850 | 65 | 710 | 3 |
| F24 | 1180 | 0 | 850 | 25 | 710 | 45 | 600 | 65 | 500 | 3 |
| F30 | 1000 | 0 | 710 | 25 | 600 | 45 | 500 | 65 | 425 | 3 |
| F36 | 850 | 0 | 600 | 25 | 500 | 45 | 425 | 65 | 355 | 3 |
| F40 | 710 | 0 | 500 | 30 | 425 | 40 | 355 | 65 | 300 | 3 |
| F46 | 600 | 0 | 425 | 30 | 355 | 40 | 300 | 65 | 250 | 3 |
| F54 | 500 | 0 | 355 | 30 | 300 | 40 | 250 | 65 | 212 | 3 |
| F60 | 425 | 0 | 300 | 30 | 250 | 40 | 212 | 65 | 180 | 3 |
| F70 | 355 | 0 | 250 | 25 | 212 | 40 | 180 | 65 | 150 | 3 |
| F80 | 300 | 0 | 212 | 25 | 180 | 40 | 150 | 65 | 125 | 3 |
| F90 | 250 | 0 | 180 | 20 | 150 | 40 | 125 | 65 | 106 | 3 |
| F100 | 212 | 0 | 150 | 20 | 125 | 40 | 106 | 65 | 90 | 3 |
| F120 | 180 | 0 | 125 | 20 | 106 | 40 | 90 | 65 | 75 | 3 |
| F150 | 150 | 0 | 106 | 15 | 90 | 40 | 75 | 65 | 63 | 3 |
| F180 | 125 | 0 | 90 | 15 | 75 | * | 63 | 40 | 53 | * |
| F220 | 106 | 0 | 75 | 15 | 63 | * | 53 | 40 | 45 | * |
Product Qualification of 98% SiC grit black silicon carbide 0.8mm-1.25mm
ISO 9001:2015 Certificate
TUV certificate
Packing of 98% SiC grit black silicon carbide 0.8mm-1.25mm
- 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: We are 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 are all of A-grade quality.
Q: How will you check silicon carbide quality before delivery?
A: We will check the chemical content, and cleanness of the SiC grain and powder. And inspect the gradation, bulk density of SiC grain and powder.
Q: Do you support third party quality tests?
A: Yes, we are open to get the third part 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 need to provide export license to Chinese customs. We could provide it and make custom clearance in China.
Q: Are free samples available?
A: Yes, we provide free samples within 1 kgs. Customer 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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