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black silicon carbide
- 3000 Metric Ton / Metric Tons per Month
- Tianjin China
- T/T L/C D/P D/A
Product Details
Place of Origin: | Henan, China | Brand Name: | RS | Model Number: | BC#800,BC#1000,BC#1200,BC#1500,BC#1800,BC#2000 |
Application: | solar wafer, semiconductor wafer | Shape: | sand | Chemical Composition: | SiC,Fe2O3 |
Product Description
Specifications
characteristics:good thermal conductivity and electric conductivity.Black silicon carbide
Black, frangible and sharp, good thermal conductivity and electric conductivity.Microcosmic shape is a hexagonal crystal, Mohs hardness is 9.3, Vickers hardness is 2670−2815 kg/mm2, micro−hardness is 2940−3300 kg/mm2. Among abrasives, silicon carbide’s hardness is higher than corundum, and ranked below diamond, CBN and boron carbide. Density generally viewed is 3.20−3.25g/ mm3, natural bulk density is 1.2−1.6g/ mm3, specific gravity is 3.20˜3.25g/ mm3. Raw material of green silicon carbide are petroleum coke and quality silicon sand, appended with salt, then smelt in electric arc furnace. Compared with green silicon carbide, the purity, hardness and brittleness of black silicon carbide are lower .
Main applications: solar wafer, semiconductor wafer and quartz chip wire sawing and lapping; bonded and coated abrasive tools; stone polishing; processing metal and non−ferrous metal with low tensile strength, such as gray pig iron, brass, aluminum, stone, leather and rubber.
Particle size comparison of commonly used abrasive:
| Particle size distribution (micron) | Chemical Index | Physical Index | ||||||
Size | D3 | D50 | D94 | SiC ≥(%) | Fe2O3 ≤(%) | F•C ≤(%) | PHValue | Density of heap | Magnetic Materials≤(%) |
BC#800 | ≤20.0 | 14.0±1.0 | ≥9.0 | 95.00 | 1.20 | 0.4 | 6--8 | 1.18 | 0.008 |
BC#1000 | ≤18.3 | 11.5±1.0 | ≥7.0 | 93.50 | 1.20 | 0.4 | 6--8 | 1.15 | 0.008 |
BC#1200 | ≤17.5 | 9.5±0.8 | ≥5.5 | 93.50 | 1.20 | 0.4 | 6--8 | 1.13 | 0.005 |
BC#1500 | ≤14.5 | 8.0±0.6 | ≥4.5 | 93.00 | 1.20 | 0.4 | 6--8 | 1.12 | 0.005 |
BC#1800 | ≤13.5 | 7.0±0.6 | ≥4.2 | 93.00 | 1.20 | 0.4 | 6--8 | 1.05 | 0.005 |
BC#2000 | ≤13.0 | 6.7±0.6 | ≥4.0 | 93.00 | 1.20 | 0.4 | 6--8 | 1.00 | 0.005 |
Henan Ruishi Investment Group Co., Ltd., formerly known as Yichuan Ruishi Abrasives Co., Ltd., was founded in 1992. The company mainly produces all kinds of abrasives, special refractories and metallurgical materials. After nearly 20 years of rapid development, the company has developed into a stock−holding company with seven wholly−owned subsidiaries, including a bauxite calcination plant, a smelter plant, a sand−making plant, a new energy solar−powered wire cutting plant, a renewable resource company, and an international trading company. The company has the rights for import and export; it is also one of the top−100 export bases in Henan Province. The production base of the group covers an area of 440 mu. It has 350 employees, and a registered capital of 72 million yuan; it is equipped with six domestic first−class large−scale 3600KVA/360KVA high−temperature furnaces, and six automatic Barmac production lines; in order to ensure the stability of raw materials, the company built 4 shaft kilns, to be dedicated to firing first−grade alumina blocks used for smelting, which has an annual production capacity of up to 150,000 tons. The new−type energy−saving composite corundum developed by the company has a production capacity that ranks first in the industry worldwide. The products took the lead in the industry in passing the ISO9001: 2000 Quality Management System certification, which are exported to more than 20 countries and regions, including the United States, Russia, Japan, and Korea. In 2010, the total assets of the Group reached 159.09 million yuan; the sales income was up to 256.33 million yuan, and the taxes amounted to 24.93 million yuan, having created good social and economic benefits and made outstanding contributions to the society.
Q1. Will the FREE SAMPLES be provided for buyers?
- YES. We will provided FREE SAMPLE about 1kg
Q2. How about the express fee?
- Our company’s policy is the buyer pay for express fee.
Q3. Is there QUALITY REPORT for the products?
- YES. We provide quality report of our company or CIQ,SGS according to client‘s requirement
Contact Us
- Henan Ruishi Renewable Resources Group Co., Ltd.
- Contact nameHelen Liang Chat Now
- Phone86-0379-65286158
- Addresskaiyuan road No.248 Wuzhou Buliding 23 Floor Luoyang,Henan
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