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Silicon Carbide
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Product Description
Silicon carbide also exists in nature as a rare mineral, moissanite. Silicon carbide is also known as carbon silica. In contemporary C, N, B and other non-oxide high technology refractory raw materials, silicon carbide for the most widely used, the most economical one, can be called gold steel sand or refractory sand. At present, China's industrial production of silicon carbide is divided into two kinds of black silicon carbide and green silicon carbide, both hexagonal crystal, specific gravity of 3.20 ~ 3.25, microhardness of 2840 ~ 3320kg/mm2.
Black silicon carbide
Content：98#、97#、95#、90#、88#、75#、70#
Size：（mm）0-0.1、0-0.2、0-0.5、0-1、0-3、0-5、0-10、0.2-0.5、0.5-1、1-2、1-3、2-3、1-5、1-10
Mesh：120、150、170、180、200、240、325、
Example: Silicon Carbide 0-0.5mm (others can be inquired)
SiC% | FC% | Fe2O3% | FSi% | SiO2% | CaO % | MgO % | AL2O3% | S % | H2O% |
≥98.0 | ≤0.15 | ≤0.25 | ≤0.8 | ≤0.5 | ≤0.1 | ≤0.01 | ≤0.15 | ≤0.03 | ≤0.3 |
≥97.0 | ≤0.30 | ≤0.4 | ≤0.8 | ≤1.2 | ≤0.2 | ≤0.02 | ≤0.30 | ≤0.04 | ≤0.5 |
≥95.0 | ≤1.0 | ≤1.0 | ≤0.8 | ≤1.5 | ≤0.5 | ≤0.05 | ≤0.40 | ≤0.05 | ≤0.5 |
Purpose
（1）The Mohs hardness of silicon carbide is as high as 9.2-9.5, second only to diamond. The hardness is higher than that of all common metals, alloys, stones and optical glass materials. It can be used to make grinding tools such as silicon carbide grinding wheels, silicon carbide oilstones and silicon carbide sandpaper. Silicon carbide grinding wheels are superior to white alumina and brown alumina grinding wheels, with better grinding and cutting efficiency, good durability, long service life, and moderate price.
（2）Silicon carbide is a high-performance refractory material. Silicon carbide is used for refractory castables, refractory bricks, refractory plates, industrial furnace heat exchangers, silicon carbide crucibles, silicon carbide nozzles, etc.
Package
Various sizes of packaging can be developed according to customer requirements.
We use anthracite smelting silicon carbide, which has high SiC content, stable physical and chemical indicators, and high crystallization density. High quality and dense silicon carbide products have a content of up to 99%, a specific gravity greater than 3.2g/cm3, and a bulk density greater than 1.72g/cm3.
SILICON CARBIDE PROCESSING PROOUCTINOICATORS | ||||
| Grade | SIC(%) | F.C(%) | Fe2O3(%) | H2O (%) |
| 99# | ≥99.00 | ≤0.10 | ≤0.10 | ≤0.10 |
| 98# | ≥98.00 | ≤0.25 | ≤0.30 | ≤0.30 |
| 97# | ≥97.00 | ≤0.30 | ≤0.40 | ≤0.30 |
| 95# | ≥95.00 | ≤1.00 | ≤1.00 | ≤0.30 |
| 88# | ≥88.50 | ≤2.80 | ≤3.00 | ≤0.50 |
| 70# | ≥70.50 | ≤8.00 | ≤3.50 | ≤1.00 |
Sales network
Details Images
At present, our company has passed the "REACH" certification, and can export high-quality silicon carbide with stable quality. | |
Quality control
Vingxia Tianjing Longding Silicon Carbide Co, Ltd. has established a modern quality testing center andis equipped with advanced testing equipment at home and abroad. The company strictly implements theSO9001 quality management system, from raw material entry, smelting, grading, processing to finishedproduct delivery, and the entire process quality tracking and monitoring, fully ensuring the productquality requirements required by customers.
Using domestic and foreign advanced silicon carbide processing and production equipment and cleaningmagnetic separation, shaping, screening process, independent optimization of process line configuration.with low production cost, stable product quality, in line with GB, JIS, FEPA, DIN and other differentstandards, greatly improve the market competitiveness of products.
The company's quality inspection center is equippedwith professional testing personnel, in addition toroutine testing items, it can also test special indica-tors such as S, P, Ti, AI,O,, CaO, MgO, etc. It is aresearch and development and innovation capabili-ties of the testing center.
The company uses silicon carbide smelted from anthracite, which has high SiC content, stablephysical and chemical indicators, and high crystallization density. High quality and dense siliconcarbide products have a content of up to 99.00%, a specific gravity greater than 3,20, and a bulkdensity greater than 1.65g/cm3.
Packing & Delivery
Company Profile
Ningxia Tianjing Longding Silicon Carbide Co., Ltd., founded in 1997, mainly produces silicon carbide and its products for further processing. The company is located in Dingsheng Road, Hongguozi Park, Shizuishan Economic and Technological Development Zone, adjacent to National Highway 110, covering an area of more than 300 mu, with a registered capital of 46.875 million yuan. The company has more than 240 employees and more than 20 technical research and development personnel. The company has obtained 18 utility model patents and 1 software copyright certificate.
The company has two substations, including one 220KVA substation with a capacity of 120000KVA and one 110KVA substation with a capacity of 50000KVA; The total capacity of the plant is 170000KVA.
The company started from the 3000KVA smelting furnace in 1997, worked hard and continued to innovate. For the silicon carbide smelting furnace, the company has continued to reform and innovate. Up to now, the company has two 40000 KVA silicon carbide smelting furnace production lines, with a design production capacity of 85000 tons/year. This production line adopts a number of proprietary technologies and advanced smelting process equipment. It has the advantages of high automation, low process unit consumption, and excellent product quality.
Relying on high-quality raw materials and advanced technology, the products produced by the company have outstanding quality advantages. The content of high-quality and dense silicon carbide products is more than 98%, the proportion is more than 3.2g/cm3, and the bulk density is more than 1.65g/cm3. The products have high toughness, high strength, and high purity physical and chemical properties. The products are widely used in abrasives, steel, refractories, solar photovoltaic, semiconductor, military aerospace, building materials grinding wheels, ceramics and other industries, with strong market competitiveness.
Since its establishment, the company has adhered to the entrepreneurial concept of "building a business with integrity and keeping quality eternal", and has been constantly pioneering in the market. It has been awarded various honorary titles such as advanced enterprise, honest operation enterprise, advanced unit of quality management, and advanced unit of energy conservation by higher authorities and local governments for many times. Its products have been recognized as "Ningxia Famous Brand Products".
At present, the company has been authorized with "REACH" certificate and has the ability to export silicon carbide independently.
In the face of the increasingly competitive market, our company will vigorously carry forward the enterprise spirit of "striving to surpass and pursue excellence", actively practice the core values of "integrity, responsibility, innovation and dedication", strive to pursue customer satisfaction, constantly keep abreast of higher standards, move towards higher goals, and wholeheartedly work with people from all walks of life to create a better tomorrow!
Introduction to equipment and facilities
Relying on the smelting production line, the company vigorously develops the deep processing industry chain. We can produce the first, second and third stage sand, grain size sand and fine powder of different specifications and models according to customer requirements.
Five micro powder (Raymond Mill) production and processing lines, with a processing capacity of 30000 tons/year; Four pneumatic mill production lines with processing capacity of 15000 tons/year; Two screening (Bamak) production lines with a processing capacity of 50000 tons/year.
It adopts domestic advanced silicon carbide processing and production equipment, blowing, magnetic separation, shaping and screening processes, and independently optimizes the process line configuration. It has low production cost, stable product quality, and meets the requirements of GB, JIS, FEPA, DIN and other different standards, greatly improving the market competitiveness of products.
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