Products Parameters
| Grit | Sic | F.C. | Fe2O3 |
| F12-F90 | ≥98.50 | <0.20 | ≤0.60 |
| F100-F150 | ≥98.00 | <0.30 | ≤0.80 |
| F180-F220 | ≥97.00 | <0.30 | ≤1.20 |
| F230-F400 | ≥96.00 | <0.40 | ≤1.20 |
| F500-F800 | ≥95.00 | <0.40 | ≤1.20 |
| F1000-F1200 | ≥93.00 | <0.50 | ≤1.20 |
| P12-F90 | ≥98.50 | <0.20 | ≤0.60 |
| P100-P150 | ≥98.00 | <0.30 | ≤0.80 |
| P180-P220 | ≥97.00 | <0.30 | ≤1.20 |
| P230-P500 | ≥96.00 | <0.40 | ≤1.20 |
| P600-P1500 | ≥95.00 | <0.40 | ≤1.20 |
| P2000-P2500 | ≥93.00 | <0.50 | ≤1.20 |
Products Description
Black silicon carbide powder is an important metallurgical material, which is widely used in many industrial fields due to its high hardness, excellent high temperature resistance and chemical stability. It is mainly made by reacting quartz sand, petroleum coke and other raw materials in a high-temperature electric furnace. Its unique properties make it one of the key raw materials in the metallurgical, refractory, abrasive and other industries.
In the metallurgical industry, one of the main uses of black silicon carbide powder is as an additive or deoxidizer. During the steel smelting process, silicon carbide can effectively promote chemical reactions in the furnace, help remove impurities, and improve the purity and mechanical properties of steel. At the same time, it can maintain stability in high temperature environments, reduce the loss of furnace lining materials, and extend the service life of smelting equipment. In addition, black silicon carbide powder can also be used in the foundry industry as an inoculant to improve the organizational structure of cast iron and enhance the strength and wear resistance of castings.
In addition to the metallurgical field, black silicon carbide powder also occupies an important position in refractory materials. Due to its excellent high temperature resistance and thermal shock resistance, it is often used to manufacture high-performance refractory bricks, castables, etc., and is widely used in high-temperature kiln linings in industries such as steel, cement, and glass. These materials can maintain structural stability under extreme temperature conditions and effectively prevent the furnace body from cracking or damage due to thermal stress. In the manufacture of abrasives and cutting tools, the high hardness of black silicon carbide powder makes it an ideal grinding medium. It can be used to produce grinding wheels, sandpaper, abrasive paste, etc., and is suitable for precision machining of hard materials such as metals, ceramics, and stones. At the same time, silicon carbide-based cutting tools also play an important role in the semiconductor and photovoltaic industries, and can efficiently process silicon wafers and other brittle materials.
Although black silicon carbide powder has many advantages, its production and use still need to pay attention to some issues. For example, the raw material ratio and reaction temperature must be strictly controlled during the smelting process to ensure product purity; in abrasive applications, the particle size distribution of the powder directly affects the processing effect, so it needs to be screened and optimized according to specific needs. In addition, silicon carbide dust may affect the health of workers, so appropriate protective measures must be taken during production and use.
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