Zhenan Metallurgy Co., Ltd
ZHENAN METALLURGY CO., LTD
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Description:
Pure silicon carbide without impurities should be colorless and transparent. The silicon carbide used in industry ranges from colorless to green, green to blue, and then even black. The different colors of silicon carbide are mostly related to its purity. According to research, boron can make silicon carbide black, and when there is more carbon in the silicon carbide crystal, its color is also black. Aluminum has a great influence on the color of silicon carbide crystals, which can make silicon carbide appear brown or black.
The oxidizability of silicon carbide is closely related to its own chemical stability. According to thermodynamic calculations, silicon carbide itself is very easy to oxidize, but the time oxidation graph of silicon carbide is parabolic. This is because when the temperature reaches a certain height, the silicon dioxide generated by its oxidation forms a thin film, which gradually hinders the oxidation process. In the oxidation process in the air, when the temperature is 800℃, silicon carbide has already begun to oxidize, and the reaction is slow. As the reaction temperature continues to rise, the oxidation rate increases rapidly.
When the temperature reaches about 1600℃, the oxidation almost stagnates. This is because the generated silicon dioxide layer reaches a certain thickness, which protects silicon carbide and hinders the continued oxidation. The oxidation rate of silicon carbide in oxygen is 1.6 times faster than that in air.
Specifications:
| Black Silicon Carbide powder Content for Concretion Grinder | ||||
| Brand | Grit Size | Chemical Composition(%) | ||
| SIC(min) | F.C(max) | Fe2O3(max) | ||
| Black silicon carbide | F12-F90 | 98.5 | 0.20 | 0.60 |
| F100-F150 | 98.5 | 0.30 | 0.80 | |
| F180-F220 | 97.0 | 0.30 | 1.20 | |
| Black Silicon Carbide powder Content for Coating Grinder | ||||
| Brand | Grit Size | Chemical Composition(%) | ||
| SIC(min) | F.C(max) | Fe2O3(max) | ||
| C-P | P12-P100 | 98.0 | 0.25 | 0.70 |
| P120-P150 | 97.5 | 0.35 | 0.90 | |
| P180-P220 | 96.0 | 0.35 | 1.35 | |
Packing & Delivery
Packing: 1 ton big bag, 20-25mt in 20' container
FAQ:
Q : How can you control your quality?
A : For each production processing, ZhenAn have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
Q: Are you a manufacture or trader?
A: Both, we not only can provide the high quality products with the best price, but also can offer the best pre-sale service and after-service.
Q : Do you provide free samples?
A : Of course, free samples are available.
Q: What is your lead time?
A : It usually needs about 15- 20 days after receiving the PO.