Silicon carbide (sic), also known as carborundum, is a compound of silicon and carbon with chemical formula sic. It occurs in nature as the extremely rare mineral moissanite. Silicon carbide powder has been mass-produced since 1893 for use as an abrasive. Grains of silicon carbide can be bonded together by sintering to form very hard ceramics  that are widely used in applications requiring high endurance, such as car brakes, car clutches and ceramic plates in bulletproof vests. Electronic applications of silicon carbide as light-emitting diodes (leds) and detectors in early radios were first demonstrated around 1907. Today sic is used in semiconductor electronics applications that are high-temperature, high-voltage or both. Large single crystals of silicon carbide can be grown by the lely method; they can be cut into gems known as synthetic moissanite. Silicon carbide with high surface area can be produced from sio2 contained in plant material.
Black silicon carbide use quartz sand and petroleum coke as the main raw material, smelting the raw material at high temperature electric resistance furnace . Black silicon carbide contains SiC about 95%. The toughness is higher than that of green silicon carbide, black crystals. The microhardness is HV3100-3280kg / mm², brittle and sharp and has a certain electrical conductivity and thermal conductivity. Abrasive made of black silicon carbide is suitable for grinding cast iron, nonferrous metals and rubber, leather, plastic, wood, minerals and other non-metallic materials. Additionally, you can make advanced refractory material and so on.
Green silicon carbie Green silicon carbide is produced as the same type as the black silicon carbide, except the different raw materials.Ití»s crystallization have higher purity and hardness.Green silicon carbide is suitable for processing hard alloy, metallic and non-metallic marterails with hard and brittle feature such as copper, brass, aluminium, magnesslum , jewel, optical glass, ceramics, etc.Super micropower of it is also a kind of ceramics material.
Silicon carbide can also be called SiC. There are black silicon carbide and green silicon carbide. According to the shape, there are silicon carbide blocks and silicon carbide powder. The common method is to mix quartz sand with coke, use the silica and petroleum coke, add wood chips, put it into an electric furnace, heat it to a high temperature of about 2000 C, and obtain silicon carbide after various chemical processes. To green silicon carbide, add salt. Application: Silicon Carbide is widely used in the fields of Abrasive,Grinding, Metallurgy, Refractory, Ceramics, Petroleum, Chemical, Microelectronics, Automobile and Aerospace and so on. The main field of application: 1. Nonferrous metal Smelting industry. 2. Steel line using 3. Energy-saving line 4. Instead of fe-si for smelting steel,not only can remove Oxygenbut also can raise the temperature of molten steel. 5. Lining of high furnace to improve furnace age. 6. Stemming,downspouting and all kinds refractory brick of high furnace. 7. Iining of Electric tank of Electrolytic Aluminium or total tank body made by sic. 8. Silicon carbide ceramics is made by high quality sic fine powder firing several wearproof,acid- resisting and high temperature resistance parts. 9. Filling up material for high way and airport runway to make road surface skidding resistance and wear meanwhile improving using age. 10. High purity material can be used in producing Seni-conductor,Sic fabrics and so on. Specifications: Grade Chemicals Composition(%) Sic Fe2O3 F�·C. MOISTURE Super Grade (Green SiC) 99.2 0.05 0.05 1 First Grade 95/97/98 0.15 0.15 1 Second Grade 85/88/90 1.5 1.5 1 Third Grade 70 4 5 1 Size 1)0-1mm,1-3mm,3-5m 2)24 mesh, 36, 46, 60, 70, 80, 90, 100, 120, 150, 180, 200, 220, 240, 280 mesh 3)325 mesh, 500, 600, 800, 1000, 1200, 1500, 2000, 2500, 3000, 5000, 6000 mesh Packing Net 25kg plastic woven bags, or in 1MT big bag; Marks We can produce it according to request.
Green Silicon Carbide� is widely used for Abrasive Tools and Sandblasting. Our Silicon Carbide is hard with good abrasive ability and is ideal for abrasive blasting and polishing. It is widely used in abrasive tools, grinding and polishing etc. It also has above 99% Al2O3 content, coarse particles, good self-sharpening and good abrasion resistance.
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Black Silicon Carbide  is widely used as a blasting medium and abrasive. Our Silicon Carbide is hard, extremely resistant and able to withstand the strongest alkalis and acids. It is widely used in abrasive tools, grinding and polishing, refractory materials, high end ceramics etc. It also has above 99% Al2O3 content, coarse particles, good self-sharpening and good abrasion resistance.
Green silicon carbide for refractories Green silicon carbide(sic) can also be used for refractory applications because of its high strength, low expansion rate and good thermal conductivity for refractory materials, special ceramics, coating and plastic fillings etc. Physical and chemical properties True gravity: ?3.15 g /cm3 Bulk density: 1.20-1.60 g / cm3 Mosh hardness: ?9 Color: green/light green Melting point: 2700 celcius degree Sizes: 0-1mm, 1-3mm, 3-5mm, 0-10mm etc. Applications of refractory grade green silicon carbide Products of various high grade shaped and unshaped refractory materials Used for semi-conductor deoxidizer Used as deoxidizer in steel making industry to improve quality and productivity of steel Production of silicon carbide rod in electric thermal industry
We are a leading supplier of electroplating chemicals, industrial polishing and welding consumables, water treatment, powder coating, fertilizers. We stock and carry an extensive range of ready to use chemicals. We deal with so many different chemicals and we would like you to contact us for more information about our different chemicals and products.
We are a leading supplier of electroplating chemicals, industrial polishing and welding consumables, water treatment, powder coating, fertilizers. We stock and carry an extensive range of ready to use chemicals. We deal with so many different chemicals and we would like you to contact us for more information about our different chemicals and products.
