Abrasive Grain Green Carborundum

Under the pattern of rapid expansion of the silicon carbide blast media, wet dry sandpaper 2000 grit, Pink Fused Aluminium Oxide Powder industry, facing the business mentality of "many speculators, few ingenuity", our company concentrates on research and development products, and takes the national standard drafting unit as the standard. We work closely with our customers to understand their unique needs and develop tailored solutions. Our company has a global network of partners.

Green silicon carbide is made of petroleum coke and high-quality silica as the main raw materials, with salt added as an additive, and is smelted at high temperature in a resistance furnace. It is green crystal, brittle and sharp, and has certain thermal conductivity and electrical conductivity. The microscopic shape is hexagonal crystal. The Mohs hardness of silicon carbide is 9.3, the microscopic hardness is 2940-3300kg/mm2, and the Knoop hardness is 2670-2815kg/mm2. Among abrasives, it is higher than corundum and second only to diamond, cubic boron nitride and boron carbide. The density is generally considered to be 3.20-3.25g/cm3. The natural bulk density of silicon carbide abrasive is between 1.2--1.6g/cm3, and the specific gravity is 3.20-3.25g/cm3

Silicon Carbide Carborundum Grit No.:

1. Granular grains
16#, 20#, 22#, 24#, 30#, 36#, 40#, 46#, 54#, 60#, 70#, 80#, 90#, 100#, 120#, 150#, 180#, 220#, 240#.
Green silicon carbide granular sand is mainly used for sandblasting media for abrasive tool manufacturing and surface treatment.
Abrasive tool manufacturing: resin grinding wheel, ultra-thin cutting disc, marble grinding wheel, diamond grinding disc, etc.
Surface treatment: grinding carbide, hard and brittle metal and non-metallic materials-quartz glass, optical glass, piezoelectric ceramics, etc.

2. Micro powder
JIS240, JIS280, JIS320, JIS360, JIS400, JIS500, JIS600, JIS700, JIS800, JIS1000, JIS1200, JIS1500, JIS2000, JIS3000, JIS4000, JIS6000, JIS8000, JIS10000.
Green silicon carbide micro powder can be used for precision grinding of hard glass, slicing of single crystal silicon and polycrystalline silicon rods, precision grinding of single crystal silicon wafers, processing of superhard metals, processing of soft metals such as copper and copper alloys, processing of various resin materials, etc.

1. Excellent mechanical properties: Green silicon carbide has extremely high strength and hardness, as well as good toughness and wear resistance, and can adapt to high-load and high-intensity working environments.

2. Excellent corrosion resistance: Green silicon carbide has good corrosion resistance, can withstand the erosion of corrosive media such as acids and alkalis, and has a long service life.

3. Excellent thermal and electrical conductivity: Green silicon carbide has good thermal and electrical conductivity, can effectively transfer and disperse heat and electrical energy, and has excellent thermoelectric and thermomechanical properties.

4. Excellent optical properties: Green silicon carbide has excellent optical transparency and optical refractive index, and can be widely used in optical devices, optical sensors and other fields.

5. Environmentally friendly and pollution-free: Green silicon carbide is a green and environmentally friendly material that does not contain harmful substances and elements, does not pollute the environment, and is in line with the concept of sustainable development.

Silicon carbide for abrasives and grinding tools mainly includes black and green silicon carbide granular sand and micro powder in various models and specifications such as 8#-6000#.
The raw materials are calcined in a high-power resistance furnace with high power and good purity to ensure quality. The processing equipment includes air flow mill, shaping machine, dry and wet ball mill, Raymond mill, etc. The production process is processed according to user needs to ensure particle shape, less impurities, no doping, less dust, and after ultrasonic screening and water washing, it is ensured that there is no other dust in the material.

Silicon carbide for coated abrasives is a commonly used abrasive material, such as abrasive belts, emery cloths, sandpaper, etc. Silicon carbide has the advantages of high hardness, good wear resistance, and strong chemical stability, which can effectively improve the grinding efficiency and processing quality of abrasives. In the preparation process of coated abrasives, silicon carbide particles will be evenly distributed on the base material to form an abrasive layer, thereby achieving efficient grinding and processing of workpieces.

Green silicon carbide powder is the main raw material for reaction sintering ceramics, which can be used for casting, extrusion and pressing processes.
The main production process is air flow milling, with a content of more than 99.2%. It has the advantages of good particle shape, strong fluidity and reasonable particle size distribution, and is widely praised by downstream customers.
Applicable products include silicon carbide nozzles, kiln furniture, desulfurization, electricity, seals, grinding cylinders, etc.

Special ceramics generally use high-purity micro-nano materials, and the raw materials used are required to be:

1. Small particle size, narrow particle size distribution range, or a certain particle size grading.

2. The particles are equiaxed, with few agglomerated particles and low agglomeration strength.

3. The chemical purity and chemical composition uniformity can be controlled, and the particle size D50 is less than 0.8 microns, and the maximum particle size does not exceed 5 microns.
Silicon carbide, mainly a-type silicon carbide, is used as the raw material to ensure the thermal stability and corrosion resistance of precision ceramics, with concentrated and uniform particle size distribution, high yield rate, stable shrinkage, and can achieve the ideal density effect. The relevant indicators are far superior to similar products.

Thermal insulation materials generally refer to materials with a thermal coefficient less than or equal to 0.12, including thermal insulation boards, nanoporous thermal insulation boards, etc. At present, the commonly used specifications for customers are mainly 5um or finer silicon carbide powder.
The silicon carbide powder used in thermal insulation materials does not contain harmful substances, can improve the thermal insulation performance of the product, and has the characteristics of energy saving and environmental protection.

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