• Raw Materials for Refractory - Hy-SiO2 97% Silicon Carbide (SiC) High Purity Silicon Carbide - Factory Direct Manufacture System 1
  • Raw Materials for Refractory - Hy-SiO2 97% Silicon Carbide (SiC) High Purity Silicon Carbide - Factory Direct Manufacture System 2
Raw Materials for Refractory - Hy-SiO2 97% Silicon Carbide (SiC) High Purity Silicon Carbide - Factory Direct Manufacture

Raw Materials for Refractory - Hy-SiO2 97% Silicon Carbide (SiC) High Purity Silicon Carbide - Factory Direct Manufacture

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25 m.t.
Supply Capability:
2000 m.t./month

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HY-SIO2  97%  silicon carbide (SIC) high purity silicon carbide - Factory Direct manufacture

silicon carbide

Silicon carbide

silicon carbide (SiC) with quartz sand, petroleum coke (or coal), wood chips as raw material in electric arc furnace smelting made. In nature there are silicon carbide rare mineral, Moissanite. Silicon carbide, also known as Moissanite. In contemporary C, N, B and other non-oxide refractory materials in high-tech, silicon carbide is the most widely used and most economical one. Can be called emery or refractory sand. Silicon carbide is quartz sand, petroleum coke (or coal), wood chips (need to increase the production of green silicon carbide salt) and other raw materials at high temperature resistance furnace smelting. At present, China's industrial production of silicon carbide is divided into two kinds of black silicon carbide and green silicon carbide, are hexagonal crystals, accounting for 3.20 to 3.25, micro hardness of 2840 ~ 3320kg / mm2.

 

Uses 
(A) as an abrasive, can be used for abrasive, such as wheel, Whetstone, grinding, sand tile and so on. 
(2) as a metallurgical deoxidizer and high temperature materials. 

 

Silicon carbide has four major application areas, namely

functional ceramics, advanced refractories, abrasives and metallurgical materials. Silicon carbide has been able to present a large supply of coarse material, can not be considered high-tech products, and high-tech applications nanoscale silicon carbide powder is impossible to form a short period of economies of scale.

 

Silicon Carbide Chemical Specification: 

 

Spec

Green Sic

Black Sic

Min   %

Min %

Max %

Max %

Max %

SiC

99

97

95

92

90

Free Carbon

0.2

0.5

1

2.5

3

Fe2O3

0.2

1.0

1.5

2.0

2.5

SiO2


1.5

2.5

3.5

4.0


HY-SIO2 97% Silicon Carbide (SIC) High Purity Silicon Carbide - Factory Direct Manufacture

Q: What are the materials of insulation firebricks?
The furnaces of firebricks are generally divided into two types, namely, unshaped refractory materials and shaped refractory materials. Unshaped refractory materials, also called castables, is a mix of powdery particles of many aggregates and one or multiple adhesives. They must be stirred well with one or multiple liquids when in use, which has a strong liquidity. Unshaped refractory materials generally refers to firebricks. They have standard rules about their shapes and can also be processed temporarily as needed.
Q: Who knows what is the standard of insulation material whose fire proof is level A?
Level A is distinct from B in coefficient of fire proofing. Level A is non combustible, while Level B is divided into B1( flame retardant), B2(combustible) and B3( inflammable). Currently in the market, level A materials are as follows: phenolic, rock wool, insulation mortar, ceramic foam, foam glass, and foamed concrete. The most advantageous of level A material at present is foamed concrete, also known as foamed cement. Xuzhou Lvchuang Construction company is working on this, you can search fro it on the internet, it has high cost performance.
Q: What's the refractory material?
According to the product shape, it can be divided into two kinds, that is shaped refractory and unshaped refractory. According to the chemical?property, it can be classified into three categories, that is acid refractory, neutral refractory and basic refractory, among which basic refractory and neutral refractory are commonly used, such as the basic refractory of magnesia carbon brick, fired magnesite brick, magnesite-chrome brick, magnesia-calcium brick, and the neutral refractory of high alumina brick, corundum brick, clay brick. Unshaped refractory includes: castable, ramming mass, gunning mix, coating material, dry vibration material, etc.!
Q: How to classify the grade of wall fireproof and thermal inuslation matertial?
The level classification of wall fireproof and thermal inuslation matertial: Grade A: incombustible building material: Material almost with no combustion. Grade B1: nonflammable building material: Nonflammable material has good flame resistance. It is difficult to fire in case of fire in the air or at high temperature. It is not easy to quickly spread. After the fire source is removed, combustion stops immediately. Grade B2: combustible?building?material: Combustible materials have a certain flame resistance. It will immediately burst into flames in case of fire in the air or at high temperature and is easy to lead to the spread of fire, such as wooden column, timber roof truss, timber beam, wooden stairs, etc. Grade B3: Flammable building material: It has no flame-retardant effect and is highly flammable. Fire hazard is very large.
Q: What is the acceptance standard of refractory?
Feeler gauge is used to check the thickness of the refractory brickwork joint. The top of the gauge can not be sharpened. Feeler gauge is of the width of 15mm, length of 100mm and thickness of 1, 1.5, 2 or 3mm. The thickness is eligible when the depth which the feeler gauge is inserted in is less than or equal to 20mm. Ten places should be inspected per 5m2 of masonry surfaces. It is qualified when the condition in which thickness of the brickwork joint is 50% larger than a predetermined depth is not less than five times and it is excellent when the condition is no more than two times.
Q: Detailed description of magnesia dolomite refractory material?
The CaO of magnesia dolomite refractory is beneficial to the purification of molten steel. In the aspect of smelting clean steel, magnesia dolomite refractory also has good dephosphorization and desulfurization effect.
Q: How many external wall thermal insulation fireproof material are there
Class A exterior wall insulation: Rock wool, glass wool, silicate, aluminum silicate, calcium silicate, phenolic foam, foam glass
Q: I wanna ask about the thermal insulation material fire resistant level?
1. The thermal insulation material of level A combustion performance: Rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. combustion performance is level B1 insulation materials: Extruded polystyrene board (XPS) after special treatment / Special treatment of polyurethane (PU), phenolic aldehyde and gelatine powder polyphenyl granule 3, combustion performance is level B2 insulation material: Molding polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. See the 2009 edition construction technical measures 4.3.6 Level A insulation material is only for fireproofing, but its thermal insulation performance is not better than organic XPS \\ EPS and other materials. Thanks
Q: What is refractory?
Refractory materials are widely used in metallurgy, machinery manufacturing, chemical industry, petroleum, power and other industrial fields. It is an inorganic nonmetallic material mostly used in metallurgical industry with the minimum refractoriness of 1580 ℃, able to resist high temperature without softening (annealing). It accounts for 50% to 60% in total output. Refractoriness refers to refractory's ability to resist fire.

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