$High Purity Black Silicon Carbide / SIC Raw Materials for Refractory System 1$
$High Purity Black Silicon Carbide / SIC Raw Materials for Refractory System 2$
$High Purity Black Silicon Carbide / SIC Raw Materials for Refractory System 3$
$High Purity Black Silicon Carbide / SIC Raw Materials for Refractory System 4$

$High Purity Black Silicon Carbide / SIC Raw Materials for Refractory$

$High Purity Black Silicon Carbide / SIC Raw Materials for Refractory System 1$

$High Purity Black Silicon Carbide / SIC Raw Materials for Refractory System 2$

$High Purity Black Silicon Carbide / SIC Raw Materials for Refractory System 3$

$High Purity Black Silicon Carbide / SIC Raw Materials for Refractory System 4$

High Purity Black Silicon Carbide / SIC Raw Materials for Refractory

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 3000 m.t./month

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SIC 92 High Purity Black Silicon Carbide / SIC

Product name	Silicon Carbide (Carborundum ) / SiC / Black Silicon Carbide / Green Carbide Silica
Model No	BA-20#
Brand name	BA,CHINA
Description	Black Silicon Carbide is produced with high temperature in a electric resistant furnace from a mixture of quartz sand and petroleum coke. Its hardness is between that of fused alumina and synthetic diamond and mechancial intensity of it is also greater than that of fused alumina. It is brittle and very sharp and has a certain degree of electrical and heat conductivity. Black silicon carbide is typically used for working on cast iron ,non-ferrous metals, stone, leather, rubber, and other materials which requires sharp cutting characteristics. The mineral is also used widely as a refractory material and metallurgical additive.
Advantage	1.SiC 98.0%min; 2.Competitive price; 3.Professional service; 4.All kinds of sizes
Parameter	· The shape: polygon · Color: black · Proportion:3:2 · Bulk density:1.45-1.56 g/m³ · Mircohardness:2840-3320g/mm² · Mosh hardness: 9.15 · Package: 25\kg · SiO≥92.5% · Free C≤0.3% · Fe2O3≤1.2%
Usage	1.Grinding non-ferrous materials, rock, stone, leather, rubber, finishing tough and hard materials 2.Bonded abrasive tools, lapping and polishing 3.Widely used as a metallurgical additive and refractory material
Shipping way	By sea, by air, by express
Delivery time	Within 7 days from the receipt of payment
Loading seaport	Shenzhen
Package	25kg/bag with woven bag, 40bags per pallet, or according customers' request
Price term	FOB Shenzhen, CFR,, CIF, FCA, EXW ect
Payment term	100% T/T in advance(negotiation)

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SIC 92 High Purity Black Silicon Carbide / SIC

If you’ve Silicon Carbide enquiry, please don’t hesitate to let us know. ^_^

Q:What do refractory materials include?: What refractories are included? Refractories include AZS brick, corundum brick, direct-bonded?magnesia-chrome, carborundum brick, silicon nitride bonded silicon carbide brick, non-oxide refractory materials such as nitride, silicides, sulfides, borides and carbides, oxidation calcium, chromium oxide, aluminum oxide, magnesium oxide and beryllium oxide.

Q:What is the mechanism of the errosion of the iron to the refractories?: For example, the effect of the iron oxide: Mo corundum given temperature Fe2O3 solid solubility limit of the solid solution formed of corundum stone high solubility than the solid solution Mo Mo corundum lattice shape so Fe2O3Al2O3-SiO2-based material starts melting temperature of the system or the content of Al2O3 and Al2O3 / SiO2 ratio off Al2O3 / SiO2 & lt; 2.55 starting melting temperature of 1380 ℃ when Al2O3 / SiO2 & gt; 2.55 start melting temperature is increased 1460 ℃ and with its Al2O3 content increased gradually to increase the original atmosphere Fe2O3 original FeO off the solvent into the glass phase and the system starts melting temperature drops do not fall to 1240 ℃ 1380 ℃. Lower the melting point, increase the erosion, and reduce the life span.

Q:I would like to know if there is any requirement for refractories in the crucible type high-frequency smelting furnace Worry！ I hope you can help me! This time!: Stable chemical properties. The crucible material should not be hydrolyzed at low temperature. It is difficult to be decomposed and reduced at high temperature and is not susceptible to corrosion by molten slag and molten metal;

Q:What are fire?ratings of wall thermal insulation material?: 1.thermal insulation material with grade A combustion performance: YT inorganic active insulation material for wall thermal,rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2.thermal insulation material with grade B combustion performance: Extruded polystyrene board(XPS)after special treatment/polyurethane(PU) after special treatment, phenolic aldehyde,gelatine powder polyphenyl granule, etc. 3.thermal insulation material with grade B2 combustion performance: Molding polystyrene board(EPS), extruded polystyrene board(XPS), polyurethane(PU), polyethylene(PE), etc.

Q:What requirements should refractory materials meet?: The operating temperature of forging furnace is above 1000, which can ensure the normal operation of the furnace, prolong the life of the furnace and save energy. General requirements for refractories are as follows. 1 They should deform at a sufficient temperature without melting. 2, They should have necessary structural strength without softening and deforming. The volume should be stable at high temperature without expansion, contraction or cracking. 4, They can resist erosion of molten metal, slag, gas and other chemicals.

Q:How to distinguish the fire resistant level of the rubber and plastic thermal insulation material?: Fire?rating grading of external wall thermal insulation materials. 1, China's national standard GB8624-97 divides the combustion performance of building materials external insulation materials into the following grades. Level A: Incombustible materials: Almost no burning materials. Level B1: Incombustible materials: Flame-like material has good fire-retardant effect. In case of fire in the air or at high temperature, it is difficult to fire and doesn't spread quickly, and when the fire source is removed after combustion, it stops immediately. Level B2: Incombustible materials: Combustible materials have a certain flame resistance. In case of fire in the air or at high temperature, it will immediately burst into flames, and easily leads to the spread of fire, such as poles, wooden frame, wooden beams and wooden stairs,ect. Level B3 : Incombustible materials: No flame-retardant effect, hidhly flammable and high fire risk. 2, The external wall thermal insulation materials could be divided according to the fire?rating. 1) thermal insulation material that has the level A combustion performance: Spraying inorganic fiber, glass wool, foam glass, ceramic foam, rock wool, foam cement and perlite obturator, and so on. 2), The thermal insulation material that has level B1 combustion performance: Special processed extruded polystyrene board (XPS) / special processed polyurethane (PU), phenolic and polystyrene powder. 3), Thermal insulation materials that have level B2 combustion performance: Molded polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc.

Q:Which industry does the metallurgy and thermal insulating and refractory material belong to?: It belongs to the refractory industry, which has its own trade association.

Q:Who know about the knowledge of acid refractory material? Please explain in detail.: Refers to the silicon dioxide

Q:What are the models of bauxite with high alumina?: China Ferrous Metal Industry Corporation released the industry standard of bauxite (YS / T78-94) in 1994. According to this standard, bauxite can be divided to sedimentary diaspore, stacked type diaspore and lateritic gibbsite. According to the chemical composition, it can be divided into nine trade marks as LK12-70, LK8-65, LK5- 60, LK3-53, LK15-60, LK11-55, LK8-50, LK7-50 and LK3-40. In addition to the provisions of chemical composition of bauxite, the standard also requires that the water of sedimentary diaspore shall not exceed 7% and water of stacked type diaspore and lateritic gibbsite shall not exceed 8%. Moreover, particle size of bauxite should be not greater than 150mm. Bauxite shall not be mixed with clay, limestone and other debris.

Q:Who knows about roof fireproofing materials?: Roof water proofing materials: synthetic polymer waterproof rolls, high polymer modified asphalt waterproof coiled material, sheet metal, synthetic polymer waterproof coating, one-component water curing polyurethane waterproof coating, penetration crystalline waterproof coating. Secondly, we have to choose materials that are suitable for roof water proofing. The right waterproof materials have better waterproof performance, TS-3B one-component water curing polyurethane waterproof coating is very suitable and the performance is good. Since traditional roof waterproofing materials have requirements on the moisture content of the formation level which should be less than 9%. It is really important to choose which materials to repair leaking roofs. Kitchens and toilets are moisture, the formation levels of buildings are hard to satisfy requirements, thus, waterproof?layer and formation level are easily get separated and are ineffective in waterproofing.

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