Black Cilicon Carbide 1--10mm 90% with High Quality

Black Cilicon Carbide 1--10mm 90% with High Quality

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 2000 m.t./month

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Specifications

Black silicon carbide 99%
1.Sic 99% F.C. 0.35%
2. Fe2O3 0.5%
3.Ture density:3.9
4.Hardness(mohs):9.15

Black Silicon Carbide 1-10mm 90%

It is produced in a high temperature electric resistance-type furnace from a mixture of quartz sand and petroleum coke. The hardness of black silicon carbide is greater than fused alumina but less than synthetic diamond. Its mechancial intensity is greater than fused alumina, but is brittle and very sharp. The mineral has some electrical and heat conductivity. Black silicon carbide is typically used for machining or finishing cast iron ,non-ferrous metals, stone, leather, rubber, and other materials where sharp cutting characteristics are important. The mineral is also used widely as a refractory material or metallurgical additive. More detailed specifications can be supplied on your request.

Black silicon carbide Chemical Composition(%)

Grit Size	SiC	FC	Fe2O3
F12-F90	98.50	<0.20	0.60
F100-F150	98.50	<0.30	0.80
F180-F220	97.00	<0.30	1.20
F230-F400	96.00	<0.40	1.20
F500-F800	95.00	<0.40	1.20
F1000-F1200	93.00	<0.50	1.20
P12-P90	98.50	<0.20	0.60
P100-P150	98.00	<0.30	0.80
P180-P220	97.00	<0.30	1.20
P230-P500	96.00	<0.40	1.20
P600-P1500	95.00	<0.40	1.20
P2000-P2500	93.00	<0.50	1.20

Black Cilicon Carbide 1--10mm 90% with High Quality

Q:What kinds of refractory materials that can resist 3,000 Celsius degree?: I think that graphite is the only one.

Q:How is the division of the fire resistant level of the rock wool board?: It's like this: China's national standard GB8624-97 divides the combustion performance of building materials into the following grades. Level A: non-flammable building materials. Level B1: flame-retardant building materials. Level B2: combustible?building?materials. Level B3 flammable building materials. section II Combustion performance and fire endurance of building components. First, The combustion performance of buildings of building components. The building is composed of components, such as foundation, walls, lubrication columns, beams, plates, roofs and stairs, ect. Building components are constituted by the building materials, whose combustion performance depends on the combustion properties of the used construction materials. Section One Combustion performance of building components. The building components are divided into three categories according to their combustion properties. First, non-combustible component: the component made by incombustible?materials. The incombustible?material refers to that when meeting the Oxygen in the air, it will not burn.

Q:Does anyone knows which company produces the better refractory materials?: A:Building Materials Company of Guangzhou: Near the Baiyun District, Baiyun District, Guangzhou Road, North Road. B：Guangzhou Research & Development Co., ltd.: Liwan District Fengyuan road No.90 in Guangzhou City C: Huitailong decoration materials Co., Ltd.：the 30th floor of No. 111 Pacific Center, Taikang Road, Yuexiu District Guangzhou City D：Guangdong metal materials company: Near Qishan Road, Tianhe District , Guangzhou city.

Q:who knows the fire resistant level of fireproof gypsum board ?: Gypsum board is flame retardant materials, combustion performance rating B1, but when mounted on a steel joist, it can be seen as rating A(non-combustible material) . So it is fine to use as a ceiling. As for the Dragon brand, rock wool can be filled in the mddle according to its design requirements, using different series of gypsum board, steel stud. the walls may have fire resistance and sound insulation property of various degrees. You can randomly choose several samples to run some tests at the quality inspection insititute and the quality of these samples are subject to the testing results.

Q:Does refractory belong to stone, building materials or other?: It belongs to building materials.

Q:What kinds of fireproof and fire retardant materials are there?: general classification of fire retardant materials will use A, B in the home improvement supplies. A has the best flame resistance, followed by B.

Q:How many refractory materials does the annual output of 1 million tons of coke oven require?: Refractory materials are expensive, and any refractory accident will lead to a considerable waste of production time and equipment, and sometimes even the product itself. The type of refractory material will also affect energy consumption and product quality. Therefore, it is very important to select the refractory material which is most suitable for various applications. While the economic benefits have great influence, refractory material most suitable for some applications need not be used for materials, but can achieve a balance between material installation cost and performance, this balance is not fixed, but with the introduction of new technology or new refractory materials and changing. History has proved that unremittingly seek metallurgical process more reasonable and development, greatly promoted the development of refractories, quickly resolve these problems has become the modern refractory steel technology development is an important element. The content of this article is to discuss a number of factors including these issues and to provide information on how to solve them.

Q:Who can introduce the external wall thermal insulation materials fire rating regulations?: External wall thermal insulation materials fire rating regulations, 1, the height of a building is greater than or equal to 100m , the combustion performance of insulation materials should be level A; 2, the height of a building is greater than or equal to 60m but less than 100m, the combustion performance of insulation materials should not be less than the level B2. When using level B2 thermal insulation material, every layer should set horizontal fire barrier zone 3,The height of building is be equal or greater than 24m but less than 60m, the combustion performance of thermal insulation material should not be less than the level B2. When using level B2 insulation material, each two-layer should set fire barrier zone ; 4, the height of building is less than 24m, the combustion performance of insulation materials should not be less than the level B2. Besides, when using level B2 thermal insulation material, each three-layer should set a horizontal fire barrier zone.

Q:What's the fireproof specification for constrcution external wall thermal insulation materials?: incombustible material: Class A1 (homogenous): such as YT inorganic active insulation material for wall thermal, foam glass, rock(ORE) wool, glass wool, insulation?board of aerogel,expanded perlite series, expaned glazed hollow bead, foam insulation boards, ETC. Class A2 (non-homogeneous composite): such as phenolic foam, gelatine powder polyphenyl granule thermal insulation material, inorganic coating materials and other nonflammable material. phenolic foam insulation board, urea resin foam and board, high flame-retardant polyurethane rigid foam and board, high flame retardant polystyrene cystosepiment, gelatine powder polyphenyl granule heat insulating slurry and other combustible?materials. Requirements for combustion levels of common antiflaming EPS, common inflaming retarding XPS, common antiflaming rigid PU foam board: Class A is incombustible?material (product); B1 nonflammable material (product); B2 combustible?material (product); B3 combustible material (product).

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