$Raw Materials for Refractory - Black Silicon Carbide Carborundum System 1$
$Raw Materials for Refractory - Black Silicon Carbide Carborundum System 2$
$Raw Materials for Refractory - Black Silicon Carbide Carborundum System 3$

$Raw Materials for Refractory - Black Silicon Carbide Carborundum$

$Raw Materials for Refractory - Black Silicon Carbide Carborundum System 1$

$Raw Materials for Refractory - Black Silicon Carbide Carborundum System 2$

$Raw Materials for Refractory - Black Silicon Carbide Carborundum System 3$

Raw Materials for Refractory - Black Silicon Carbide Carborundum

Ref Price:

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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Quick Details

Place of Origin:	Henan, China (Mainland)	Shape:	Block	Material:	Silicon Carbide (SiC)
Refractoriness (Degree):	Common (1580°< Refractoriness< 1770°)	Model Number:	SIC	Brand Name:	CNBM
grade:	refractory	usage:	metallurgical additive	application:	lapping and polishing

Packaging & Delivery

Packaging Details:	1.1000kgs in a super big bag 2. 25kg/bag with 40 bags in a big bag 3. 25kg/bag with 40 bags on one pallet
Delivery Detail:	within 7 days

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98.5% pure SIC

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.

$Black Silicon Carbide Carborundum for Refractory$

Chemical composition%
Grit	SiC	F.C	Fe2O3
F12-90	≥98.5	≤ 0.2	≤ 0.6
F100-120	≥98.00	≤ 0.3	≤ 0.8
F150-220	≥97.00	≤ 0.3	≤ 1.2

Application:

Grinding non-ferrous material rock stone leather rubber finishing tough and hard materials

Bonded abrasive tools lapping and polishing

Widely used as a metallurgical additive and refractory material

Specifications:

F12-F1200,P12-P2500

0-1mm,1-3mm; 6/10,10/18;200mesh,325mesh etc.

Other special spec. could be supplied as required.

Packing:

$black silicon carbide carborundum for refractory$

Q:What are the construction measures of refractory material in winter? Please descriptive briefly.: The temperature is low in winter, so refractory bulk materials should be stirred evenly on time to avoid freezing.

Q:Who knows which chrome refractories produced by the Henan refractory plant can be used for continuous casting?: Chrome drainage sand can be used for coupling process there are many manufacturers do it, this is mainly a lot of chrome, chrome iron ore mainly refers to the drainage sand, adding ladle material amount regulator performance guide. Drainage sand as filling material of ladle bottom nozzle, one hand can be sintered at low temperature, to avoid joining the molten steel drainage sand floating accident, on the other hand, in the high temperature and long time refining steel surface can not meet the state of sintering is too thick, otherwise it will affect the automatic pouring rate, Hua Heng worth a try I'm not favored, my sky is the wind or rain rainbow you hate yourself in the manipulation of really useless emotional heart to still ache for breaking up before the sorry shuttle time in the moving picture of the clock in the opposite direction when the initial time begins to move back to love you

Q:What are the differences between first-level fire-resistant materials and second-level fire-resistant materials?: 1, these refer to fire resistance rating of building materials. 2, As for steel, elements that used in different parts should reach different duration of fire resistance according to fire resistance rating. For example, fire resistant pillars of first level can endure fire within 3 hours; the second level, 2.5 hours; the third level, 2 hours. With respect to beams, three levels of fire resistance are included.

Q:What refractory material does cupola lining use?: In order to improve the service life of the lower wall and the bottom leather, dense and high alumina brick can be used for masonry. The front furnace is composed of the bottom, the wall and the top. The top of the furnace is vaulted or hanging flat roof. The front furnace body is usually made of clay brick and high alumina brick, and the bottom work floor is rammed with ramming material. The material is the same as that of cupola furnace. The bridge and the front guard taphole, slag hole and other parts due to erosion by high temperature molten iron and slag erosion, lower service life, frequent repairs. Large blast furnace adopts hot blast or oxygen enriched blast, which has higher temperature and higher production capacity... The damage is faster, and it is hard to maintain production by using clay brick or high alumina brick. Should be used aluminum, carbon or corundum refractory silicon carbide castables pouring or tamping, so that the integrity of good, high strength, corrosion resistance, and therefore significantly improved service life, generally up to one year or so. Refractory materials, including chimneys and spark traps, are used in other parts of the cupola. The chimney and the cupola shaft directly connected with the shell made of steel plate, lined with ordinary clay brick, can also be used ordinary refractory castable pouring. The chimney is provided with a furnace heat exchanger, which can preheat the air to 300~500 DEG C, and the spark collector is used for catching the hot coke and dust particles brought out in the flue gas. The chimney at the top of the reflector (cover) by plate welding, can also be used to cast iron, its lining refractory coating or spraying paint.

Q:Which one is better, fire-resistant wood or steel?: Rebar would weaken and quickly collapse in the fire, and the fire resistance of a heavy log is much better than steel. In many ways, the fire resistance of a large log is equal to reinforced concrete. The heat transfer capacity of wood is 400 times smaller than steel, 8.5 times smaller than concrete. When burning, wood will form a layer of carbon in the surface, and as long as the cross-section of the timber is over a certain size, this layer of carbon it will become an excellent flame retardant layer to protect the interior of the wood from burning. So the United States and Japan and other European countries allow and encourage the use of wood structure with a large section (beam column of 8 inches or more) to construct public buildings without the need for fire treatment applied to wood surface. I hope my answer will be helpful to you.

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 is the Specifications Grading for Fireproof rubber insulation materials ?: At present, China Building Materials has two grading criteria for combustion performance. "Combustion Performance Classification Method of Building Materials" and "Combustion Performance Classification Method of Building Materials and Products" (GB8624-2006). Among them, one of the major changes of GB8624-2006 and GB8624-1997 is to divide the material combustion performance grading from homogenous material)Class A (composite sandwich material), B1, B2 and B3 level five minutes as A1, A2, B, C, D, E, F seven levels.

Q:how to classify Insulating Refractory ?: We are glad to answer your questions! This one is professional. My advice is to go through relevant webs for reference.

Q:Are the rubber insulation materials are refractory materials?: Compared with the fireproofing properties, the main thermal insulation properties of level B1 will be carbonized and drop when it is over 200 degree. <p class="answer-refer mt-10 f-light-gray" accuse="aRefer"> Reference: It is provided from technicians of Guangzhou Ou Fu construction materials: The answer that has been got:

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