$High Quality Metallurgical Grade Black Silicon Carbide - Raw Materials for Refractory System 1$
$High Quality Metallurgical Grade Black Silicon Carbide - Raw Materials for Refractory System 2$

$High Quality Metallurgical Grade Black Silicon Carbide - Raw Materials for Refractory$

$High Quality Metallurgical Grade Black Silicon Carbide - Raw Materials for Refractory System 1$

$High Quality Metallurgical Grade Black Silicon Carbide - Raw Materials for Refractory System 2$

High Quality Metallurgical Grade Black Silicon Carbide - Raw Materials for Refractory

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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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Quick Details

Place of Origin:	China (Mainland)	Brand Name:	CNBM	Model Number:	CF180# 240# 320# 800# 1200#
Material:	SIC	Usage:	Lapping, Polishing,Blasting, Refractories	Abrasive Grain Sizes:	46#..1200#...2000#..2500#
color:	black and green	hardness:	9.15 mosh	melting point:	2250

Packaging & Delivery

Packaging Details:	bags, cartons
Delivery Detail:	15-20 days

Specifications

silicon carbide Size Available:
F10-F220,F240-F1200
Other special size could be supplied as required.

1.used for made abrasive products 2.professional manufacture 3.prompt reply-within 24hours 4.prompt delivery-within 15days.





Grit	SiC	F.C.	Fe2O3
F12-F90	98.50%min	0.20%max	0.60%max
F100-F150	98.00%min	0.30%max	0.80%max
F180-F220	97.00%min	0.30%max	1.20%max
F230-F400	96.00%min	0.40%max	1.20%max
F500-F800	95.00%min	0.40%max	1.20%max
F1000-F1200	93.00%min	0.50%max	1.20%max
P12-P90	98.50%min	0.20%max	0.60%max
P100-P150	98.00%min	0.30%max	0.80%max
P180-P220	97.00%min	0.30%max	1.20%max
P230-P500	96.00%min	0.40%max	1.20%max
P600-P15000	95.00%min	0.30%max	1.20%max
P2000-P2500	93.00%min	0.50%max	1.20%max
Black Silicon Carbide is brittle and sharp and has electrical and heat conductivity in some degree. Aplications : Black Silicon Carbide is suitable for make grinding wheels, cutting wheels, mounted wheels, oil stone, abrasive media, and also suitable for surface grinding, lapping or polishing. The abrasive products made of it are suitable for working on Cast Iron, Non-ferrous Metal, Rock, Leather, Rubber, Wood, Ceramic, etc. Black Silicon Carbide is also broadly used as high-grade refractory material and metallurgical additive.

High Quality Metallurgical Grade Black Silicon Carbide

Q: The fire prevention board line is made of what material?: (1) if it's real wood floor, the line should be made of wood. The ready-made wooden line, walnuts, price range depends on the texture width. The common width is 100 mm. One linear meter is around $17 - $30. Paulownia is cheaper with one linear meter more than 10 yuan. When it is composite wood floor, high-density plate modelling line can be used. The price is commonly between 40 to 80 yuan (2400 x 1200 mm), which depends on the thickness and density and also the factory. There are also imitated wooden aluminium line. (3) if it's the marble ground, you would better use marble line, which is 200 yuan one square meter. It's price is also unequal. The imitated stone is also available. There are a lot of kicking decoration materials and it depends on how you use it. That is to say crural line should be coordinate with the ground. It means that it sjould not only to be beautiful but also to be practical. It would be better if it is relatively cheap as well.

Q: How long is the fire-fighting time of A class fire resisting window?: Duration of fire resistance of A class fire resisting window is not less than 1.2 hours; B class window is not less than 0.9 hours. And when install fire window, you must use Level to correct or use hanging line method to correct verticality of four directions, making its same horizontally anf vertically. Window frame must be integrated with the building, using wooden or metal parts connected to the wall. After steel frame is installed, cement mortar must be watered between window frame and wall , and is maintained more than 24 hours before normal use.

Q: How to calculate the thickness of choosing refractory? Such as steel ladle should choose what kind of refractory and using what thicknes?: I feel the concrete thickness should depend on the experience and the actual situation. As for the specific method, I also can't say too accurately. If it's ladle, it generally chooses alumina magnesia castable.

Q: what's the varieties of fire-proof?sealing?material?: Fire blocking material currently on the market include: fire stopping board, foam blocking material, flame resisting module, fire-resisting sealant, flexible organic caulking, WXY-II and fire retardant bag, etc. fire-proof?sealing?material is widely used in building construction and can ensure high-temperature flame and smoke from fires not spread to another fire?compartment, different buildings generally use different sealing methods. Pipeline is generaly sealed by pouring concrete board or mortar.

Q: The classification of fire-resistant material: Refractory material cna be divided into common and special fire proofing material. Common fire proofing material can be sub-divided in to acid fire proofing material, neutral fire proofing material. and alkaline fire proofing material according to chemical properties. Special fire proofing material can be divided into high temperature oxide refractory, refractory compounds and high temperature composite materials according to the composition. In addition, it also can be divided into common refractory products (1580 ~ 1770 ℃), high-grade refractory products (1770 ~ 1770 ℃) and super refractory products (above 2000 ℃) according to the strength . According to the shape, it can be divided into block (standard brick, special-shaped brick, etc.), special shape (crucible, sagger, pipe, etc.), fibrous (aluminum silicate, zirconia and boron carbide, etc.) and irregular shape (refractory clay, refractory castable, ramming material and so on). According to sintering process, it can be divided into sintered product, fused cast product and melting jetting product.

Q: How to divided the grade of external wall thermal insulation materials?: Synthesized the three versions of GB8624 (1997,2006,2011), external wall thermal insulation fire?rating can be basically divided into: A1, A2, B1, B2, B3 and other levels. There are many technical indicators to make specific division, but I partly cannot report for a while, because it is very professional and technical. I hope I can help you!

Q: Who can introduce the external wall thermal insulation materials fire rating regulations?: 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. I feel the best insulation materials should be modified phenolic board, which can keep insulation and fireproofing, but the unit price is very expensive. Insulation materials in the domestic market have some disadvantages, it is better to considere the materials within the acceptable range in the building needs.

Q: Can you tell me the classification of fireproof sealing material.: Fire blocking is to use fire blocking material as partition between cable threading hole and electric hole. Its role is to prevent the cable itself catacausis or outside naked light make the fire spread to achieve the purpose of protecting the safety of personnel and equipment. The principle of fire-proof sealing is plugging material acting as bloating heat absorption and heat insulation. Fireproof sealing material in current market include: fire-proof sealing plate, foam sealing materials, flame retardant module, flexible organic plugging material, inorganic fire sealant, plugging and fire package, etc. The wide usage of fire-proof sealing material in building construction can ensure the fire flame and high temperature flue gas not to extend another fire partition tendril.

Q: Why should graphitic refractory materials be used now that graphite can burn?: C is inactive in nature. Carbon will not burn unless the temperature is about 2000℃, so it can't be lit generally. Coal can be lit because it contains other combustible substance which ignite carbon indirectly. While graphite, carbon black, is more pure and dense than coal., so it is hard to oxidize.Their molecular structures are also different, just like diamond is harder than graphite.

Q: The principle of choosing fire-resistant material in Thermal Energy and Power Engineering equipment.: Different thermal technology equipment has different operation condition and select different refractory material. We should take economical and practical as principle.

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