$High Purity Black Silicon Carbide / SiC 90 - Raw Materials for Refractory System 1$
$High Purity Black Silicon Carbide / SiC 90 - Raw Materials for Refractory System 2$
$High Purity Black Silicon Carbide / SiC 90 - Raw Materials for Refractory System 3$
$High Purity Black Silicon Carbide / SiC 90 - Raw Materials for Refractory System 4$

$High Purity Black Silicon Carbide / SiC 90 - Raw Materials for Refractory$

$High Purity Black Silicon Carbide / SiC 90 - Raw Materials for Refractory System 1$

$High Purity Black Silicon Carbide / SiC 90 - Raw Materials for Refractory System 2$

$High Purity Black Silicon Carbide / SiC 90 - Raw Materials for Refractory System 3$

$High Purity Black Silicon Carbide / SiC 90 - Raw Materials for Refractory System 4$

High Purity Black Silicon Carbide / SiC 90 - 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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High Purity Black Silicon Carbide / SIC 90

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. raw materials are of high quality: pure silicon carbide, guaranteeing the products’ good quality. 2. sharp knife-edge, having cutting function. 3. Centralized and uniform particle size distribution 4. electrical conductivity 5. heat conductivity 6. chemical stability 7. high thermal conductivity, 8. low expansion coefficient 9. good abrasion-resistance
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	· Black silicon carbide, sic≥98.5%,its toughness is better than green silicon carbide, mostly for processing low tensile strength of the materials, such as glass, ceramics, stone, refractory materials, cast iron and non-ferrous metals.
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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High Purity Black Silicon Carbide / SIC 90

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

Q:The fire prevention board line is made of what material?: The line is a kind of composite stainless steel decorative profiles which outer layer is the matte frosted stainless steel plate and inner liningl is wooden material. It do not need to render with fine wood and also need not to buy a stainless steel plate cutting, cutting, bending, such as multi-channel intricate process, processing production. It is convenient to install through the buckle button directly on the booth. When installation, it only needs to be bolt and plug to be fixed on the wallafter blanking cut. compared with the traditional wooden play crural line, the profile is more beautiful and firm, and environmental friendly. And compared with the traditional craft production of stainless steel line, it's cheaper and more convenient to install. This product is not only sitable to decorate in the family, but also is more suitable for the hotel, hotel, office building, and the application of all kinds of public places.

Q:What's the definition of fire endurance of the fire-resistant coating for steel structure?: 1. Fire endurance. Conduct fire resistance test of any building component according to the standard time-temperature curve, and the time when it is subjected to the fire to the time when it loses support capability or fire insulation function or its integrality is destroyed is referred to fire endurance. 2. Steel has relatively low fire endurance which is usually 0.25h only, namely 15 minutes; 3. Of steel structure buildings, steel can be used as beams, pillars, etc. but its fire endurance is not enough (usually these components have higher requirement on fire endurance, and take pillar as an example, it is usually demanded that the fire endurance should be 2-3h), and under this condition, it needs to brush fire retardant coating so as to raise the fire endurance. As to the specific quantity or types of the fire retardant coating, it is decided upon the actual conditions. In short, the building material needs to meet the required fire endurance of the buildings.

Q:On the problem of making refractory materials: Refractories mainly depend on their high melting point characteristics. The refractory market is mainly Magnesium Oxide material.

Q:Who knows the fire endurance of B-level fireproof doors and windows?: Rock wool board of B-grade fireproof doors keeps 46mm in thickness, doors that are generally used in relatively common fire fighting access, while A-grade fireproof doors are generally used in machine rooms, warehouses, oil depots and other important fire fighting access and flammable and combustible pulbic places. B-grade fireproof doors are more widely used than A-grade fireproof doors.

Q:What is unshaped refractory?: Concrete。 Early concrete technology appears, it is not forming products in the heat furnace, some parts such as pit heating furnace furnace wall, rotary kiln mouth ring, cutting slope and discharge chamber wall, etc., are able to design large masonry (top heating block weighing 3-4 tons) made concrete. Concrete cattle production method is to pour the material into the model, vibration molding, after the release of heat treatment, to provide users in addition to large blocks, weight, in use, and machine pressure brick no essential difference. The amount of water used in the casting material produced by the manufacturer is less than 10% above that in the field, and the processing quality is good and the quality is stable. As the bricks are large and heavy, the site shall have lifting equipment. As long as the site can be hoisted, the concrete shall be used as far as possible, or smaller ones, and some people can lift it. Concrete does not require the user to do a special heat treatment, this point is very meaningful.

Q:Who knows what kind of fire protection material is better?: Characteristic of polyurethane rigid foam thermal insulation decorative composite board: (1) ultra high cost performance, increased property's selling point (high cost performance) new model of thermal insulation material, excellent thermal insulation properties, elegant decorative effect, 50 years of service life, reduce maintenance costs and social waste. (2) it overcomes defects of traditional insulation technology (to solve the freezing and thawing, veneer cracking and shedding) traditional benzene board, the phenomenon of freezing and thawing that is easily appear in plastic extruded sheet, paint finish is easy to crack; its veneer facing can easily fall off; thermal insulation materials and wall are poorly adhered, easy off the whole. There is a themal bridge in dry hanging wall. (the characteristics of polyurethane composite board)

Q:How long is the fire endurance of fire resistant rolling shutter door?: According to the new national standards GB_12955-2008 for fire doors from January 1, 2009, fire doors are classified acoording to thermal insulation fireproof door(A),part heat insulation fireproof door(B) and non thermal insulation fireproof door(C), rather than thermal insulation fireproof door. At the same time, the original fire endurances of class A, B and C fire doors are adjusted to 1.5h, 1.0h and 0.5h respectively. So, GB is 1.5h

Q:What are the applications of refractory busway?: Refractory busway is designed for the power supply in fire-fighting equipment, and it can not be used for other purposes. As the generatrix has good heat resistance, thermal insulation, and the heat of the busway can not be emitted, it can not be used long-term at full capacity. In addition to fire-resistant busway, ther bus lines can operate full-load in long term.

Q:What thickness is needed of the ultra-thin fireproof paint with a fireproof time of 2.5 hours?: There are two kinds: 1, the thickness of the plate is between 20 ~ 50 mm with composite structure 2, sheet thickness is between 6 ~ 15 mm calcium silicate fire prevention board.

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