Black Silicon carbide/SiC/Carborundum 90% with high quality

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Loading Port:
Tianjin
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TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
3000 m.t./month

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Product Description:

Black Silicon carbide/SiC/Carborundum 90% with high quality

1.Structure of Silicon Carbide Description

Black Silicon Carbide is produced with high temperature in a electric resistant furnace from a mixture of quartz sand and petroleum coke.

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. 

2.Main Features of the Calcined Bauxite

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.

3.Main usage of the Calcined Bauxite

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

4.Refractory

4. Calcined Bauxite Images

 

Black Silicon carbide/SiC/Carborundum 90% with high quality

Black Silicon carbide/SiC/Carborundum 90% with high quality


5. Calcined Bauxite Specification


Specifiction

SiC

F.C

Fe2O3

Moisture

SiC 86

86%min

2.4%max

2.0%max

0.2%max

SiC 88

88%min

2.3%max

2.0%max

0.2%max

SiC 90

90%min

2.0%max

1.8%max

0.2%max

SiC 92

92%min

1.8%max

1.7%max

0.2%max

SiC 93

93%min

1.8%max

1.6%max

0.2%max

SiC 95

95%min

1.0%max

1.3%max

0.2%max

SiC 97

97%min

0.8%max

1.2%max

0.2%max

  SiC 97.5

97.5%min

0.8%max

0.9%max

0.2%max

SiC 98

98%min

0.5%max

0.5%max

0.2%max



6.FAQ of Calcined Bauxite

1). Q: Are you a factory or trading company?

A: We are a factory.

2). Q: Where is your factory located? How can I visit there?

A: Our factory is located in Ningxia, China. You are warmly welcomed to visit us!

3). Q: How can I get some samples?

A: Please contact me for samples


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Q:What's the fire endurance of A grade fireproof glass curtain wall?
An hour and a half, an hour, and half an hour. As a key step in the home fire prevention, fire door is particularly important. According to the fire endurance and heat insulation performance, it can be classified as follows: A class fire door with fire endurance of no less than 1.5h; B class fire door with fire endurance of no less than 1h; C class fire door with fire endurance of no less than 0.5h. We can choose according to different needs, while A class fire door and B class fire door are now commonly used. Fire door has great varieties, and the material it uses is also of wide range. It includes stainless steel fire doors, glass fire doors, steel fire doors, etc. The most important feature of fire door is its fire resistance period. The main difference between A class fire door and B class fire door lies in their fire endurance, of which the former is no less than 1.5h, while the latter is no less than 1h. Difference between A class fire door and B class fire door also lies in their fireproofing material. That is the thickness of the built-in fire prevention board, of which A class fire door is 52mm, while B class fire door is 46mm. Therefore A class fire door obtains longer fire resistance period than that of B class fire door and gains better fireproof performance. A class fire door and B class fire door also differ in the places they are used. A class fire door is generally used in important fire fighting access of machine rooms, warehouses and oil depots, etc. and flammable and explosive public places, while B class fire door is generally used in the ordinary fire fighting access of some ordinary buildings. But B class fire door is more widely used than A class fire door.
Q:What are the requirements for the performance of refractory materials?
Refractory materials should have very high refractoriness, high temperature heat load and resistance to softening, melting; with high volume stability, resistance to high temperature and heat load, volume shrinkage and only uniform expansion; high strength at room temperature and high temperature strength, high load softening temperature, under the joint action of heat load and heavy load, no loss of strength, creep collapse; Electric furnace analysis should have good resistance to thermal shock, resistance to rapid temperature changes, no crack, not flaking; with excellent slag resistance.
Q:Preparation of refractory clay
Is it to make refractories? Add some andalusite to the refractory mortar will improve the effect.
Q:Why the corundum can be used as refractory
Because the main component of corundum is aluminum oxide!
Q:Does the production of refractory belong to advanced technology?
Refractories belong to the area of new materials which is one of the eight areas that are supported by the state. Whether it can be declared as high-tech enterprises or not depends on the intellectual property, personnel and finance of the company.
Q:whether the aluminum silicate thermal insulation material is fireproof or not?
aluminum silicate is fireproof, and the melting point is between -40 ~ 800 ℃. Aluminum: it takes the flint clay clinker as raw material, produced by resistance or electric arc furnace fusion and injection fiber-forming process. its characteristics: Low thermal conductivity, excellent thermal and chemical stability, without binder and corrosive material.
Q:how is the high-temperature flame-retardant fibre board?
The market is mainly divided into three kind of fiber. Density fiberboard, medium density fiberboard, high density fiberboard. Density fiberboard: It is rolled timber sheet made of wood shaving material produced by timber or non timber fiber that is added with or without glue or auxiliary material. A density of less than 450 kg / cubic meter, the larger fiber particles, the internal structure is not homogeneous, relatively lack of strength, lighter weight. MDF: use wood fiber or other plant fiber as material, added with glue. A sheet pressed at high temperature and pressure. A density between 450-880 kg / cubic meter, fiber particles is moderate, well proportioned internal structure, greater strength, moderate weight. HDF: Use wood fiber or other plant fiber as material, added with glue. A sheet pressed at high temperature and pressure. Its density is about 880 kg / cubic meter, small fiber particles, well proportioned internal structure, greater strength, greater weight. there are also artificial boards such as chipboard and melamine board in the market, generally used for making furnitures. the thickness of fiberboard that is produced and controlled more flexibly, is generally 5 per cent (general bulk price of 30 yuan per square meter), 9 cm (50 yuan), 18 cm (100), 25 cm (120), etc. There are thicker. However, proper deviation is acceptable. The board is usually thicker or thinner than the specified thickness. For example, It is only 16mm when specified 18mm.
Q:what materials can make external wall fireproofing paint have the fireproofing effect
Fire retardant coating material is composed of the base material (film forming substance), pigments, ordinary paint additives, fire retardant agent and dispersion medium. Except fire retardant agent, the function of other coating component is same to the commom coating, but the performance and the dosage have special requirements.
Q:Who knows the texture of fire-proof wooden door material?
Steel door, wooden door or steel wooden door can be inset fireproof laminboard, such as rock wool, perlite. Perlite (fireproof doors filling material, fireproof doors raw material) using for fireproof door core is mainly used for the filling material of fireproof doors and security doors. Fire protection, thermal insulation, good sound insulation effects, and higher performance than aluminum silicate wool and rock wool. The combustion performance of perlite using for fireproof door core reaches class A non-combustion, which is new type of fireproof doors filling material with characteristics of low cost, good fireproof performance and excellent environmental protection performance. The advantages of fireproof door core perlite as fireproof door filling material: 1, Good fireproof performance, so it has a function of fire prevention. Environmental protection: all materials are environmentally friendly products. Pollution-free: the product is composed of glass fiber reinforced materials and inorganic binder. 2, with characteristics of non-flammable, non-explosive, water-resistant, oil-resistant, chemical erosion resistant, non-toxic and good mechanical strength, etc. The product can be used for mechanic processing like sawing, drilling, gouging, etc. High fire resistance, in the simulated combustion tests, it doesn't deform when the flame temperature reaching 800 degrees, has good fire retardant and fire-resistant properties. 3, product material is cheap, suitable for all kinds of fireproof materials. Perlite fireproof board is made by pressing the expanded perlite powder and high temperature fireproof adhesive through mould, suitable for the filling material of fireproof wooden door and fireproof steel door, which is the substitute products of aluminum silicate wool and rock wool. 4, has advantages of light volume-weight, high refractoriness, strong compressive strength, small thermal conductivity, non-flammable, non-toxic, tasteless, non-pollution, etc.
Q:What's the material of electrical fire prevention board?
Industrial electrical fire prevention board is usually made of flame-retardant fiberboard, and its main purpose is for fire prevention and thermal insulation. Iron plate is electrically conductive with good thermal conductivity, which will cause the result that the equipment is not insulated and suffers larger superheating surface!!!! So the material uses the flame-retardant fiberboard. Hope my answer is helpful for you.

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