Silicon Carbide For Abrasives and Refractory

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China main port
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TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
2000 m.t./month

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Product Description:

Silicon Carbide For Abrasives and Refractory

1.Green, crystal structure, high hardness and strong cutting ability, stable chemical characteristics, good thermal conductivity.

2.Among abrasives, silicon carbide’s hardness is higher than corundum, and ranked below diamond, CBN and boron carbide. 

3.Density generally viewed is 3.20−3.25g/ mm3 , natural bulk density is 1.2−1.6g/ mm3 , specific gravity is 3.20˜3.25g/ mm3

 

Raw material are petroleum coke and quality silicon sand, appended with salt, then smelted in electric arc furnace. Mechanical strength is higher than corundum.  

Silicon Carbide For Abrasives and Refractory




 

Particle size comparison of commonly used abrasive:


Particle size distribution (micron)

Chemical composition

Physical composition

Size

D3

D50

D94

SiC ≥(%)

Fe2O3 ≤(%)

F•C ≤(%)

PH Value

Bulk Density

Magnetic Materials≤(%) 

GC#800

≤20.0

14.0±1.0

≥9.0

99.00

0.20 

0.2

6--8

1.18

0.008

GC#1000

≤18.3

11.5±1.0

≥7.0

98.50 

0.20 

0.2 

6--8

1.15

0.008

GC#1200

≤17.5

9.5±0.8

≥5.5

98.50

0.20 

0.2

6--8

1.13

0.005

GC#1500

≤14.5

8.0±0.6

≥4.5

98.00 

0.20 

0.2

6--8

1.12

0.005

GC#1800

≤13.5

7.0±0.6

≥4.2

98.00

0.20 

0.2

6--8

1.05

0.005

GC#2000

≤13.0

6.7±0.6 

≥4.0

98.00

0.20 

0.2

6--8

1.00

0.005

 Main applications: 

solar and semiconductor wafer wire sawing; crystal and ferrite polishing; ceramic and special steel precision polishing; bonded and coated abrasive tools; cutting and polishing; non−ferrous metal lapping such as glass, stone, agate and high−grade jewelry; high−grade refractory materials , engineering ceramic, heating elements and thermal elements. 

 

For wire-sawing of solar and semi-conductor

Usage:

Green silicon carbide is used for wire−sawing of monocrystal silicon, polocrystalline silicon, potassium arsenide, quartz crystal etc, it is the engineering processing material in solar photovoltaic industry, semi−conductor industry and piezoelectric crystal industry.

 

Feature:

1.high purity and large crystal silicon carbide ingots ensure the excellent cutting capability and stable physical condition.

2.Grains are isometric with sharp edge, which ensure the even self-sharpening capability as cutting material and minimum TTV of the products been cutted.

3.Particle size distribution is narrow and even.

4.High heat−resisting and refractoriness under load guarantee the small wire expansion in processing, suitable to all kinds of wire saw machine.

5.Grain surface possessed specially, micro−powder with clean surface and easily fit cutting fluid, such as polyethyleneglycol and so on. 


Company Information

 

Silicon Carbide For Abrasives and Refractory

Q1. Will the FREE SAMPLES be provided for buyers?

- YES. We will provided FREE SAMPLE about 1kg 

Q2. How about the express fee?

- Our company’s policy is the buyer pay for express fee.

Q3. Is there QUALITY REPORT for the products?

- YES. We provide quality report of our company or CIQ,SGS according to client‘s requirement

 


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Q:what are the requirements of fireproofing material?
The producing process of fire and moth proof wood: firstly, put general wooden materials into solution with calcium, aluminum and other cations, then soak it into the solution with phosphate radical, silicate and other anions. Thus, the two ions will be carried out chemical reaction in the wood, forming a ceramic-like material, and intimately fill the voids of cells, so that the wood has the fireproofing and mothproof properties.
Q:For refractory, why is it necessary to store the first mixing materials for some time under proper moisture and temperature?
It is mainly to remove gas form chemical reactions in the pug, give full play to plasticity and binding properties of combined, and store unburned brick whose cememting agent is phosphoric acid or aluminium phosphate for some time under proper moisture and temperature. For example, to avoid the formed bricks in the initial stage of drying and firing form cracking due to hydration of calcium oxide. Mixing materials is to store the first mixing materials for some time under proper moisture and temperature in order to improve the evenness and moldability of pud, such as making the distribution of combined clay and water more even. The length of storing chiefly depends on the process requirements and the characteristics of blanks. For the producing pug of high temperature kiln furnitures, the storing time is longer. The function of storing mxing materials varies with different natures of blanks. For honeycomb ceramics, it is to fully digest calcium oxide in blanks. For storing magnesia brick blanks containing much calcium oxide, it should be stored for some time in proper humidity and temperature.
Q:What is the concept of lightweight refractory material?
Lightweight refractory material has high porosity, mechanical strength and erosion resistance. Compared with normal refractory bricks, it is a kind of refractory material with large volume shrinkage in high temperature, low thermal conductivity and small bulk density. It is used as thermal insulation material in industrial furnace and other thermal equipments. It has poor wear resistancel.
Q:Can you tell me the classification of fireproof sealing material.
Organic fireproof sealing material include: fire-proof sealing plate, foam sealing materials, flame retardant module, flexible organic plugging material, inorganic fire sealant, plugging and fire package, etc. Organic plugging material take organic materials as the adhesive with certain flexibility or plasticity when used. The product is thick liquid or cement. Inorganic plugging material take powder of solid inorganic material as the main ingredients, and admixture mixed use, with proper workability. Fireproof bag apply bag shaped object made up by fire-proof materia to large hole fire plug or cable tray fire compartmentation (fire package also called as refractory package or fire protection package). Fire modules is made up of fireproof material, which is a solid with a certain shape and size and can be easily cut and drilled, suitable for holes or fire-proof sealing of cable tray. fireproof sealing material is the plank made up of fireproof material, which is a solid with a certain shape and size and can be easily cut and drilled, suitable for holes or fire-proof sealing of cable tray. Foam block after injection holes can lathery foam and seal hole. Sealing strip is made of fire prevention materials with certain geometry shape or flexible coil geometry.
Q:I want to know what is the slim in the refractory bricks
lining brick and refractory clay in the teeming ladle; high alumina brick, high alumina lining brick and high alumina refractory mortar can make cement kiln and glass melting furnace in the building materials industry for anti-slide. Taiyuan in Shanxi province is the famous place of origin; hard paste in the refractory clay is used as blast furnace refractory: // b, in agriculture as a fertilizer high alumina clay is also used in oil wells, which generally do not dip in water; accounting for 2/3 of abrasive products in the metallurgy, hard and semi-hard clay can be manufactured as ceramics for daily use. what you said should be slime. High-alumina clay can be resistant to high temperature after calcination! Refractoriness refractory clay refers that the refractoriness is more than 1580 ℃ with greater hardness and specific gravity and high refractoriness. except higher refractoriness, such as aluminum sulfate, the dosage accounts for about 70% of refractories; refractory clay and high alumina fused cast brick are widely distributed in China.
Q:What are the raw materials of refractory? And what are their names?
Q:What is the fireproofing requirements of external wall thermal insulation materials?
According to the "building external wall insulation fire barrier zone technical regulations" to be published: it is not less than the level B2. But before the procedure was published, it should be strictly implemented the document, level A is the best, I hope to help you, hope to adopt
Q:Who knows how many poured refactory material are there?
Pouring refractory material can be classified into the followings according to the body density: Heavy (> 2.0g\cm3), medium heavy (1.0-2.0g\cm3), light (0.4-1.0g\cm3); by binding agent: Combination of hydration, chemical binding, condensation, hydration and condensation: Clay, high alumina, silica, magnesia, alumina magnesia, magnesium and chromium, magnesium zirconium, silicon carbide etc.. Clay brick, high alumina brick, bead brick, silica brick, light mullite, alumina hollow spherical brick, oxidation zirconium hollow spherical brick, corundum brick, magnesia brick, magnesia brick, magnesia alumina spinel brick, magnesia chrome brick and so on
Q:What are the chemical composition of refractory cement?
Calcium aluminate prepared by calcining as the main component. Aluminate cement takes bauxite and limestone as raw materials, alumina content of about 50% as the clinker. And it is a hydraulic cementing material made by grinding. Refractory cement is also known as aluminate cement.
Q:How to make the service life of refractory materials longer?
Take acid resistant refractory materials as example: the atmosphere should be acidic atmosphere, if used in an environment whose temperature is 1900℃, it would exacerbate the loss of refractory materials, so don’t use overloaded. Second, select the appropriate refractory materials according to the environment. For example, if its operating temperature is 1800℃, generally speaking, the normal use of it according to the instruction of refractory materials would be fine.

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