High Temperature Refractory Recrystallized Silicon Carbide Plate

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Product Description:

Specifications

Recrystallized Silicon Carbide plate
1 Material: Sic
2 Max tem: 1650C
3 Density: 2.72g/cm3
4 ISO CE

high temperature refractory recrystallized Silicon Carbide plate

Silicon carbide plate properties

1.High temperature tolerance
2.Corrosion resistance
3.Oxidation resistance.
4.Wear resistance.

The products have the characteristics of high flexing strength at elevated temperatures, high thermal shock resistance. High corrosion resistance and high thermal conductivity, high resistivity against alkalis.

Silicon carbide plate lines:

1. Reaction Sintered Silicon carbide (RBSIC)

2. Recrystallized Silicon Carbide ceramic (RSC)

3. Nitride Bonded Silicon Carbide ceramic (NSC)

4. Sintered Silicon Carbide (SSiC)

Silicon carbide plate applications:

in blast furnace lining, the lining of alumina electrolytic bath and various nonferrous metal smelting, glass tank and ceramic industries, etc. It has good heat conductivity and bearing ability under high temperature. It is suitable to be used in structural ceramics, sanitary ceramics, domestic ceramics, electrotechnical porcelain refractory material, sinter powder metal industry.

Typical Quality Analysis:

Item

SIC-80

SIC-85

SIC-90

SiC,  %      min

80

85

90

Bulk Density ,  g/cm3

2.60-2.70

2.60~2.70

2.70-2.75

Apparent Porosity , %          max

17

16

16

Cold Crushing strength,  MPa     min

150

150

150

rupture strength under normal temperature, MPa

min rupture strength at 1200 Cmin

30 40

40 45

45 50

Thermal Conductivity, w/m.k   min

15  (1000C)

16

18  (800C)

14  (1200C)

thermal expansion coefficient, max

4.7x10 -6 /C

4.7x10 -6 /C

4.7x10 -6 /C


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Q:What are the fireproofing materials of the external wall included?
According to the external wall thermal insulation materials, the external insulation materials is in general divided into Class A and Class B. The A class is non-combustible material. The B class is combustible materials. The fire disasters of the CCTV building and Shenyang hotel are both caused by the B level materials. Generally, the A level material will be used, and some prices are even cheaper than the B-grade material. A level is roughly divided into thermal mortar, phenolic foam Board, rock wool board, foam cement board, and so on. I hope my answer will help you!
Q:What is refractory brick?
Capability1. Refractory brick is also known as firebrick. It is faint yellow or brownish. Refractory brick with 770 ℃ at high temperatures is called for short firebrick. It is mainly used for building and smelting furnace. It is a refractory material made by fring refractory clay or other refractory material.
Q:Physical and chemical indicators of various refractory.
There are too many of them.
Q:Who know about the knowledge of acid refractory material? Please explain in detail.
Refers to the silicon dioxide
Q:What are the models of bauxite with high alumina?
China Ferrous Metal Industry Corporation released the industry standard of bauxite (YS / T78-94) in 1994. According to this standard, bauxite can be divided to sedimentary diaspore, stacked type diaspore and lateritic gibbsite. According to the chemical composition, it can be divided into nine trade marks as LK12-70, LK8-65, LK5- 60, LK3-53, LK15-60, LK11-55, LK8-50, LK7-50 and LK3-40. In addition to the provisions of chemical composition of bauxite, the standard also requires that the water of sedimentary diaspore shall not exceed 7% and water of stacked type diaspore and lateritic gibbsite shall not exceed 8%. Moreover, particle size of bauxite should be not greater than 150mm. Bauxite shall not be mixed with clay, limestone and other debris.
Q:Which are fireproofing external wall materials?
For example, Grade-A waterproofing external wall thermal insulation material: glass wool, foam glass, foam cement, hole-closed perlite, rock wool; Grade-B1 waterproofing external wall thermal insulation material: XPS after special treatment. There are also PU after special treatment, phenolic aldehyde and gelatine powder polyphenyl granule. Grade-B2 waterproofing external wall thermal insulation material: PE, and EPS. Grade-A: Completely fireproofing buliding material. Without probility of burning, completely fireproofing buliding material is expensive and unnecessary for home decoration. It is usually used in arsenal and electrical equipment department store. Grade-B1: nonflammable building material: With good flame resistance, nonflammable building material will not burn in the air or at high temperature, but it maby burn in the air and at high temperature. But when the fire source ransfers, it will be out immediately. Grade-B2: combustible building materials. Due to its small firresistance, it is easy to burn in the air or at high temperature, such as wooden building materials. The above are external wall fireproofing material of different classes.
Q:What refractories can withstand high temperature above 2100 degrees?
It depends on refractoriness of refractory materials. The three refractory bricks above is 300 degrees higher than quartz sand in refractoriness. Magnesia brick: Cast corundum brick with greater than 2000 degrees refractoriness should be enough for you to use. But products like quartz sand merely keeps 1600 to 1700 in refractoriness generally. As you described that refractoriness is greater than 1990 degrees, it is feasible to use hearth made by mixing of quartz sand and refractory cement, which can work for some time at 200 degrees. It is also ok to use dolomite brick whose refractoriness is greater than 2000 degrees.
Q:What refractories are resistant to fluorine gas?
It is recommended to use fused-quartz brick, which will produce hydrofluoric acid fluorine (an acidic gas) when water vapors. It is cheap. While it is recommended to use silica brick if it exceeds 1,200 degrees. So acidic refractory is an advisable refractory for using. It works well if the temperature is below 1200 degrees.
Q:how to classify the fireproofing material levels A1 A2 B1?
their classification is shown specifically in Fireproof  Specification of Building Interior Decoration Design GB 50222-95 appendix A, flammability,inflammability materials, flame retardency, noninflammability: combustion performance of A, B3, B2, B1 materials are divided into
Q:Who can tell me about the foundry refractory materials?
The classification of refractories commonly used in casting and smelting: refractory bricks: siliceous bricks, high alumina bricks, corundum bricks, magnesia bricks, magnesia-alumina bricks, magnesia-carbon bricks,etc. shapeless refractory materials: ramming mass, castable refractory, refractory cement, silica sand, magnesite, etc.

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