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Silicon Carbide Plate

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Description

Silicon Carbide plate is combined with high purity silicon carbide and ultra fines, shaped by vibration, made by high sintering. The SiC plate is an oxide bonded silicon carbide based product, which is used in Kiln Furniture. It is featured with high bending strength at elevated temperature, good abrasion resistance, Resistance to thermal shock, high thermal conductivity and offers a good life.

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

Characteristics:

ü It has the characteristics of ware resistance, thermal shock resistance, high temperature structural and high resistivity to alkalis.

ü Excellent thermal stability and distortion resistance at high temperature

ü High mechanical strength at high temperature

ü Excellent thermal shock resistance

ü High thermal conductivity

ü Excellent oxidating resistance

ü Excellent corrosion resistance at high temperature

ü Excellent corrosion resistance against chemicals

ü High abrasion resistance

 

Application:

It mainly find its 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.


Technical Data

Chemical Composition      (SIC >=)

%

90

Physics property

Max. Service Temp.

oC

1550

Refractoriness                      >=

SK

39

2kg/cm2 Refractoriness under load T2   >=

oC

1750

Modulus of Rupture at room temp.      >=

Kg/cm2

500

Modulus of Rupture at 1400oC         >=

Kg/cm2

550

Compressive  strength              >=

Kg/cm2

1300

Thermal Expansion at 1000oC

%

0.42-0.48

Apparent Porosity

%

7-8

Bulk Density

g/cm3

2.70-2.75

Thermal Conductivity at 1000oC

Kcal/m.hr.oC

13.5-14.5


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Zhengzhou, Henan, China

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