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Silicon Carbide Bricks

Silicon Carbide Bricks, Silicon Nitride Bonded Sic Brick / SiC brick is made of high quality synthetically made silicon carbide grains (SiC) and selected bonding components, including nitride, Si3N4.


Silicon Carbide Bricks has great features such as high thermal conductivity, high thermal shock resistance, low thermal expansion coefficient, high corrosion resistance, high bending strength, and excellent resistance to liquid aluminum erosion capability.


SiC brick is particularly ideal for application in high temperature furnaces and in waste incineration plants.


The Si3N4 SiC blocks are widely used as lining bricks of large aluminum electrolytic cell. Using nitride bonded silicon carbide products enlarges the tank capacity, improves the thermal conductivity, enables rapid cooling, and increases the tank production capacity at the same time. Alumina and cryolite of eutectic content can form on bricks' surface, which can protect the tank lining work layer, and prolong the tank's service life. Therefore, silicon nitride bonded silicon carbide bricks are widely used in the aluminum industry.


KT Refractories distributes Silicon Carbide Bricks of the best quality at the most competitive prices worldwide.


Call 1-877-365-2995 to order Silicon Carbide Bricks, and our fast, responsive customer service and reliable delivery service will save you time and money!

Typical Silicon Carbide Bricks Technical Data Specs

Indexes

Silicon Carbide Bricks

Si3N4-SiC

Si2ON2-SiC

Sialon-SiC

SiC % min

72

72

72

Si3N4 % min

25

20

25

Free Si % max


0.4


0.2MPa RUL starting temperature °C min

1750

1650

1750

Typical Apparent Porosity (%)

15

18

14

Cold Crushing Strength MPa

150

150

150

Rupture Strength MPa (1400°C × 0.5h) min

45

30

55

Room Temperature Rupture Strength MPa min

50

30

45

Resistance to thermal shock (>= Times) (1100°C Water Cooled)

40

40

40


Silicon Carbide Bricks (SiC)

BAND Properties

SC-1

SC-90

SPEC

TYPICAL

SPEC

TYPICAL

Apparent Porosity (%)

≤18

13.5

≤17

14.0

Bulk Density

≥2.55

2.65

≥2.45

2.60

Cold Crushing Strength (kg/cm2)

≥700

1100

≥800

1100

Chemical Composition


(%)

SiC

≥88.0

90.0

≥90.0

91.7


Features

Applications

Applications

KT Silicon Carbide Nitride Bonded Brick Spec

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