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  • Product Name: High Alumina Refractory Bricks...
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High Alumina Refractory Bricks For Electric Furnace Roof

Size: Customized

Working Temperature °C: >1790

Application: Electric furnace Roof

Description

Mainly used for electric furnace furnace cover, electrode holes and exhaust holes around ,the service life than silicone brick 1 to 2 times higher.

 

Performance parameters

 

Item DL-80 DL-75 MTD-A MTD-B MTD-80
AL2O3   % 80 75 75 75 80
refractoriness 1790 1790 1790 1790 1790
0.2MParefractoriness under load 1550 1530 1630 1580 1560
linear change on reheating%1550*2h 0-0.3 0-0.4 0-0.3 0-0.4 0-0.3
Apparent porosity % 19 19 20 20 20
room temperature crushing strength 78.5 68.6 70 65 70
thermal shock resistance1100℃) Must process this test and he measured data should be indicated in the quality certificate

Application Areas:

Used for electric furnace furnace cover, electrode holes and exhaust holes around

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