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Help CenterHigh Alumina Fire Bricks for Furnace SK-34
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We are a professional manufacturer of high alumina brick in China's refractory base. Our products have been exported to many countries around the world, such as Austrilia,Canada, Germany, Japan, Turkey, US,UK, Russia, South Korea, South Africa, Saudi Arabia, philippines, Pakistan, etc. Good quality, competitive price, thinking from customer's viewpoint make our products popular.
High alumina brick with the following specifications:
Item: |
LZ-85 |
LZ-80 |
LZ-75 |
LZ-65 |
LZ-55 |
LZ-48 |
|
Al2O3 % |
≥85 |
≥80 |
≥75 |
≥65 |
≥55 |
≥48 |
|
Apparent porosity % |
≤23 |
≤22 |
≤23 |
≤23 |
≤22 |
≤22 |
|
Cold crushing strength Mpa |
≥55 |
≥55 |
≥53.9 |
≥49 |
≥44.1 |
≥39.2 |
|
Refractoriness °c |
≥1790 |
≥1790 |
≥1790 |
≥1790 |
≥1770 |
≥1750 |
|
Refractoriness under loadin 0.2MPa |
≥1550 |
≥1530 |
≥1520 |
≥1500 |
≥1450 |
≥1420 |
|
Permanent linear change |
1500°c×2h |
-0.4~0.1 |
-0.4~0.1 |
-0.4~+0.1 |
-0.4~0.1 |
-0.4~0.1 |
|
1450°c×2h |
-0.4~0.1 |
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