High Allumina Bricks
Brand |
LZ-48 |
LZ-55 |
LZ-65 |
LZ-75 |
Al 2 O 3 , % ≥ |
48 |
55 |
65 |
75 |
Refractoriness , ℃ ≥ |
1750 |
1770 |
1790 |
1790 |
0.2Mpa Refractoriness Under Load, ℃ ≥ |
1420 |
1470 |
1500 |
1520 |
Cold Crushing Strength , Mpa ≥ |
39.2 |
44.1 |
49.0 |
53.9 |
Apparent Porosity , % ≤ |
22 |
23 |
23 |
23 |
Permanent Linear Change,% |
1450 ℃ ,2h |
1500 ℃ ,2h |
1500 ℃ ,2h |
1550 ℃ ,2h |
0.1 ~ -0.4 |
+0.1 ~ -0.4 |
+0.1 ~ -0.4 |
+0.1 ~ -0.4 |
|
Range Of Application |
Common High Temperature Kilns |
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