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High Aluminum Insulation Firebrick for metallurgy industry
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|
Items |
PLG-1.0 |
PLG-0.8 |
PLG-0.5 |
PLG-0.4 |
|
Al2O3 % , ≥ |
56 |
54 |
52 |
50 |
|
Fe2O3 % , ≤ |
2.0 |
2.0 |
1.5 |
1.5 |
|
Bulk density g/cm3 |
0.8 |
0.5 |
0.4 |
|
|
Crushing strength Mpa, ≥ |
7 |
5 |
3 |
1.5 |
|
0.1Mpa refractoriness under load °C, ≥ |
1400 |
1400 |
1250 |
1250 |
|
W/m.k(350±5°C)HR |
0.45 |
0.35 |
0.25 |
0.20 |
