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Model No. : | LZ-75 |
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Brand Name : | D-FB |
Product description
Items | Mark | ||||||
Hihg Alumina brick | Clay brick | Phosphoric acid dipping clay brick | |||||
GL-65 | GL- 55 | GL- 48 | ZGN-42 | ZGN-42 | |||
Chemical Compositions ( %) ≥ | Al2O3 | 65 | 55 | 48 | 42 | 42 | |
Fe2O3 | 2.0 | 2.0 | 2.0 | 1.6 | 1.7 | ||
P2O5 | - | - | - | - | - | 7 | |
Refractoriness ℃ | 1790 | 1770 | 1750 | 1750 | 1750 | - | |
Apparent Porosity (%)≤ | 19 | 19 | 18 | 15 | 16 | 14 | |
Alkali resistance (strength degradation)%≤ | - | - | - | - | - | 15 | |
0.2MPaRefractoriness under load,℃≥ | 1500 | 1480 | 1450 | 1450 | 1430 | 1450 | |
CCS (Mpa)≥ | 58.8 | 49 | 49 | 58.8 | 49 | 60 | |
Dead burnt linear change(%)≤ | 1450℃×2h | 0/-0.2 | 0/-0.2 | 0/-0.3 | 0/-0.2 | ||
1500℃×2h | 0/-0.2 |
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