Name  | High aluminum refractory brick  | ||||||||
Index  | LZ-48  | LZ-55  | LZ-65  | LZ-75  | |||||
Al₂O₃  ≥  | Alumina Block  | 48  | 55  | 68  | 75  | ||||
Refractoriness℃  ≥  | Common (1580°< Refractoriness< 1770°)  | 1750  | 1770  | 1790  | 1790  | ||||
Refractoriness under load KD ℃   ≥  | Cutting, Moulding  | 1420  | 1470  | 1500  | 1520  | ||||
Rate of change of refiring line   %  | 1500℃*2h  | +0.1 -0.4  | +0.1 -0.4  | +0.1 -0.4  | |||||
1450℃*2h  | +0.1 -0.4  | ||||||||
1400℃*2h  | |||||||||
Apparent porosity  % ≤  | 22  | 22  | 23  | 23  | |||||
Cold crushing strength MPa ≥  | 39.2  | 44.1  | 49.0  | 53.9  | |||||
Use  |  *General industrial kilns  | ||||||||
| Contactpersoon : | Elizabeth | 
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