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China Fire Bricks, Refractory Bricks, Fireclay Bricks, Mullite Bricks, Find details about China Refractory Brick, Fireclay Brick from Fire Bricks, Refractory Bricks, Fireclay Bricks, Mullite Bricks - Qingdao Western Coast Advanced Materials Co., Ltd.
Brand Item |
Fire Clay | High Alumina | |||
Al-40 | Al-42 | Al-50 | Al-65 | Al-75 | |
Al 2 O 3 % ≥ | 40 | 42 | 50 | 65 | 75 |
Refractoriness ( º C ) ≥ | 1730 | 1750 | 1750 | 1790 | 1790 |
Refractoriness under load (Ta º C) ≥ | 1350 | 1400 | 1420 | 1500 | 1520 |
Permanent linear change % | 1400 º C × 2h +0.1~-0.4 | 1400 º C × 2h +0.1~-0.4 | 1450 º C × 2h +0.1~-0.4 | 1500 º C × 2h +0.1~-0.4 | |
Apparent Porosity % ≤ | 24 | 22 | 22 | 23 | 23 |
Cold Crushing Strength Mpa ≥ | 24 | 35 | 40 | 50 | 55 |
Bulk Density (g/cm 3 ) ≥ | 2.1 | 2.2 | 2.30 | 2.3 | 2.4 |