Verified Company
Zibo Hitech Material Co., Ltd.
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Company profile:ZIBO HITECH MATERIAL CO., LTD is the specialized manufacturer and supplier of refractory in China, Our products mainly include refractory bricks, refractory castable, refractory precast shape, insulating brick etc. For refractory castable and precast shape they are very popular in the Europe, North American area.
Advantage:Our Refractory Brick: with high refractoriness and mechanical behavior under high temperature,Refractory brick is the necessary material of high- temperature service, mainly use for industrial furnaces and kilns and thermal equipments.
Type:We can supply High Alumina Bricks, Fireclay Bricks, Low Porosity Fireclay Bricks, Mullite Bricks, Corundum Bricks, AZS Bricks, Magnesite Bricks, Zircon Bricks,insulating Bricks etc.
Application: they are widely used in the metallurgy, steel, alumina, cement etc industry.
Specification:
High alumina brick
Index Product | LZ-48 | LZ-55 | LZ-65 | LZ-70 | LZ-75 | LZ-80 | LZ-85 | |
Al2O3 % | ≥48 | ≥55 | ≥65 | ≥70 | ≥75 | ≥80 | ≥85 | |
Fe2O3 % | ≤2.5 | ≤2.5 | ≤2.0 | ≤2.0 | ≤2.0 | ≤2.0 | ≤1.8 | |
Refractoriness °C | 1760 | 1760 | 1770 | 1770 | 1770 | 1790 | 1790 | |
Apparent porosity % | ≤23 | ≤23 | ≤23 | ≤23 | ≤23 | ≤22 | ≤22 | |
Bulk density g/cm3 | 2.30 | 2.35 | 2.40 | 2.40 | 2.45 | 2.68 | 2.75 | |
Refractoriness under load 0.2MPa°C | 1420 | 1470 | 1500 | 1510 | 1520 | 1530 | 1550 | |
Cold crushing strength MPa | 45 | 45 | 50 | 60 | 60 | 70 | 70 | |
Permanent linear change % | 1500°C×2h | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 |