- Contact Person : Mr. Zhang Shaofeng
- Company Name : Tangshan Yutong Import and Export Corporation
- Tel : 86-315-3195890,3195891
- Fax : 86-315-3195895
- Address : Hebei,Tangshan,6/F Block B, Orienal Int'l Bldg.152 Jianshe Road
- Country/Region : China
- Zip : 063000
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The main mineral component is mullite and corundum phases, with excellent high-temperature physical properties and chemical corrosion resistance, widely used in every part of blast furnace lining with good work ability.Main Properties
Item | Index | ||||
International code name | SK35 | SK36 | SK37 | SK38 | SK40 |
Chinese code name | LZ-48 | LZ-55 | LZ-65 | LZ-75 | LZ-80 |
Al2O3 min % | 48 | 55 | 65 | 75 | 80 |
Fe2O3 max % | 2 | 2 | 2 | 2 | 2 |
Refractoriness °C, min | 1750 | 1770 | 1790 | 1790 | 1790 |
Refractoriness under load (0.2MPa) °C, min | 1420 | 1470 | 1500 | 1520 | 1530 |
Linear change on reheating (1500°C, 2h) % | +0.1~ -0.4 *1450°C | +0.1~ -0.4 | +0.1~-0.4 | +0.1~ -0.4 | +0.1~ -0.4 |
Apparent porosity max % | 22 | 22 | 23 | 23 | 21 |
Cold crushing strength Mpa, min | 39 | 44 | 49 | 54 | 65 |
High Alumina Bricks for Furnace