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Main Properties
Item | Index
| ||
SK-30 | SK-32 | SK-34 | |
Al2O3 % min | 35 | 38 | 42 |
Fe2O3 % max | 2.5 | 2.5 | 2.5 |
Refractoriness °Cmin | 1700 | 1720 | 1740 |
Linear change on reheating % (1400°C, 2h) | +0.1~ -0.4 | ||
Apparent porosity % max | 24 | ||
Cold crushing strength Mpa min | 25 | 30 | 35 |
Bulk Density, g/cm3 min | 2.0 | 2.15 | 2.2 |
Refractoy bricks Fireclay bricks