China 58% Andalusite Brick Refractory, Find details about China Andalusite Refractory Brick, Refractory Andalusite Castable from 58% Andalusite Brick Refractory
Item | Chemical Composition | |||
Al2O3% ≥ | 58 | 57 | 56 | 55 |
SiO2% ≤ | 38 | 40 | 40 | 41 |
Fe2O3% ≤ | 0.8 | 0.8 | 1 | 1.2 |
K2O % ≤ | 0.077 | 0.12 | 0.16 | 0.16 |
NaO % ≤ | 0.44 | 0.52 | 0.56 | 0.56 |
Reheating Linear Change% ≤ | 0.52 | 0.52 | 0.52 | 0.52 |
refractoriness≥ C | 1830 | 1790 | 1790 | 1790 |