FZXTFERROALLOY SMELTING CO.,LTD
FIRE BRICK FOR STEEL MAKING
70 | 55 | 42 | ||
ALUMINA AL2O3 (%) | ≥70 | ≥55 | ≥42 | |
APPARENT POROSITY (%) | ≤24 | ≤24 | ≤23 | |
REHEAT CHANG (%) | 1350OC/2h | +0.1~-0.4 | ||
1450OC/2h | +0.1~-0.4 | |||
1500OC/2h | +0.1~-0.4 | |||
REFRACTORINESS (OC) | ≥1790 | ≥1770 | ≥1730 |