项目 | 高铝砖 | ||||
Al2O3,% | ≥75 | ≥65 | ≥55 | ≥48 | |
耐火度,℃ | ≥1790 | ≥1790 | ≥1770 | ≥1750 | |
0.2MPa荷重软化开始温度,℃ | ≥1520 | ≥1500 | ≥1470 | ≥1420 | |
显气孔率,% | ≤22 | ≤21 | |||
重烧线变化率% | 1400℃×2h | ||||
1350℃×2h | |||||
1500℃×2h | +0.1 -0.4 |
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1450℃×2h | +0.1 -0.4 |
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常温耐压强度,MPa | ≥53.9 | ≥49.0 | ≥44.1 | ≥39.2 |
수입신고 1USD |
구매/결제대행 1CNY |
TT송금 1CNY |
---|---|---|
6.95 CNY | 199.59 KRW | 0.149 USD |