项 目 \ 牌 号 | 高热震耐火制品 | 红柱石制品 | RDL-75 | ML-72 | SDHA55 | HRN-48 | HRN-42 | HLE | SDHB | SDHD | SDHS | SDDE | SDHR | | Al2O3 % | ≥75 | ≥72 | ≥55 | ≥48 | ≥42 | ≥57 | ≥65 | ≥53 | ≥57 | ≥55 | ≥60 | Fe2O3 %
| ≤1.2 | ≤1.2 | ≤0.8 | ≤1.5 | ≤1.5 | ≤1.2 | ≤0.8 | ≤1.0 | ≤0.8 | | ≤1.5 | TiO2 %
| | | | | | | ≤0.5 | ≤0.6 | ≤0.5 | | ≤0.5 | | K2O+Na2O % | ≤0.5 | | | | | ≤0.6 | ≤0.6 | ≤1.2 | ≤0.6 | ≤1.2 | ≤0.6 | ≤1.2 | ≤1.0 | ≤0.6 | ≤1.2 | 杂质 %
| | | | | | | ≤0.7 | ≤0.7 | ≤0.7 | | ≤0.7 | 耐火度 ℃ | ≥1790 | ≥1790 | ≥1760 | ≥1750 | ≥1750 | | | | | | | 显气孔率 %
| ≤22
| ≤23
| ≤20
| ≤21(24)
| ≤23(24)
| ≤20(22)
| ≤20 | ≤20 | ≤20 | ≤24 | ≤20 | 常温耐压强度 Mpa
| ≥60 | ≥50 | ≥55 | ≥40 | ≥40 | ≥40(30)
| ≥50 | ≥40
| ≥40 | ≥40 | ≥40 | 常温抗折强度 Mpa
| | | | | | ≥15(12) | ≥18 | ≥15 | | | | | 荷重软化温 ℃ | T2≥1550 | KD≥1550 | KD≥1550 | T2≥1550 | T2≥1520 | T0.5≥1420
T2≥1580 | T0.5≥1520
T2≥1630 | T0.5≥1350
T2≥1490 | T0.5≥1470
T2≥1580 | T2≥1580 | T0.5≥1460
T2≥1600 | 0.2MPa蠕变率
(20～50)h %
| 1550℃×50h
≤0.8 | | | | | | 1500 ℃
≤0.2 | 1350 ℃
≤0.2 | 1400 ℃
≤0.2 | 1450 ℃
≤0.2 | 1450 ℃
≤0.2 | 重烧线变化率 %
| 1550 ℃×2h
+0.1～-0.2 | 1450 ℃×2h
±0.1 | 1450 ℃×2h
±0.1 | 1450 ℃×2h
0～-0.2 | 1450 ℃×2h
0～-0.2 | 1500 ℃×4h
±0.2 | 1500 ℃×4h
±0.2 | 1400 ℃×4h
±0.2 | 1500 ℃×4h
±0.2 | 1500 ℃×4h
±0.2 | 1500 ℃×4h
±0.2 | 热震稳定性,次(1100℃ 水冷)
| ≥15 | ≥100 | ≥30 | ≥30 | ≥30 | ≥20 | | 950℃
≥30 | 950℃
≥30 | | | | 使用部位 | 拱顶 | 燃烧室 | 蓄热室、拱顶、
大墙、格子 | 热风管道 | | | | | |
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