Lightweight Insulating Castable
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Technical Indicators of Lightweight Insulating Castable
| Product number | |||||
| Properties | |||||
| Chemical composition (%) | Al2O3 | ≥20 | ≥45 | ≥95 | |
| SiO2 | ≤52 | ≤35 | ≤0.5 | ||
| Refractoriness (℃) | 1100 | 1300 | 1800 | ||
| Bulk density (g/cm3) (110℃*24h ) | ≤1.0 | ≤1.35 | 1.3~1.5 | ||
| Linear expansion rate (%) (1500℃*3h) | 0~﹣0.5 | 0~﹣0.4 | ±0.5 | ||
| Fracture resistance (Mpa) | 110 ℃ *24h | ≥5/ ≥1.5 | ≥90/ ≥10 | ≥70/ ≥7 | |
| 1100℃ *3h | ≥5/ ≥1.5 | ≥100/ ≥15 | ≥90/ ≥10 | ||
| 1500 ℃ *3h | …… | ... | ≥20/ ≥6 | ||
| Thermal conductivity coefficient (w/m.k) | 350 ℃ *3h | ≤0.21 | ≤0.45 | ... | |
| 1000 ℃ *3h | ≤0.24 | ... | 0.7~0.9 | ||
| Maximum grain size (mm) | 5~8 | 5~8 | 5~6 | ||
| Water consumption (%) (weight ratio) | 15~20 | 20~30 | 9~12 | ||
| Applications | Top layer of head cover of grate cooler of cement kiln,insulation lining for petrochemical industry, insulating parts of pre-heatersystem and so on | High-temperature insulationlining for hard carbon black reaction furnace, petroleum industry and chemistry industry | |||
| Inspection standard | YB/T5202-2003 | ||||
| Packaging | 25kg plastic woven bag with inner film | ||||
Related Names
Refractory Castable | Unshaped Refractory Material
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