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| Item | Castable for Raw Material Mill | Water-resistant Castables | ||||||
| JP-92K | JP-92 | JP-85 | JP-82 | |||||
| Al2O3+SiC % | ≥92 | ≥92 | ≥85 | ≥82 | ||||
| Bulk density g/m³ | 3.1-3.2 | 3.1-3.2 | ≥3.0 | ≥2.9 | ||||
| Cold crushing strength MPa | 110℃*24h | ≥180 | ≥180 | ≥150 | ≥120 | |||
| 1100℃*3h | ≥150 | ≥150 | ≥100 | ≥80 | ||||
| 1500℃*3h | ≥120 | ≥120 | / | / | ||||
| Modules of Rupture MPa | 110℃*24h | ≥17 | ≥15 | ≥12 | ≥10 | |||
| 1100℃*3h | ≥13 | ≥13 | ≥10 | ≥8 | ||||
| 1500℃*3h | ≥10 | ≥9 | / | / | ||||
| 1500℃*3h
Permanent linear change % |
±0.2 | ±0.3 | ±0.3 | ±0.3 | ||||
| CC Resistance to Wear | ≤6 | ≤6 | ≤7 | ≤8 | ||||
| Method of Installation | Ramming or Vibration | |||||||
| Application | Raw mill scraper vessel, feed down pipe | Recoup duct elbow | High temperature gas pipe, throat opening | |||||
| Characteristics | With high strength,low creep and expansion in high temperature,good resistance to corrosion and termal shock. Easy tobe cured,demolded and baked. Uneasy to burst | |||||||