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1. Refractory castable
2. Al2O3:70-75%
3. Density:2.3-2.4g/cm3
4. Modulus of rupture:4-6Mpa
Classification: Low cement Castable
Main raw material: Fire clay, Bauxite
Bonding type; Hydraulic
Working method: Vibrating
Liquid addition: Water
Amount of liquid addition: 8--12%
Grain size : 0-10mm
Storage limit: 12 months
Item Index LCC-50 LCC-60 LCC-70 LCC-80 LCC-90 Al2O3 content, % ≥ 50 60 70 80 90 CaO content, % ≤ 2.5 2.2 2.0 2.0 1.8 Bulk density, g/cm3 ≥ 2.35 2.45 2.50 2.60 2.95 Cold crushing strength, Mpa ≥ 110x24h 20 25 30 30 40 1000x3h 45 50 55 55 65 1400x3h 60 65 70 70 80 Linear on reheating % 1400x3h ±0.5 ±0.4 ±0.4 ±0.3 ±0.4 Max. service temperature, 1400 1450 1500 1550 1650 Water consumption, % 6 ~ 7.5 6 ~ 7.5 6 ~ 7.5 6 ~ 6.5 6 ~ 6.5