Feuerbeton

Refractory Castable1. Clay bonded refractory castable ItemIndexCC-45 CC-60 CC-70 CC-60G CC-65G Al2O3 content, % ≥ 45 60 70 60 65 Bulk density, g/cm3 ≥ 2.30 2.35 2.50 2.38 2.40 Cold crushing strength, Mpa ≥ 110x24h 9 10 11 13 15 1000x3h 35 40 45 45 50 1400x3h 40 45 50 50 50 Linear on reheating % 1400x3h ±0.6 ±0.5 ±0.4 ±0.5 ±0.4 Max. service temperature, 1400 1450 1500 1450 1500 Water consumption, % 6 8 6 8 6 8 6 8 6 8 2. Low cement castable ItemIndexLCC-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 3. Insulating castable ItemIndexIC-0.6 IC-0.8 IC-1.0 IC-1.2 IC-1.35 IC-1.5 Al2O3 content, % ≥ 25 35 40 42 45 50 Bulk density, g/cm3 ≥ 0.6 0.8 1.0 1.2 1.35 1.5 Cold crushing strength, Mpa ≥ 110x24h 1 3 4 5 6 7 900x3h 1.0 1.5 2.5 4.0 4.0 4.5 1200x3h --- 3.0 4.0 4.0 6.0 7.0 Linear on reheating % 900x3h -0.3 -0.3 -0.5 -0.1 -0.3 -0.2 1200x3h --- -0.9 -0.7 -0.2 +0.5 +0.5 Thermal conductivity, w/(m .k) 350 0.26 0.30 0.35 0.28 0.40 0.45 Max. service temperature, 800 1000 1200 1250 1300 1350