Insulating refractories, light weight
Detailed Product Description
These series products show the features of superior insulating and energy saving performance, high strength and lower thermal conductivity, and are widely used in metallurgy, building material, petrochemical, ceramic, glass and carbon black industry.
Item | Fireclay | High alumina | High alumina, light weight | Insulating brick | Mullite, low iron content | Hollow ball, alumina |
0.81.3 | 0.61.0 | 0.81.0 | 0.81.0 | 0.81.0 | 1.21.4 | |
AL2 O3 ,%, ≥ | 42 | 48 | 50 | 32 | 60 | 92 |
Fe2 O3 ,%, ≤ | 2.0 | 1.5 | 1.5 | 1.8 | 0.5 | 0.8 |
PLC, ×h, % | ±2 1250×3 | ±1.5 1400×3 | ±1 1400×3 | ±2 1150×3 | ±0.5 1450×3 | ±0.3 1500×3 |
BD, g/cm3, ≥ | 0.81.3 | 0.61.0 | 0.81.0 | 0.81.0 | 0.81.0 | 1.21.4 |
CCS, Mpa, ≥ | 2.53.0 | 3.04.0 | 5.08.0 | 4.05.0 | 4.08.0 | 312 |
Thermal conductivity(350±25), w/(m.k), ≥ | 0.350.5 | 0.350.6 | 0.250.5 | 0.6 | 0.7 | 1.2 (1000,hot side) |
Refractoriness,, ≥ | 1600 | 1500 | 1750 | >1790 |