China Ha Needling Heat Isolation Thermal Ceramic Fiber for Heat Pipes, Find details about China Insulation, Ceramic Fiber from Ha Needling Heat Isolation Thermal Ceramic Fiber for Heat Pipes
Characteristic | (1) Excellent chemical stability; (2) Excellent thermal stability; (3) Excellent tensile strength; (4) Low thermal conductivity; (5) Low heat capacity; (6) Excellent insulation properties; |
Typical Use | (1) Industrial furnace wall lining; (2) Back lining material; (3) Furnace masonry expansion joints, door, roof heat insulation seal; (4) High temperature pipe insulation material; (5) Module / folded module processing material; (6) Fireproof coating |
Type | Common | Standard | High Purity | High Alumina | Zirconia | |
Classification temperature (°C) | 1100 | 1260 | 1260 | 1360 | 1400 | |
Working Temperature (°C) | <1000 | 1050 | 1100 | 1260 | 1350 | |
Color | White | Pure white | Pure white | Pure white | Pure white | |
Density (kg/m3) | 96/128/160 | 96/128/160 | 96/128/160 | 128/160 | 128/160 | |
Shrinkage on heating (%) (24 hours, density as 128/m3) | -4 (1000°C) | -3 (1000°C) | -3 (1100°C) | -3 (1250°C) | -3 (1350°C) | |
Thermal conductivity by different temperature (w/m.k) (density as 128kg/m3) | 0.09(400°C) 0.16(800°C) | 0.09(400°C) 0.16(800°C) | 0.09(400°C) 0.16(800°C) 0.20(1000°C) | 0.12(600°C) 0.20(1000°C) | 0.16(800°C) 0.20(1000°C) | |
Tensile strength (MPa) (density as 128kg/m3) | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | |
Chemical composition (%) | AL2O3 | 44 | 46 | 47-49 | 52-55 | 39-40 |
AL2O3+SiO2 | 96 | 97 | 99 | 99 | - | |
AL2O3+SiO2+ZrO2 | - | - | - | - | 99 | |
ZrO2 | - | - | - | - | 15-17 | |
Fe2O3 | <1.2 | <1.0 | 0.2 | 0.2 | 0.2 | |
Na2O+K2O | ≤0.5 | ≤0.5 | 0.2 | 0.2 | 0.2 | |
Size (mm) | 14400/7200/4500/3600×1220/610×6-50; Other sizes can be available. |