Characteristics
1)Excellent thermal stability
2)Excellent chemistry quality
3)Resistance to burning
4)Low thermal conductivity
5)Low heat storage
6)Good obstructing voice and mechanism strength
7)Low shrinkage
8)Good springiness for fibersConvenient producing and installing
Applications
1)Joint sealing and filling insulation (kiln car, pipeline, kiln door and so on)
2)Fiber composite (for example: grinding parcel)
3)Internal and external lining for industrial furnace
4)Structure refractory and sponging sounds
5)Materials for hot filtration
6)Raw materials for further producing
Technical Specifications
Product Feature:
Product category | conventional type | standard type | High Purity type | High-alumina type | Zirconia contenting type | |
Category temperature (°C) | 1100 | 1260 | 1260 | 1360 | 1430 | |
Operating Temperature(°C) | <1000 | 1050 | 1100 | 1200 | 1350 | |
Color | white | spotlessly white | spotlessly white | spotlessly white | spotlessly white | |
volume concentration (kg/m3) | 96 128 | 96 128 | 96 128 | 128 160 | 128 160 | |
permanent linear shrinkage rate (%)(Insulation 24 hours,volume concentration 128/m3 ) | -4 (1000°C) | -3 (1000°C) | -3 (1100°C) | -3 (1250°C) | -3 (1350°C) | |
The hot surface temperature thermal conductivity (w/m.k) volume concentration 128kg/m3 128kg/m3) | 0.09(400°C) 0.176(800°C) | 0.09(400°C) 0.176(800°C) | 0.09(400°C) 0.176(800°C) 0.22(1000°C) | 0.132(600°C) 0.22(1000°C) | 0.76(600°C) 0.22(1000°C) | |
tensile strength (MPa) (volume concentration 128kg/m3 | 0.08-0.12 | 0.08-0.12 | 0.08-0.12 | 0.08-0.12 | 0.08-0.12 | |
elemental composition (%) | AL2O3 | 44 | 46 | 47--49 | 52-55 | 39-40 |
AL203+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 | |
Products size (mm) | Common Specifications7200×610×10-50Other specifications on request made | |||||
