product
It is made of ceramic fiber. The materials used are high insulation alloy wire or glass yarn.
| physical index | colour | White |
| Max working temperature | 1260℃ | |
| Heat shrinkage(1232℃,24h) | 3.5% | |
| thermal conductivity(538℃,8pcf) | 0.130w/m.k | |
| shot content | <8.5% | |
| Chemical composition | Al2O3 | 45-48% |
| Fe2O3 | 0.7-1.2% | |
| CaO+NaCl | 0.43% |
Used for heat insulation of furnaces, high-temperature pipes and vessels.