Introduction
It is mainly made of ceramic fiber and molded by special textile processing. It is used for heat insulation of various kilns, high-temperature pipelines and containers, etc.
Physicochemical indexes
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% |
Features
- Working in 1000-1300 ℃, low heat conduction, heat resistance
- High insulation, long service life
- High corrosion resistance, no chemical reaction with aluminum, zinc and other non-ferrous metal
Advantages
- Maximum service temperature at 1000-1300℃
- High tensile strength, low thermal conductivity and wear resistance
- High electrical insulation and long service life
- Strong corrosion resistance, not easy to be corroded by aluminum, zinc and other non-ferrous metals
Application
Used for heat insulation of furnaces, high-temperature pipes and vessels.