Description:
Heating’s accessory is a part of heater. It has a lot of material for option. They are mainly used as an insulator to protect heating tubes. They can bear high temperature and high HV. There are a lot of shapes and specifications. We only list few here. Once you have demands please welcome to contact with us.
Specification:
| Material | Al₂O₃≥99% | Al₂O₃≥95% | ZrO₂≥94% | High frequency talc porcelain |
| HV | 1700 | 1600 | 1400 | 1300 |
| Max. Temp.℃ | 1500 | 1400 | 1600 | 1100 |
| Thermal expansion coefficient | 8 | 7.8 | 10 | 6 |
| Volume resistivity Ω.cm | >1012 | >1012 | >1012 | >1012 |
| Insulation damage strength KT/m | 18 | 16 | 15 | 20 |
| Dielectric constant 1MHZ(E) | 9.2-10.5 | 9.0-10 | 12.5 | 5.8 |



