Normal all-glass vacuum tube
Product Details
- Apply for two layers 3.3 high boronsilicon glass tube
- The two layers glass tube, with same axis is vacuumized between them, the vacuum degree can reach 5*10^-2 Pa
- Coated with AL/N/AL selective absorbing coating material
- High absorbing efficiency: the vacuum magnetic-control sputtering selective absorptive coatings on the heat-collecitng plates has a high absorption coefficient of more than 93%, and the emission coefficient around 6%.
- Long life: the life span can reach 15 years.
- High procticability: able to endure impact of hail less than 25mm in diameter with high heat efficiency throughout the year.
Apply for two layers 3.3 high boronsilicon glass tube
- color:black
- Model Number:4.7*1.2m
- Place of Origin:China
- Place of Origin:Zhejiang China (Mainland)
- Country:China (Mainland)
- telephone:86-0523-87983393
| color: | black |
| Model Number: | 4.7*1.2m |
| Place of Origin: | China |
| Place of Origin: | Zhejiang China (Mainland) |
