solar vacuum tube
Product Details
the average heat loss coefficient is Ult=0.6-0.7W(.)
idle sunning property parameters is Y=220-260./KW
vacuum tightness is P
solar vacuum tube: 3.3high borosilicate glass
- Place of Origin:China (Mainland)
- Country:China (Mainland)
- telephone:86-573-87871377
| Payment Terms: | L/C,T/T |
| Place of Origin: | China (Mainland) |
