9) Emittance: 0.065
10) Heat loss coefficient:
Baoguang Solar Vacuum Tube Description:
Widely used for solar water heater and solar water heating project
| Package: | Packing: packed by cartons with polyethylene foam strengthened. |
| Supply Ability: | 30,000 Piece/Pieces per Day |
| Minimum Order Quantity: | 200 Piece/Pieces |
| Payment Terms: | T/T |
| Port: | Shanghai |
| Fob Price: | US$1.2-4.5Shanghai |
| Glass: | Triple-target coated |
| Pipe Material: | Glass |
| Application: | Solar Thermal |
| Type: | Pressurized |
| Model Number: | TT47-1800 |
| Brand Name: | BAOGUANG |
| Place of Origin: | Germany |