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| Absorption of SELECTIVE COATING | ≥0.93 (AM1.5) |
| Emission of SELECTIVE COATING | ≤0.06 (80℃±5℃) |
| Vacuum | <3×10-3 Pa |
| Type | Non-pressure |
| Coating | ALN/ALN-SS-CU |
| Solar radiance exposure | ≤3.6MJ/m2 |
| Stagnation Temperature | >200℃ |
| Tube Life | 15 years |
| Package | Four foam block or customized |
| Application | Solar Water Heater solar thermal |




1.About MOQ :the MOQ is 5000 pcs,it can be load almost 7200 pcs of tubes in one 40HQ container.
2. About Sample: Sample is Free but the air filght is paid in the .
3. About Price: The price is negotiable. It can be changed according to your quantity or package. When you are making an inquiry, please let us know the quantity you want.
4. About warranty: We are very confident in our products, and we pack them very well, so usually you will receive your order in good condition. But due to long time shipment there will be 0.8% damage for the glass products. Any quality issue, we will deal with it immediately.
5. How long time we can recieve the tube if we set order? The tubes will delivery in one week after you set the order if the quantity is not beyong our production capacities.










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