High Quality Solar Vacuum Tube

الوصف

Quick Details

• Place of Origin: Shandong, China (Mainland)
• Model Number: *8/***0mm
• Type: water heating
• Product name: Solar Water Heater Vacuum Glass Tubes
• Application: Solar water heater parts
• Material: Borosilicate glass 3.3
• Tube length: ***0mm
• Tube diameter: *8/*7mm
• Color: Blue
• Thickness: 1.6mm
• Warranty: 5 years
• Emission: <7%
• Absorptive: >*2%

  Packaging & Delivery

  Packaging Details:	standard carton box;  three foaming block  three/two strips  *0/*2/*5/*0 pcs/carton
  Delivery Detail:	*5 days Technical Data All-glass evacuated solar collector tubes Material Borosilicate Glass 3.3 Absorption of SELECTIVE COATING ≥0.*3 (AM1.5) Emission of SELECTIVE COATING ≤0.*6 (*0℃±5℃) Vacuum <3×***3 Pa Stagnation Temperature >**0℃ Solar radiance exposure ≤3.6MJ/m2 Coefficient of Average Heat Loss <0.*0W/(m2℃) Selective absorber coating Aluminum nitrite Maximum Strength 0.6Mpa