Product Description
Specification:
Absorption rate : 95% min
Heat radiation rate: 6%max (100 oC)
Vacuum degree: 5X10 -3pa
Stagnation temperature: 200 oC and >250 oC
Structure: All-glass concentric dual tube geometry
Glass material: Borosilicate glass 3.3
*Type I.:
Outer tube diameter and Thickness: dia.47+/-0.7mm, thickness.1.6mm
Inner tube diameter and Thickness: dia.37+/-0.7mm, thickness.1.6mm
*Type II.
Outer tube diameter and Thickness: dia.58+/-0.7mm, thickness.1.6mm
Inner tube diameter and Thickness: dia.47+/-0.7mm, thickness.1.6mm
Tube Length: 1500mm or 1600mm or 1800mm or upon buyer’s request
Life time: 15 years
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