
Standard: Solar Keymark, EN 12975 standard
Description: Constitutes: vacuum tube , heat pipe cooper ,fins, heat transfer fluid, header, insulation layer
Absorb area: 0.970m2
Length of the tube: 1.8m
Numbers of the tube: 12pcs
Operating pressure: 600 kPa
Material of the cover tube: Borosilicate glass
Transmission of the cover tube: 90%
Outer diameter of the cover tube: 58mm
Thickness of the cover tube:1.8mm
Material of the fins: Aluminium
Thickness of the fins: 0.3mm
Sealing material: Silicon ruber
contact: himin24@hotmail.com
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