Tube length: 2000 mm
Outer tube diameter: 58 mm
Inner tube diameter: 47 mm
Glass thickness: 1.6 mm
Thermal expansion: 33X10-60•C
Absorpivity: ≥95%
Coating: AL-NA-L
Inner Tank: SUS304-2Bwith 0.8 mm thickness Stainless
Outer Tank: Steel with 0.6 mm thickness Stainless
Frame: Steel with 1.5 mm thickness
Insulation: 55 mm of high density polyurethane foam