... GlassExternal Pipe Diameter & Thicknessdia.=47±0.5mm &=1.6mm, dia.=58±0.5mm &=1.6mm,dia.=70±0.5mm &=2.0mm ... .=47±0.5mm &=1.6mm,dia.=58±0.5mm &=1.6mm, Pipe Length1500mm, 1600mm, 1700mm, 1800mm, 1900mm, 2000mmAbsorptive Coating PropertyStructureCu/SS-ALN ... Obtaining a Preset Water TemperatureH≤4.7 MJ/ m²(dia.58)H=3.7~4.2 MJ/ m²H≤3.7 ...