... Adopt the forth generation of heating products - Superconduct Heat Pipe, which own an marvellous solar energy absorptive ... 2mmMaterial of FrameSS202 or Aluminum, Thickness=1.2mmHeat Transfer Medium:Water/Oil/OtherWater-Glycol/Pure Water, Ratio: ... AIN/CU on GlassConstruction TypeEvacuated Double Glass TubeSuperconduct Heat PipeDimensionsDiameter:58mm, Length:1800mmThermal Insulation and CasingThermal ...