Inner tank adapts 1.2 to 2.0mm SUS3042B stainless steel and automatic wending technology
Outer tank 0.4mm SUS3042B stainless steel heat insulation of water tank adapts 55mm polyurethane foam thickness
Decreases corrosion against 0.6MPa pressure
1.2mm stainless steel frame
Supports adjustable tubes
Power bearing is average and assure tubes to use long time
Vacuum tube adapts super borax and silica glass
Absorb rate: ≥96%
Thermal radiation rate: ≤4%
Resist 25mm hail using life lasts 15 years
Silicon ring to connect and seal them
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