Have passed SRCC, CE, ISO9001:2000, CCC, solar Keymark, SABS and other certification
1) Outer tank material:SUS304 2B stainless steel plate or Colour steel.
2) Inner tank material:SUS304 BA food grade stainless steel plate
3) Supporting frame:Stainless steel plate
4) Isolation layer:50-65mm imported polyurethane foam for superior heat preservation
5) Specification of vacuum tube
Absorption rate:≥93%, thermal radiation rate:≤6%
Temperature when ecposed to sun without water:250 degree, 2.5 hours to boiling if using tube.
Resist 25mm hall, life scale can last 20 years.
6) Type:15, 18, 20, 24, 30 tubes
7) Easy installation and be installed on the roof or at ground level.