Inner tank and outer tank are both o point fourmm food grade stainless steel, welded by argon arc. Heat insulation of water tank adopts polyurethane foam, thickness is fifty-fivemm. The tubes and supports are adjustable, power bearing is average and assure the tubes to use long time. Whole vacuum tube adopts super borax and silica glass. Absorb rate≥ Ninety-three percent, thermal radiation rate≤ Six percent. Resist twenty-five mm hail, using life lasts fifteen years. Silicon ring to connect and seal them.
Inner tank and outer tank are both o point fourmm food grade stainless steel, welded by argon arc. Heat insulation of water tank adopts polyurethane foam, thickness is fifty-fivemm. The tubes and supports are adjustable, power bearing is average and assure the tubes to use long time. Whole vacuum tube adopts super borax and silica glass. Absorb rate≥ Ninety-three percent, thermal radiation rate≤ Six percent. Resist twenty-five mm hail, using life lasts fifteen years. Silicon ring to connect and seal them.
Don’t let a limited budget keep you from getting the comfort equipment you need for your home or business，Sign up to receive our Solar energy expertise by solar pros!
English 
