solar water heater vacuum tubesell solar water heater vacuum tube for home use1.Inner tank:SUS304/ 2BFood Grade stain steel ,0.4mm 2.Outer tank:Galvanized steel,0.4mm,diamater of water tank:460mm 3.Insulation layer:50mm high dense integral polyurethane foam4.Bracket:Galvanized steel ,1.2mm,1.5mm.Angle:20-50degree. 5.Vacuum tube: borosilicate glass 3.3 Three-target vacuum tube(58mm *1800mm). Hail resistance: 25mm
High Quality Solar vacuum Tube:1.high-activity: solar spectral absoprtion increased 14%,reflectance reduced by 30-40%2.high heat conductivity:Heat-resistant 200°C or so, anti-Alpine, minus 3 °
1, Vacuum tube is consists of two layer of glass tubes2, ISO900:2000, CE certificate;3, 0.91 transmittance of outer tube.4, The outer tube is made of extremely strong transparent quartz sand which can
We adopted adanced Nanometer Technolgy. Vacuum tube Nanometer molecular engineering is applied to greatly improve the absorption function, the heat collecting ability increase 18%, the water temperatu
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