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 temperature is higher, the same sunshine makes different hot water effciency, Adopt American technology and control stritly all the working procedure from cleaning to exhausting, so that the vacuum degree of interlayer in the tube can be 10-3Pa and radiation heat loss can be little. The unique carbonic coating is more reliable than the traditional AL-N/AL coating, and its ageing persistence is better, the coating property is longer, Vacuum tube is made of 3.3 high boron silicon glass and has small thermal expansion rate and high intesity, It can resist impact of hailstone under 25mm
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:
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
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