Solar Heatpipe vacuum tube Collector European Solar Keymark certified

Description

   *Number of evacuated tubes: *0pcs
*Total collector area (height, width): ***0 X ***5mm
*Aperture area: 2.*4㎡ (*0.*7 sq.feet)
*Gross area: 4.**1㎡ (*9.*5 sq.feet)
*Material of the cover tube:Borosilicate Glass3.3
*Absorption of selective coating: *5%
* Emission rate of selective coating: 6%
*Outer diameter of the cover tube: *8mm
*Outer diameter of the inner tube: *7mm
*Length of the outer tubes: ***0mm
*Outer diameter of heatpipes: 8mm
*Inner diameter of heatpipes: 6.5mm
*Length of heatpipes:***0mm
*Material of Isolation: Mineral Wool