Browsing articles tagged with " permeation instrument"
Dec
24
2010
Articles

Water Vapor Permeation Testing for Solar Cell Backsheet

Water Vapor Permeation Testing of Solar Cell Backsheet Film plays the most important role on the quality control of solar cells. The backsheet can protect the photovoltaic components, like solar panel. The main quality of the backsheet is determined by its water vapor barrier property. If the backsheet can not block the water vapor in the air, the vapor will enter and break the bonding force between EVA layer and the panel. When the water vapor contact with solar panel directly, the solar panel will be oxidated and lose its function of generating current.

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