Edge sealing function of photovoltaic panels
Because of the sensitivity of some photovoltaic devices to moisture-induced corrosion, they are packaged using impermeable front- and back-sheets along with an edge seal to prevent moisture ingress.
Because of the sensitivity of some photovoltaic devices to moisture-induced corrosion, they are packaged using impermeable front- and back-sheets along with an edge seal to prevent moisture ingress.
A properly designed edge seal with a balanced set of properties can prevent such moisture ingress and significantly extend the service life of a module.
Here’s how to effectively seal the PV module edges:Importance of Edge Sealing: The edges of PV modules are vulnerable areas where moisture can infiltrate if left unsealed. Applying Sealant to PV Module Edges: Apply the selected sealant along the edges of the PV module, ensuring complete coverage and a consistent layer of sealant.
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