SHEET FOR SEALING SOLAR BATTERY

摘要

PROBLEM TO BE SOLVED: To provide a sheet for solar battery sealing, capable of reducing stress exerted to an element at a peripheral part and wiping out element cracks, even in the case of sealing a solar battery element by a laminator system. SOLUTION: For this sheet 1 for sealing, in the sheet for solar battery sealing composed by embossing an EVA resin sheet for which organic peroxide, a silane-coupling agent and a required stabilizer are mixed, the one whose compressibility is 10% or higher at 65 deg.C is used for the EVA resin sheet. Even if a temperature difference, exists between a center part and the peripheral part generated at lamination, a sufficient cushion property which will not cause the element cracks to generate in EVA resin is obtained. Especially, ones with VA value (vinyl acetate content) of 27% or higher and with an embossment of embossment depth of 100μm or more is superior.