i want to know the encapsulation layers in hin film solar cell. In cell description i find that Packaging material is FTFE and adhesive is EVA. i don't have any idea on these materials. I think FTFE is the top layer on solar cell. what kind of material is in black and orange color.

can any one help me out finding the materials by layers wise as i shown in figures. i find one aluminium sheet on which a:si is present.

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