Solar panel raw material

Back sheet (PET)

Back sheet ( PET )

Specification of solar panel back sheet

1	Three layered backsheet with	Outer layer: Fluoro-Polymer
		Midder layer: PET
		Inner layer, Fluro-Polymer / UV Resistant Polymer
2	Width	985+/- 2mm
3	Thickness	0.27mm
4	Length perroll	150m
5	Colour	White or Black
6	Adhesion strength( with EVA)	More than 40N/10mm
7	Tensile strength	MD100MPa TD100MPa
8	Elongation @Break min	MD 100% TD90%
9	Thermal Shrinkage max	MD1.5% TD0.5%
10	Transmission rate	Small than 2g/( m2- day
11	Dielectric Strength	More than 18KV
12	Partial Discharge	More than 1000VDC