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Detailed Introduction of PV Cells Polyester Film
PET or polyethylene terephthalate film is a thermoplastic polymer commonly referred to as polyester film. Like most thermoplastics, PET films can be biaxially oriented or bubble extruded. Polyester film is one of the most common substrates used in the converting industry because of its balance of properties in relation to other thermoplastic polymers.
Main Application of PV Cells Polyester Film
TPT and TPE are the main material for photovoltaic cells back sheet, which include three layers. P means polyester film.
The good water vapour barrier property, excellent electrical properties and robust "cut-through" and tear resistance makes polyester film become the important component of the TPT and TPE.
The normal thickness used on TPT is 250um and the roll length of the polyester film is adjustable.
Physical Property and Spec of PV Cells Polyester Film
Properties for control reports
Transparent, side whipstitch good, no broken woven, untained.
Elongation At Break
Dimensional Stability (%)
Remark: MD is machine direction, TD is transverse direction. The values above can not be understood as guaranteed values. They are only the basic test values for your reference. If required can be adjusted according to your requirements. Listed are the average test values token from 6.7m and 8.7m width jumbo roll.
Typical Advantage of PV Cells Polyester Film
Three-layer co-extrusion structure
High tensile strength and good toughness
Wetting tension with corona treated side can reach 58 dyne. Good adhesive for metallized layer, printing ink and laminated layer
Better brightness after metallizing because of its higher transparency
Be applicable for high speed printing
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We are big company, stated owned, reliable and safety;
3, Sample available?
Sample is ready for supply as per requirement.
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