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    Thermoset PO film

    TF4 & TF8 & TFW-8015


    Product introduction

    F·RST?  TF series film are a cross linking type of polyolefin encapsulant material developed by Hangzhou First PV. With good moisture barrier properties, weather resistance, optical transmittance, TF-series products can protect module working normally at high humidity environment, and provide prolonged PID-resistance for solar module. 
    F·RST? TFW-8015 PO film is white PO product, specifically designed for the backside encapsulation of normal PV modules and double-glass PV modules. It is used between cells and rear materials. F·RST? TFW-8015 PO is characterized as highly reflective. Its unique optical property can increase the effective utilization of light ultimately enhancing the power output of PV modules. 

    Performance parameter

    Properties Test Method Units TF4 TF8 TFW-8015
    General gram weight FST Method g/m2 410±20 410±20 410±20
    Length FST Method m/roll 130 130 130
    Width FST Method mm Customization0/+7 Customization0/+7 Customization0/+7
    Density ASTMD792 g/cm3 0.88±0.02 0.88±0.02 0.94±0.02
    Melting range FST Method 40-80 40-80 40-80
    Shrinkage Rate(120,3min) GB/T29848 MD% <2.0 <2.0 <3.0
    TD% <1.0 <1.0 <2.0
    UV-Cutoff Wavelength FST Method nm -- 360 370
    Transmittance 1100nm-380nm GB/T29848 % >90 >90 <10
    380nm-290nm % >70 <30 <10
    Reflectance1100nm-380nm FST Method % - - >90
    Gel content GB/T29848 Gel% >60 >60 >60
    Volume Resistivity IEC62788-1-2 Ω·cm >1.0×1015 >1.0×1015 >1.0×1015
    WVTR ASTMF1249 g/m2.24h <5.0 <5.0 <5.0
    Strength of Peeling from Glass GB/T29848 N/cm >60 >60 >60
    Strength of Peeling from TPT GB/T29848 N/cm >40 >40 >40
    Note: The gram weight, thickness, length and width of product can be customized.


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