Plain Slitted Polypropylene Film

High-transparency plain slitted polypropylene (BOPP) base film for capacitor manufacturing.
Flyda plain polypropylene film rolls with micron-level gauge uniformity for vacuum metallization.

Plain Slitted Polypropylene Film

It adopts imported polypropylene resin particles, which are biaxially stretched by flat film. It has the characteristics of good thickness uniformity, high mechanical strength and excellent electrical performance. Mainly used in metallized film capacitors, such as AC motor capacitors (AC motor capacitors), low-voltage parallel capacitors (low-voltage power capacitors), energy-saving lamps capacitors (energy-saving lamps capacitors), DC capacitors (DC capacitors), energy storage pulses DC filter capacitor (Energy storage, Pulsed, DC link filter capacitor), photovoltaic wind power capacitor (photovoltaic wind power cylinder capacitor), hybrid electric vehicle capacitor (capacitors for hybdid cars), etc. Regular thickness 2.0um-12um

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Inside/Outside Core Diameter

Inside core diameter ToleranceOutside core diameteTolerance
75mm+1/-0.5mm175mm±25mm
75mm+1/-0.5mm220mm±20mm
75mm+1/-0.5mm280mm±20mm

Specifications of Metallized Polypropylene Film

ItemUnitTypical valueTesting Standard
Densityg/cm30.905±0.005GB/T 13542.2-2009/11
Melting Point℃172±2GB/T 13542.2-2009/23
Tensile StrengthMD (MPa)160GB/T 13542.2-2009/11
Tensile StrengthTD（MPa）300GB/T 13542.2-2009/11
Elongation at BreakTM(%)140GB/T 13542.2-2009/11
Elongation at BreakTD(%)50GB/T 13542.2-2009/11
Elastic ModulusMD (MPa)2500GB/T 13542.2-2009/11
Elastic ModulusTD（MPa）4000GB/T 13542.2-2009/11
Thermal ShrinkageMD（%）3.0GB/T 13542.2-2009/23
Thermal ShrinkageTD（%）0.3GB/T 13542.2-2009/23
Wetting TensionmN/
m		38GB/T 13542.2-2009/10
Surface Roughnessμm0.08±0.02GB/T 13542.2-2009/8
BDV(DC) (Average)V/μm600GB/T 13542.2-2009/18.2
Coefficient of Friction
(Static/Sliding)		(0.7—0.9) /(0.6—0.8)GB/T 10006- 1988
Relative Permittivity2.2GB/T 13542.2-2009/17.1
Volume ResistivityΩ.m>1016GB/T 13542.2-2009/16.1
Dielectric Dissipation Fator2.0×10-4GB/T 13542.2-2009/17.1