PVDF Film

PVDF Film delivers exceptional chemical resistance, mechanical stability, and dielectric properties in a thin, flexible format suitable for protective layers, electrical insulation, and chemical barrier applications. It withstands exposure to acids, bases, and solvents while maintaining flexibility over a wide temperature range. Industries use PVDF films in fuel cell membranes, capacitor dielectrics, and photovoltaic back sheets. Specific applications include protective layers for lithium-ion battery separators, chemically inert microfiltration membranes, and dielectric films in high-frequency circuits. In research, PVDF film is valued for its piezoelectric properties, enabling its use in energy harvesting devices, acoustic sensors, and actuator components. Its combination of formability and resilience ensures continued adoption in high-performance industrial and scientific systems.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Foil

Thickness		±20%

Material Properties for Polymers

Chemical Resistance

Element	Value
Acids - concentrated	Good
Acids - dilute	Good
Alcohols	Good
Alkalis	Fair
Aromatic hydrocarbons	Good
Greases and Oils	Good
Halogenated Hydrocarbons	Good-Fair
Halogens	Good-Poor

Mechanical Properties

Element	Value
Coefficient of friction	0.2-0.4
Hardness - Rockwell	R77-83
Poisson's ratio	0.34
Elongation at break( % )	50
Tensile modulus( GPa )	01-Mar
Izod impact strength( J m⁻¹ )	120-320
Abrasive resistance - ASTM D1044( mg/1000 cycles )	24
Tensile strength( MPa )	25-60

Electrical Properties

Element	Value
Dielectric constant @1MHz	8.4
Dissipation factor @ 1kHz	0.06
Dielectric strength( kV mm⁻¹ )	13
Surface resistivity( Ohm/sq )	10¹³
Volume resistivity( Ohmcm )	10¹⁴

Physical Properties

Element	Value
Flammability	V0
Radiation resistance	Fair
Refractive index	1.42
Resistance to Ultra-violet	Excellent
Limiting oxygen index( % )	44
Water absorption - over 24 hours( % )	0.04
Density( gcm⁻³ )	1.76

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	120-150
Heat-deflection temperature - 1.8MPa( C )	80-115
Lower working temperature( C )	-40
Upper working temperature( C )	135-150
Thermal conductivity( W m⁻¹ K⁻¹ )	0.1-0.25@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	80-140