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Piezo-electric PVDF Metallized Film

Grade: Piezo-electric
Formula: PVDF
Form: Metallized Film
Material: Polyvinylidene fluoride (PVDF)
CAS Number: 24937-79-9
Commodity: Polymers
Orientation: Uni-axially Oriented
Piezo-electric Polyvinylidene Fluoride (PVDF) Metallized Film is a highly versatile piezoelectric material offered in Goodfellow's range of specialty films. With 23 variations, these thin piezoelectric PVDF films exhibit properties like mechanical flexibility, chemical resistance, and high piezoelectric voltage constant. Potential applications include sensors, transducers, hydrophones, and energy harvesting devices. The metallized surface allows direct bonding for simplified integration into end products. Overall, Goodfellow's selection of piezo-electric PVDF metallized films provides options for prototyping and developing innovative piezoelectric systems.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Metallized Film
Thickness ±10%
Sizes
Linear dimension <100mm ±1mm
Linear dimension >=100mm +2% / -1%

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

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