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Piezo-electric PVDF Disk

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Properties common to all products in this list

Grade: Piezo-electric Composition: PVDF Form: Disk Material: Polyvinylidene fluoride (PVDF) CAS Number: 24937-79-9 Commodity: Polymers Orientation: Uni-axially Oriented
Piezo-Electric PVDF Disk combines lightweight flexibility with excellent piezoelectric and pyroelectric properties, making it a key material in sensors, actuators, and energy harvesting devices. The disk form offers uniform thickness and defined geometry for integration into precision assemblies such as acoustic pickups, ultrasonic transducers, and vibration monitoring systems. Industries use it in structural health monitoring, medical imaging, and tactile sensing technologies. Research applications include thin-film microphone diaphragms, dynamic strain gauges, and low-power vibration energy harvesters. PVDF’s unique combination of mechanical flexibility, dielectric strength, and responsiveness to stress and temperature changes makes the disk form indispensable in both applied engineering and experimental designs requiring compact, sensitive transduction elements.
Starting at $153.00 each
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Material Properties

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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Available Configurations

Properties common to all products in this list

Grade: Piezo-electric Composition: PVDF Form: Disc Material: Polyvinylidene fluoride (PVDF) CAS Number: 24937-79-9 Commodity: Polymers Orientation: Uni-axially Oriented

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Tolerances

Disc
Thickness ±20%