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Engineering 185°F - 300°F | Polyvinylidene Fluoride (PVDF)

TECAFLON PVDF

Polyvinylidene fluoride, or PVDF, is a fluorinated thermoplastic resin which has outstanding resistance to most mineral and organic acids, aliphatic and aromatic hydrocarbons, alcohols, halogenated solvents, and oxidizing environments. It also has outstanding aging resistance, with its properties remaining constant after many years.

  • Superior chemical resistance
    PVDF has a high chemical resistance to strong acids, aliphatics, and aromatics, and to numerous mineral organic compounds.
  • Remarkable fire resistant properties
    In the Underwriters' test, PVDF was given the highest classification (V-O), indicating that it was non-flammable and self-extinguishing.
  • UV and gamma radiation stability
  • Very high dielectric and piezoelectric constants
  • Absolutely non-toxic
    PVDF can be used in repeated contact with food products. Its surface, like glass, is unfavorable to the proliferation of microorganisms.
  • Good mechanical properties in tension as well as in deflection, torsion, and compression compared to other fluorinated polymers
  • Does not swell or alter in a wet environment
  • Uses standard machining and welding techniques

TECAFLON® PVDF's excellent chemical and physical properties and the ease with which it can be processed make it especially suitable for components in the chemical, petrochemical, hydrometallurgical, pharmaceutical, food, nuclear, and paper and pulp industries, as well as the semiconductor processing industry.

  Properties Condition Units Value
Physical Chemical Designation PVDF
Filler
Density g/cm3 1.78
Mechanical Tensile Modulus @ 73 °F PSI 350,000
Tensile Strength @ Yld @ 73 °F PSI 8,100
Tensile Strength @ Brk @ 73 °F PSI 7,800
Shear Strength @ 73 °F PSI
Elongation @ Yld @ 73 °F %
Elongation @ Brk @ 73 °F % 35
Flexural Modulus @ 73 °F PSI 310,000
Flexural Strength @ 73 °F PSI 14,700
Compressive Modulus @ 73 °F PSI 160,000
Compressive Strength @ 73 °F, 10% strain PSI 11,600
Izod (charpy) Impact Strength @ 73 °F ft-lbs/in 2
Rockwell Hardness @ 73 °F M (R) Scale 79
Coefficient of Friction Static
Coefficient of Friction Dynamic, 40 PSI, 50 FPM
Wear (K) Factor in3-min/ft-lbs-hr
Limiting PV psi-fpm
Thermal Vicat Softening Point °F
Melting Temperature °F 342
Heat Deflection Temperature @ 66 °F 300
Heat Deflection Temperature @ 264 °F 235
Service Temperature Intermittent °F 300
Service Temperature Long Term °F 300
Thermal Expantion (CLTE) in/in/°F 7.1*10-5
Specific Heat BTU/lb-°F
Thermal Conductivity BTU-in/hr-ft2-°F 1.32
Electrical Surface Resistivity ohms/square
Volume Resistivity ohm-cm 5*1014
Dielectric Strength V/mil 280
Dielectric Contant @ 60 HZ, 73 °F, 50% RH 9
Dissipation Factor @ 60 Hz, 73 °F 0.06
Other Moisture Absorption @ 24 hrs, 73 °F % 0.02
Moisture absorption @ Saturation, 73 °F %
Flammability UL 94 V-0
Food Grade Y
Relative Cost $$ $