KYNAR® 740 PVDF natural

Polyvinylidene fluoride (PVDF)

​KYNAR® PVDF is a highly chemically resistant crystalline thermoplastic. It is used extensively in the chemical processing industry by users looking for plastic chemical resistance. The material is also chosen because of its unique properties which include outstanding chemical and solvent resistance, good corrosion resistance, good thermal stability, outstanding UV resistance, and low flammability.

Compliances

Facts

Chemical designation
PVDF (Polyvinylidene fluoride)
Color
white
Density
1.78 g/cm3

Main Features

  • excellent chemical resistance
  • inherent flame resistance
  • high gamma radiation resistance
  • good UV and weather resistance
  • good mechanical properties
  • low moisture absorption
  • good machinability

Target industries

Downloads

Technical details


  • product-technical-detail-collapse-item-0-lvl-1
    Mechanical properties Value Unit Condition Test Method
    Tensile strength at break 8,000 psi @ 73 °F ASTM D 638
    Modulus of elasticity
    (tensile test)
    300,000 psi @ 73 °F ASTM D 638
    Elongation at break (tensile test) 35 % @ 73 °F ASTM D 638
    Flexural strength 13,000 psi @ 73 °F ASTM D 790
    Modulus of elasticity
    (flexural test)
    400,000 psi @ 73 °F ASTM D 790
    Impact strength (Izod) 1.9 ftlbsin @ 73 °F ASTM D 256
    Rockwell hardness 79 - M Scale ASTM D 785
    Compression strength 10,500 psi @ 73 °F, 10% strain ASTM D 695
    Tensile strength at yield 8,000 psi @ 73 °F ASTM D 638
    Compression strength 1,200 psi @ 73 °F, 1% strain ASTM D 695
    Compression modulus 160,000 psi @ 73 °F ASTM D 695
  • product-technical-detail-collapse-item-1-lvl-1
    Thermal properties Value Unit Condition Test Method
    Thermal conductivity 1.18-1.32 BTU-in/hr-ft^2 - deg ASTM C 177
    Melting temperature 342 F -
    Thermal expansion (CLTE) 7.3*10-5 ininF ASTM D 696
    Deflection temperature 221-239 F @264 psi ASTM D 648
    Deflection temperature 257-284 F @ 66 psi ASTM D 648
    Specific heat 0.28-0.36 butlbf *** new ***
    Service temperature 300 F Long Term -
  • product-technical-detail-collapse-item-2-lvl-1
    Electrical properties Value Unit Condition Test Method
    Dielectric strength 1700 V/mil ASTM D 149
    Dielectric constant 4.5 - @ 100 MHz, 73 °F ASTM D 150
    Dissipation factor 0.01--0.21 - @ 100 Hz, 73 °F ASTM D 150
    volume resistance 2*1014 Ω*cm @ 73 °F, 65% RH ASTM D 257
  • product-technical-detail-collapse-item-3-lvl-1
    Other properties Value Unit Condition Test Method
    Moisture absorption 0.02 % @ 24 hrs, 73 °F ASTM D 570
    Flammability (UL94) V0 - -

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