Kynar Flex® Ultraflex B America

Alternative and trade names
PVDF
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Description

Kynar Flex® resins are fluorinated thermoplastic copolymers.

Kynar Ultraflex® resin is a semi-crystalline copolymer of vinylidene fluoride and hexafluoropropylene. This copolymer is a highly flexible material that can be melt processed using typical melt processing equipment or can be easily put in solution for solution coating process. It can be supplied in as pellets for melt processing or as crumb to facilitate dissolution. This is the most flexible Kynar Flex® resin grade available.

Additional characteristics:

  • High flexibility
  • Toughness
  • Weatherability
  • Solution properties

  • This material data has been provided by Arkema High Performance Polymers.

    All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
    Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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    Properties

    General

    PropertyTemperatureValueComment

    Density

    23.0 °C

    1.8 - 1.83 g/cm³

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    ASTM D792

    Limiting oxygen index

    23.0 °C

    40 %

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    ASTM D2863

    Water absorption

    23.0 °C

    0.04 %

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    max., ASTM D570

    Mechanical

    PropertyTemperatureValueComment

    Elastic modulus

    23.0 °C

    0.03 - 0.1 GPa

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    ASTM D638

    Elongation

    23.0 °C

    500 %

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    min., ASTM D638

    Elongation at yield

    23.0 °C

    25 - 35 %

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    ASTM D638

    Flexural modulus

    23.0 °C

    0.07 - 0.14 GPa

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    ASTM D790

    Hardness, Shore D

    23.0 °C

    35 - 43 [-]

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    ASTM D2240

    Tensile strength

    23.0 °C

    8.96 - 20.7 MPa

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    ASTM D638

    Yield strength

    23.0 °C

    4.83 - 8.27 MPa

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    ASTM D638

    Thermal

    PropertyValueComment

    Glass transition temperature

    -40 °C

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    ASTM D7028

    Melting point

    92 - 112 °C

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    ASTM D3418

    Rheological Properties

    PropertyTemperatureValueComment

    Melt viscosity

    23.0 °C

    1200 - 2000 Pa·s

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    ASTM D3835

    Technological properties

    Property
    Application areas

    Chemical Process Industry,Tubing and Hoses