Kynar Flex® 2800-20 America

Alternative and trade names
PVDF
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Description

Kynar Flex® resins are fluorinated thermoplastic copolymers.

Outstanding characteristics: chemical resistance, imperviousness to UV, high barrier properties, high purity, good mechanical and thermo-mechanical properties.

Kynar Flex® resin is a standard grade of granules, compared to the homopolymer grades, which exhibits a lower modulus, a better resistance to stress cracking in alkaline and oxidizing media, and a lower melting point. For cable coating, extrusion of tube and plaque, injection molding.

Additional characteristics:

  • Easily processed using conventional equipment
  • Excellent thermal stability
  • Retains properties after aging
  • Pigmentable
  • UL RTI temperature rating 125°C

  • 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

    Abrasion resistance, weight loss

    16 - 19 mg

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    ASTM-G195-13A, CS 17 1000g:pad, 1000 cycles

    Coefficient of friction, kinetic

    0.33 [-]

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    ASTM D1894, vs Steel

    Coefficient of friction, static

    0.33 [-]

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    ASTM D1894, vs Steel

    Density

    23.0 °C

    1.77 - 1.8 g/cm³

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    ASTM D792

    Limiting oxygen index

    23.0 °C

    42 %

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    ASTM D2863

    Mechanical

    PropertyTemperatureValueComment

    Compressive strength

    23.0 °C

    31 - 41.4 MPa

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    ASTM D695

    Elastic modulus

    23.0 °C

    0.55 - 0.9 GPa

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    ASTM D638

    Elongation

    23.0 °C

    100 - 300 %

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    ASTM D638

    Flexural modulus

    23.0 °C

    0.48 - 0.76 GPa

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    ASTM D790

    Hardness, Shore D

    23.0 °C

    60 - 70 [-]

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    ASTM D2240

    Impact strength, Charpy notched, ASTM

    23.0 °C

    534 - 1070 J/m

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    ASTM D256

    Tensile strength

    23.0 °C

    17.2 - 34.5 MPa

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    ASTM D638

    Yield strength

    23.0 °C

    20 - 34.5 MPa

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    ASTM D638

    Impact strength, Charpy unnotched, ASTM

    No Break @ 23°C, ASTM D256

    Thermal

    PropertyTemperatureValueComment

    Coefficient of thermal expansion

    23.0 °C

    1.26E-4 - 1.85E-4 1/K

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    ASTM D696

    Glass transition temperature

    -41.1 - -39.4 °C

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    ASTM D7028

    Heat deflection temperature, 0.45 MPa

    60 - 75 °C

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    ASTM D648, 248 °F/hr

    Heat deflection temperature, 1.80 MPa

    40 - 55 °C

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    ASTM D648, 248 °F/hr

    Melting point

    140 - 145 °C

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    ASTM D3418

    Relative temperature index, electrical

    130 °C

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    UL 746B

    Relative temperature index, mechanical strength

    130 °C

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    UL 746B

    Specific heat capacity

    23.0 °C

    745 - 958 J/(kg·K)

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    DSC

    Thermal conductivity

    23.0 °C

    0.14 - 0.18 W/(m·K)

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    ASTM D433

    Thermal decomposition in air

    375 °C

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    TGA, 1% wt. loss

    Thermal decomposition in nitrogen

    410 °C

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    TGA, 1% wt. loss

    Flammability

    At thickness 1.5 mm IEC 60695-11-10: V-0, At thickness 0.8 mm IEC 60695-11-10: V-0

    Electrical

    PropertyTemperatureValueComment

    Dielectric constant, 1KHz

    23.0 °C

    3.5 - 10.6 [-]

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    ASTM D150

    Dielectric strength

    23.0 °C

    51.2 - 59.1 kV/mm

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    ASTM D149

    Dissipation factor, 100kHz

    23.0 °C

    0.02 - 0.21 [-]

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    ASTM D150

    Volume resistivity

    23.0 °C

    2.00E+14 Ω·cm

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    ASTM D257, 65% RH

    Optical

    PropertyValueComment

    Refractive index

    1.41 [-]

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    ASTM D542, sodium D line

    Rheological Properties

    PropertyTemperatureValueComment

    Melt mass-flow rate

    1 - 8 g/10min

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    ASTM D1238, 230°C/5kg

    Melt viscosity

    23.0 °C

    1200 - 2000 Pa·s

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    ASTM D3835

    Technological properties

    Property
    Application areas

    Chemical Process Industry,Chemical Process Industry - Injection Molding,Fluoropolymer Processing Aids

    Processing methods

    Injection Molding:

  • Melt temperature (°C) ISO 294: 240
  • Mold temperature (°C) ISO 10724: 90
  • Injection velocity (mm/s) ISO 294: 10
  • Pressure at hold (MPa) ISO 294: 13