Kynar® 720E

Alternative and trade names
PVDF
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Description

Kynar® resins are fluorinated thermoplastic homopolymers.

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

Kynar® 720 E resin is a standard grade of granules for injection molding. This product is ANSI/NSF Standard 61 certified. This product is compliant with the EU positive list.

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.

Ashby charts

Properties

General

PropertyTemperatureValueComment

Limiting oxygen index

23.0 °C

66 %

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ISO 4589-1/-2

Water absorption

23.0 °C

0.02 %

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Sim. to ISO 62

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

2.2 GPa

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ISO 527-1/-2

Elongation

23.0 °C

50 %

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min., ISO 527-1/-2, nominal

Elongation at yield

23.0 °C

8 %

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ISO 527-1/-2

Yield strength

23.0 °C

54 MPa

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ISO 527-1/-2

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.5E-4 1/K

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ISO 11359-1/-2

Glass transition temperature

-40 °C

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ISO 11357-1/-2, 10°C/min

Heat deflection temperature, 1.80 MPa

104 °C

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ISO 75-1/-2

Melting point

169 °C

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ISO 11357-1/-3, 10°C/min

Flammability

At thickness 1.6 mm IEC 60695-11-10: V-0 and yellow card available

Rheological Properties

PropertyTemperatureValueComment

Melt volume-flow rate

14.8 cm³/10min

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ISO 1133, 230°C/3.8kg

Shrinkage

23.0 °C

2 %

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ISO 294-4 2577

Shrinkage, transverse

23.0 °C

2 %

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ISO 294-4 2577

Thermal conductivity of melt

0.19 W/(m·K)

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Technological properties

Property
Application areas

Main applications:

  • corrosion protection in the chemical industry
  • coating (painting, co-extrusion)
  • off shore
  • wire and cable
  • water transportation

    or

    Main applications:

  • corrosion protection in the chemical industry
  • coating (painting, co-extrusion)
  • off shore
  • wire and cable
  • water transportation

  • Processing methods

    Injection Molding:

  • Melt temperature (°C) ISO 294: 230
  • Mold temperature (°C) ISO 10724: 90
  • Injection velocity (mm/s) ISO 294: -
  • Pressure at hold (MPa) ISO 294: -

  • Compression Molding:

  • Molding temperature (°C) ISO 293: 230
  • Molding time (min) ISO 293:-
  • Demolding temperature (°C) ISO 293: 40