Kynar® 720 MED

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, resistant to gamma, steam and ETO sterilization.

Kynar® 720 MED resin is a standard grade of granules for extrusion and injection molding. This product is compliant with the EU positive list. Upon request, letters regarding USP Class VI and ISO10993 part 4 and 5 compliance can be provided.

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

1.78 g/cm³

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ISO 1183

Limiting oxygen index

23.0 °C

43 %

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ISO 4589-1/-2

Moisture absorption

23.0 °C

0.02 %

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Sim. to ISO 62

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

Impact strength, Charpy notched

-30.0 °C

5 kJ/m²

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ISO 179/1eA

23.0 °C

8 kJ/m²

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ISO 179/1eA

Impact strength, Charpy unnotched

-30.0 °C

189 kJ/m²

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ISO 179/1eU

23.0 °C

208 kJ/m²

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ISO 179/1eU

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Yield strength

23.0 °C

54 MPa

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ISO 527-1/-2

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.3E-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, 0.45 MPa

132 °C

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ISO 75-1/-2

Heat deflection temperature, 1.80 MPa

108 °C

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ISO 75-1/-2

Melting point

168 °C

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ISO 11357-1/-3, 10°C/min

Relative temperature index, electrical

150 °C

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UL 746B

Relative temperature index, mechanical strength

150 °C

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UL 746B

Specific heat capacity

23.0 °C

745 - 958 J/(kg·K)

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DSC

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

Vicat softening temperature

139 °C

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ISO 306, 50°C/h 50N

Flammability

At thickness 1.6 mm IEC 60695-11-10: V-0, At thickness 0.8 mm IEC 60695-11-10: V-0 and yellow card available

Electrical

PropertyTemperatureValueComment

Comparative tracking index

23.0 °C

600 V

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IEC 60112

Dielectric constant, 100Hz

23.0 °C

9 [-]

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IEC 60250

Dielectric constant, 1MHz

23.0 °C

7 [-]

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IEC 60250

Dielectric strength

23.0 °C

21 kV/mm

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IEC 60243-1

Dissipation factor, 100Hz

23.0 °C

0.03 [-]

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IEC 60250

Dissipation factor, 1MHz

23.0 °C

0.21 [-]

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IEC 60250

Volume resistivity

23.0 °C

2.00E+14 Ω·cm

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IEC 60093

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

Technological properties

Property
Application areas

Main applications:

  • medical tubing
  • flexible injected parts
  • pharmaceutical packaging

    or

    Packaging / Film,Healthcare-Other

  • Certifications

    USP Class VI and ISO10993