Kynar® 761

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.

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

43 %

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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 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

9 %

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ISO 527-1/-2

Impact strength, Charpy notched

23.0 °C

50 kJ/m²

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ISO 179/1eA

Yield strength

23.0 °C

50 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

170 °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

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

Rheological Properties

PropertyTemperatureValueComment

Density of melt

1.78 g/cm³

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Melt volume-flow rate

1.3 cm³/10min

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ISO 1133, 230°C/10kg

Shrinkage

23.0 °C

3 %

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ISO 294-4 2577

Shrinkage, transverse

23.0 °C

3 %

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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
  • PPA
  • attery

    or

    Biopharma Membranes,Fluoropolymer Processing Aids,Lithium Ion Battery Binder,Water Filtration Membrane