Kynar Flex® 3120-50

Alternative and trade names
PVDF
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Description

Kynar Flex® resins are fluorinated thermoplastic copolymers.

Kynar Flex® 3120-50 is a pelletized flexible, semi-crystalline VF2 based copolymer. It can be molded or extruded and has a useful temperature range from -40°C-150°C. Kynar Flex® 3120-50 has a UL RTI of 150°C.

Kynar Flex® 3120-50 can be used in compounding for cross-linkable wire and cable as well as both wire applications requiring low temperature flexibility and high temperature resistance.

Kynar Flex® 3120-50 also finds use as a polymer processing aid (PPA) for polyolefins. The use of Kynar Flex® 3120-50 or Kynar Flex 3121-50 at 200 -1000 ppm levels reduces extruder pressure, improves surface finish, reduces die build up, and improves gauge control.

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

Water absorption

23.0 °C

0.03 %

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Sim. to ISO 62

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

0.7 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

15 %

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ISO 527-1/-2

Yield strength

23.0 °C

27 MPa

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ISO 527-1/-2

Impact strength, Charpy notched

No break @ 23°C, ISO 179/1eA

Thermal

PropertyTemperatureValueComment

Glass transition temperature

-40 °C

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ISO 11357-1/-2, 10°C/min

Heat deflection temperature, 1.80 MPa

50 °C

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ISO 75-1/-2

Melting point

165 °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 1.5 mm IEC 60695-11-10: V-0, At thickness 1 IEC 60695-11-10: V-0 and yellow card available, 5V at thickness 1 mm IEC 60695-11-20: 5VA

Rheological Properties

PropertyValueComment

Melt volume-flow rate

0.5 cm³/10min

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ISO 1133, 230°C/12.5kg

Technological properties

Property
Application areas

Fluoropolymer Processing Aids,Automotive Cables,Performance Wire,Plenum Cable

Processing methods

Compression Molding:

  • Molding temperature (°C) ISO 293: 225
  • Molding time (min) ISO 293: 3
  • DeMolding temperature (°C) ISO 293: 120