Kynar Flex® 2751-00

Alternative and trade names
PVDF
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Description

Kynar Flex® resins are fluorinated thermoplastic copolymers.

Outstanding characteristics: chemical resistance, imperviousness to UV, barrier properties and high purity.

Kynar Flex® 2751-00 resin is a powder grade where maximum flexibility or impact strength is required.

This material data has been provided by Arkema Technical 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

PropertyValueTesting StandardConditionComment

Coefficient of friction

0.33 [-]

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ASTM D1894

vs Steel, Static

0.33 [-]

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ASTM D1894

vs Steel, Kinetic

Density

1.7 - 1.8 g/cm³

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ASTM D792

Limiting oxygen index

42 %

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ASTM D2863

43 %

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ISO 4589-1/-2

dry

Water absorption

0.03 - 0.05 %

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ASTM D570

Mechanical

PropertyTemperatureValueTesting StandardConditionComment

Compressive strength

31 - 41.4 MPa

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ASTM D695

Elastic modulus

0.45 GPa

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ISO 527-1/-2

dry

0.552 - 0.896 GPa

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ASTM D638

Elongation

50 %

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ISO 527-1/-2

dry

min. | nominal

100 - 300 %

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ASTM D638

Elongation at yield

10 - 20 %

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ASTM D638

15 %

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ISO 527-1/-2

dry

Flexural modulus

0.483 - 0.758 GPa

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ASTM D790

Flexural strength

20.7 - 34.5 MPa

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ASTM D790

at 5% strain

Hardness, Shore D

60 - 70 [-]

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ASTM D2240

Impact strength, Charpy notched

No Break at 23°C

ISO 179/1eA

dry

Impact strength, Charpy notched, ASTM

23 °C

534 - 1070 J/m

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ASTM D256

Impact strength, Charpy unnotched, ASTM

No Break at 23°C

ASTM D256

Tensile strength

17.2 - 34.5 MPa

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ASTM D638

Yield strength

20 - 34.5 MPa

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ASTM D638

27 MPa

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ISO 527-1/-2

dry

Thermal

PropertyValueTesting StandardConditionPressureComment

Coefficient of thermal expansion

0.000126 - 0.000185 1/K

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ASTM D696

Glass transition temperature

-41.1 - -39.4 °C

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ASTM D7028

-40 °C

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ISO 11357-1/-2

dry

10°C/min

Heat deflection temperature

40 - 55 °C

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ASTM D648

2 MPa

248 °F/hr

40 °C

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ISO 75-1/-2

dry

2 MPa

60 - 75 °C

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ASTM D648

0.45 MPa

248 °F/hr

Melting point

134 °C

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ISO 11357-1/-3

dry

10°C/min

140 - 145 °C

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ASTM D3418

Specific heat capacity

745 - 958 J/(kg·K)

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DSC

Thermal conductivity

0.144 - 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 0.8 mm IEC 60695-11-10: V-0

Electrical

PropertyValueFrequencyTesting StandardCondition

Dielectric constant

3.5 - 10.6 [-]

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1KHz

ASTM D150

Dielectric strength

51.2 - 59.1 kV/mm

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ASTM D149

Dissipation factor

0.02 - 0.21 [-]

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100KHz

ASTM D150

Surface resistivity

5.1e+11 - 5.3e+11 Ω/sq

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ASTM D257

Volume resistivity

2e+14 Ω·cm

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ASTM D257

65% RH

2e+14 Ω·cm

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IEC 60093

dry

Optical

PropertyValueTesting StandardComment

Refractive index

1 [-]

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ASTM D542

sodium D line

Rheological Properties

PropertyValueTesting StandardConditionComment

Melt mass-flow rate

4 - 14 g/10min

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ASTM D1238

230°C/12.5kg

Melt viscosity

2000 - 2500 Pa·s

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ASTM D3835

Melt volume-flow rate

1.9 cm³/10min

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ISO 1133

dry

230°C/5kg

Technological properties

Property
Application areas

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