Kynar® 741

Alternative and trade names
PVDF
Want to keep this datasheet? Save it now in your required format

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 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.

Ashby charts

See where falls on the material property chart for against in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

PropertyValueTesting StandardConditionComment

Coefficient of friction

0.14 [-]

Show Supplier Material materials with Coefficient of friction of 0.14 [-]

ASTM D1894

vs Steel, Kinetic

0.2 [-]

Show Supplier Material materials with Coefficient of friction of 0.2 [-]

ASTM D1894

vs Steel, Static

Density

1.77 - 1.79 g/cm³

Show Supplier Material materials with Density of 1.77 - 1.79 g/cm³

ASTM D792

1.78 g/cm³

Show Supplier Material materials with Density of 1.78 g/cm³

ISO 1183

dry

Limiting oxygen index

43 %

Show Supplier Material materials with Limiting oxygen index of 43 %

ISO 4589-1/-2

dry

44 %

Show Supplier Material materials with Limiting oxygen index of 44 %

ASTM D2863

Water absorption

0.01 - 0.03 %

Show Supplier Material materials with Water absorption of 0.01 - 0.03 %

ASTM D570

0.02 %

Show Supplier Material materials with Water absorption of 0.02 %

Sim. to ISO 62

Mechanical

PropertyTemperatureValueTesting StandardConditionComment

Compressive strength

68.9 - 103 MPa

Show Supplier Material materials with Compressive strength of 68.9 - 103 MPa

ASTM D695

Elastic modulus

1.4 - 2.3 GPa

Show Supplier Material materials with Elastic modulus of 1.4 - 2.3 GPa

ASTM D638

2 GPa

Show Supplier Material materials with Elastic modulus of 2 GPa

ISO 527-1/-2

dry

Elongation

20 - 100 %

Show Supplier Material materials with Elongation of 20 - 100 %

ASTM D638

50 %

Show Supplier Material materials with Elongation of 50 %

ISO 527-1/-2

dry

min. | nominal

Elongation at yield

5 - 10 %

Show Supplier Material materials with Elongation at yield of 5 - 10 %

ASTM D638

9 %

Show Supplier Material materials with Elongation at yield of 9 %

ISO 527-1/-2

dry

Flexural modulus

1.4 - 2.3 GPa

Show Supplier Material materials with Flexural modulus of 1.4 - 2.3 GPa

ASTM D790

Flexural strength

58.6 - 75.8 MPa

Show Supplier Material materials with Flexural strength of 58.6 - 75.8 MPa

ASTM D790

at 5% strain

Hardness, Shore D

76 - 80 [-]

Show Supplier Material materials with Hardness, Shore D of 76 - 80 [-]

ASTM D2240

Impact strength, Charpy notched

23 °C

25 kJ/m²

Show Supplier Material materials with Impact strength, Charpy notched of 25 kJ/m²

ISO 179/1eA

dry

Impact strength, Charpy notched, ASTM

23 °C

96.1 - 214 J/m

Show Supplier Material materials with Impact strength, Charpy notched, ASTM of 96.1 - 214 J/m

ASTM D256

Impact strength, Charpy unnotched, ASTM

23 °C

1070 - 4270 J/m

Show Supplier Material materials with Impact strength, Charpy unnotched, ASTM of 1070 - 4270 J/m

ASTM D256

Tensile strength

34.5 - 55.2 MPa

Show Supplier Material materials with Tensile strength of 34.5 - 55.2 MPa

ASTM D638

Yield strength

44.8 - 55.2 MPa

Show Supplier Material materials with Yield strength of 44.8 - 55.2 MPa

ASTM D638

50 MPa

Show Supplier Material materials with Yield strength of 50 MPa

ISO 527-1/-2

dry

Thermal

PropertyValueTesting StandardConditionPressureComment

Coefficient of thermal expansion

0.000119 - 0.000144 1/K

Show Supplier Material materials with Coefficient of thermal expansion of 0.000119 - 0.000144 1/K

ASTM D696

0.00015 1/K

Show Supplier Material materials with Coefficient of thermal expansion of 0.00015 1/K

ISO 11359-1/-2

dry

Transverse

0.00015 1/K

Show Supplier Material materials with Coefficient of thermal expansion of 0.00015 1/K

ISO 11359-1/-2

dry

Glass transition temperature

-40.6 - -38.3 °C

Show Supplier Material materials with Glass transition temperature of -40.6 - -38.3 °C

ASTM D7028

-40 °C

Show Supplier Material materials with Glass transition temperature of -40 °C

ISO 11357-1/-2

dry

10°C/min

Heat deflection temperature

104 °C

Show Supplier Material materials with Heat deflection temperature of 104 °C

ISO 75-1/-2

dry

2 MPa

105 - 115 °C

Show Supplier Material materials with Heat deflection temperature of 105 - 115 °C

ASTM D648

2 MPa

248 °F/hr

125 - 140 °C

Show Supplier Material materials with Heat deflection temperature of 125 - 140 °C

ASTM D648

0.45 MPa

248 °F/hr

150 °C

Show Supplier Material materials with Heat deflection temperature of 150 °C

ISO 75-1/-2

dry

0.45 MPa

Melting point

165 - 172 °C

Show Supplier Material materials with Melting point of 165 - 172 °C

ASTM D3418

170 °C

Show Supplier Material materials with Melting point of 170 °C

ISO 11357-1/-3

dry

10°C/min

Relative temperature index, electrical

150 °C

Show Supplier Material materials with Relative temperature index, electrical of 150 °C

UL 746B

Relative temperature index, mechanical strength

150 °C

Show Supplier Material materials with Relative temperature index, mechanical strength of 150 °C

UL 746B

Specific heat capacity

745 - 958 J/(kg·K)

Show Supplier Material materials with Specific heat capacity of 745 - 958 J/(kg·K)

DSC

Thermal conductivity

0.17 - 0.19 W/(m·K)

Show Supplier Material materials with Thermal conductivity of 0.17 - 0.19 W/(m·K)

ASTM D433

Thermal decomposition in air

375 °C

Show Supplier Material materials with Thermal decomposition in air of 375 °C

TGA

1% wt. loss

Thermal decomposition in nitrogen

410 °C

Show Supplier Material materials with Thermal decomposition in nitrogen of 410 °C

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

Electrical

PropertyValueFrequencyTesting StandardCondition

Dielectric constant

4.5 - 9.5 [-]

Show Supplier Material materials with Dielectric constant of 4.5 - 9.5 [-]

1KHz

ASTM D150

Dielectric strength

67 kV/mm

Show Supplier Material materials with Dielectric strength of 67 kV/mm

ASTM D149

Dissipation factor

0.01 - 0.21 [-]

Show Supplier Material materials with Dissipation factor of 0.01 - 0.21 [-]

100KHz

ASTM D150

Volume resistivity

2e+14 Ω·cm

Show Supplier Material materials with Volume resistivity of 2e+14 Ω·cm

ASTM D257

65% RH

Rheological Properties

PropertyValueTesting StandardConditionComment

Melt mass-flow rate

1.5 - 3 g/10min

Show Supplier Material materials with Melt mass-flow rate of 1.5 - 3 g/10min

ASTM D1238

230°C/5kg

Melt viscosity

1500 - 2300 Pa·s

Show Supplier Material materials with Melt viscosity of 1500 - 2300 Pa·s

ASTM D3835

Melt volume-flow rate

1.13 cm³/10min

Show Supplier Material materials with Melt volume-flow rate of 1.13 cm³/10min

ISO 1133

dry

230°C/5kg

Shrinkage

2.5 %

Show Supplier Material materials with Shrinkage of 2.5 %

ISO 294-4

dry

2.5 %

Show Supplier Material materials with Shrinkage of 2.5 %

ISO 294-4

dry

Transverse

Thermal conductivity of melt

0.19 W/(m·K)

Show Supplier Material materials with Thermal conductivity of melt of 0.19 W/(m·K)

Technological properties

Property
Application areas

Biopharma Membranes,Water Filtration Membrane

Certifications

Yellow Card