Kynar Flex® 2821-00

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

Description

Kynar Flex® resins are fluorinated thermoplastic copolymers.

Outstanding characteristics: chemical resistance, imperviousness to UV, high barrier properties, high purity, good mechanical and thermo-mechanical properties.

Kynar Flex® 2821 resin is the powder form of the Kynar Flex® 2820-20 resin. To be used as an additive in LLDPE to improve the extrusion rate.

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

0.33 [-]

Show Supplier Material materials with Coefficient of friction of 0.33 [-]

ASTM D1894

vs Steel, Static

0.33 [-]

Show Supplier Material materials with Coefficient of friction of 0.33 [-]

ASTM D1894

vs Steel, Kinetic

Density

1.77 - 1.8 g/cm³

Show Supplier Material materials with Density of 1.77 - 1.8 g/cm³

ASTM D792

1.77 g/cm³

Show Supplier Material materials with Density of 1.77 g/cm³

ISO 1183

dry

Limiting oxygen index

42 %

Show Supplier Material materials with Limiting oxygen index of 42 %

ASTM D2863, ISO 4589-1/-2

dry

Water absorption

0.03 %

Show Supplier Material materials with Water absorption of 0.03 %

Sim. to ISO 62

Mechanical

PropertyTemperatureValueTesting StandardConditionComment

Compressive strength

31 - 41.4 MPa

Show Supplier Material materials with Compressive strength of 31 - 41.4 MPa

ASTM D695

Elastic modulus

0.552 - 0.896 GPa

Show Supplier Material materials with Elastic modulus of 0.552 - 0.896 GPa

ASTM D638

0.7 GPa

Show Supplier Material materials with Elastic modulus of 0.7 GPa

ISO 527-1/-2

dry

Elongation

50 %

Show Supplier Material materials with Elongation of 50 %

ISO 527-1/-2

dry

min. | nominal

100 - 300 %

Show Supplier Material materials with Elongation of 100 - 300 %

ASTM D638

Elongation at yield

15 %

Show Supplier Material materials with Elongation at yield of 15 %

ISO 527-1/-2

dry

Flexural modulus

0.483 - 0.758 GPa

Show Supplier Material materials with Flexural modulus of 0.483 - 0.758 GPa

ASTM D790

Hardness, Shore D

60 - 70 [-]

Show Supplier Material materials with Hardness, Shore D of 60 - 70 [-]

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

Show Supplier Material materials with Impact strength, Charpy notched, ASTM of 534 - 1070 J/m

ASTM D256

Impact strength, Charpy unnotched, ASTM

No Break at 23°C

ASTM D256

Tensile strength

17.2 - 34.5 MPa

Show Supplier Material materials with Tensile strength of 17.2 - 34.5 MPa

ASTM D638

Yield strength

20 - 34.5 MPa

Show Supplier Material materials with Yield strength of 20 - 34.5 MPa

ASTM D638

35 MPa

Show Supplier Material materials with Yield strength of 35 MPa

ISO 527-1/-2

dry

Thermal

PropertyValueTesting StandardConditionPressureComment

Coefficient of thermal expansion

0.000126 - 0.000185 1/K

Show Supplier Material materials with Coefficient of thermal expansion of 0.000126 - 0.000185 1/K

ASTM D696

0.00016 1/K

Show Supplier Material materials with Coefficient of thermal expansion of 0.00016 1/K

ISO 11359-1/-2

dry

Glass transition temperature

-41.1 - -39.4 °C

Show Supplier Material materials with Glass transition temperature of -41.1 - -39.4 °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

40 - 55 °C

Show Supplier Material materials with Heat deflection temperature of 40 - 55 °C

ASTM D648

2 MPa

248 °F/hr

48 °C

Show Supplier Material materials with Heat deflection temperature of 48 °C

ISO 75-1/-2

dry

2 MPa

60 - 75 °C

Show Supplier Material materials with Heat deflection temperature of 60 - 75 °C

ASTM D648

0.45 MPa

248 °F/hr

Melting point

140 - 145 °C

Show Supplier Material materials with Melting point of 140 - 145 °C

ASTM D3418

143 °C

Show Supplier Material materials with Melting point of 143 °C

ISO 11357-1/-3

dry

10°C/min

Relative temperature index, electrical

130 °C

Show Supplier Material materials with Relative temperature index, electrical of 130 °C

UL 746B

Relative temperature index, mechanical strength

130 °C

Show Supplier Material materials with Relative temperature index, mechanical strength of 130 °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

0.144 - 0.18 W/(m·K)

Show Supplier Material materials with Thermal conductivity of 0.144 - 0.18 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

Vicat softening temperature

76 °C

Show Supplier Material materials with Vicat softening temperature of 76 °C

ISO 306

50°C/h 50N

Flammability

At thickness 0.8 mm IEC 60695-11-10: V-0 and yellow card available, 5V at thickness 1.5 mm IEC 60695-11-20: 5VB

Electrical

PropertyValueFrequencyTesting StandardCondition

Dielectric constant

3.5 - 10.6 [-]

Show Supplier Material materials with Dielectric constant of 3.5 - 10.6 [-]

1KHz

ASTM D150

6 [-]

Show Supplier Material materials with Dielectric constant of 6 [-]

1MHz

IEC 60250

dry

Dielectric strength

51.2 - 59.1 kV/mm

Show Supplier Material materials with Dielectric strength of 51.2 - 59.1 kV/mm

ASTM D149

Dissipation factor

0.02 - 0.21 [-]

Show Supplier Material materials with Dissipation factor of 0.02 - 0.21 [-]

100KHz

ASTM D150

0.057 [-]

Show Supplier Material materials with Dissipation factor of 0.057 [-]

100Hz

IEC 60250

dry

0.234 [-]

Show Supplier Material materials with Dissipation factor of 0.234 [-]

1MHz

IEC 60250

dry

Volume resistivity

2e+14 Ω·cm

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

ASTM D257

65% RH

2e+14 Ω·cm

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

IEC 60093

dry

Optical

PropertyValueTesting StandardComment

Refractive index

1 [-]

Show Supplier Material materials with Refractive index of 1 [-]

ASTM D542

sodium D line

Rheological Properties

PropertyValueTesting StandardConditionComment

Melt mass-flow rate

1 - 8 g/10min

Show Supplier Material materials with Melt mass-flow rate of 1 - 8 g/10min

ASTM D1238

230°C/5kg

Melt viscosity

1200 - 2000 Pa·s

Show Supplier Material materials with Melt viscosity of 1200 - 2000 Pa·s

ASTM D3835

Melt volume-flow rate

3 cm³/10min

Show Supplier Material materials with Melt volume-flow rate of 3 cm³/10min

ISO 1133

dry

230°C/5kg

Technological properties

Property
Application areas

Fluoropolymer Processing Aids,Factory Applied