Kynar Flex® LBG

Alternative and trade names
PVDF
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Description

Kynar Flex® resins are fluorinated thermoplastic copolymers.

Kynar Flex® LBG resin is a semi-crystalline copolymer. It is considered a high molecular weight VF2 based copolymers specifically designed for application in the lithium ion battery market.

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

Properties

General

PropertyValueConditionTesting StandardComment

Density

1.78 g/cm³

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dry

ISO 1183, ASTM D792

min.

Water absorption

0.03 %

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Sim. to ISO 62

Mechanical

PropertyValueConditionTesting StandardComment

Elongation

50 %

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dry

ISO 527-1/-2

min. | nominal

400 %

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ASTM D638

min.

Elongation at yield

10 %

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dry

ISO 527-1/-2

Flexural modulus

1.0 GPa

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ASTM D790

Impact strength, Charpy notched

No Break at 23°C

dry

ISO 179/1eA

Yield strength

35 MPa

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ASTM D638

Thermal

PropertyValueTesting StandardConditionComment

Melting point

151 - 157 °C

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ASTM D3418

154 °C

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ISO 11357-1/-3

dry

10°C/min

Rheological Properties

PropertyValueTesting StandardConditionComment

Melt mass-flow rate

3 - 8 g/10min

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ASTM D1238

230°C/21.6kg

Melt viscosity

3400 - 3800 Pa·s

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ASTM D3835

Melt volume-flow rate

3.2 cm³/10min

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ISO 1133

dry

232°C/21.6kg

Technological properties

Property
Application areas

Lithium Ion Battery Binder,Lithium ion Battery Separator Coating