Ethylene Tetrafluoroethylene (ETFE)

Alternative and trade names
Tefzel™, Fluon®
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Description

With a wide service temperature range and outstanding resistance to abrasion and cut-through, ETFE is suited for a number of applications, including wiring, tubes, pipes, and UV resistant films for solar modules and architectural membranes.

This material data has been provided by M-Base.

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

PropertyValue

Density

1.7 - 1.78 g/cm³

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Mechanical

PropertyValueComment

Elastic modulus

0.8 - 1.2 GPa

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Elongation

200.0 - 300.0 %

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Tensile strength

25.0 - 35.0 MPa

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at 15-20% strain

Thermal

PropertyValueComment

Coefficient of thermal expansion

7e-05 - 0.00013 1/K

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Max service temperature

200 °C

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Short

150.0 - 155.0 °C

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Long

Melting point

265.0 - 270.0 °C

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Specific heat capacity

900 J/(kg·K)

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Thermal conductivity

0.23 - 0.24 W/(m·K)

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Flammability

UL 94 V0

Electrical

PropertyValue

Dielectric constant

2.4 [-]

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2.7 [-]

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Electrical resistivity

100000000000000 Ω·m

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Optical

PropertyValue

Transparency

yes

Technological properties

Property
Application areas

packaging, laboratory equipment, linings, cable insulation

Processing methods

Injection molding, extrusion, compression molding, blow molding, coating