Ethylene chlorotrifluoroethylene (ECTFE)

Alternative and trade names
Halar®
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Description

It is a partially fluorinated semi-crystalline polymer offering a unique combination of properties for highly demanding industries. It is widely used in anti-corrosion applications as a lining or in self-supporting constructions (piping). Its excellent fire resistance properties and chemical resistance make it a first choice in wire and cable applications. It offers purity, surface smoothness, chemical resistance and fire resistance which are key characteristics in the semiconductor and photovoltaic markets.Key Features:


  • Low permeability
  • Excellent weatherability
  • High purity
  • Excellent release properties
  • Good abrasion resistance
  • 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

    1.68 - 1.7 g/cm³

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    Mechanical

    PropertyValueComment

    Elastic modulus

    1.4 - 1.7 GPa

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    Elongation

    150.0 - 450.0 %

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    Tensile strength

    28.0 - 31.0 MPa

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    at 5% strain

    Thermal

    PropertyValueComment

    Coefficient of thermal expansion

    7e-05 - 0.0001 1/K

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    Max service temperature

    150.0 - 170.0 °C

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    Short

    140 °C

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    Long

    Melting point

    225.0 - 242.0 °C

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    Specific heat capacity

    1000 J/(kg·K)

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    Thermal conductivity

    0.14 - 0.18 W/(m·K)

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    Flammability

    UL 94 V0

    Electrical

    PropertyValue

    Dielectric constant

    2.3 [-]

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    2.6 [-]

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    Electrical resistivity

    10000000000000 Ω·m

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    Optical

    PropertyValue

    Transparency

    yes

    Technological properties

    Property
    Application areas

    cable sheathing, radio chemistry, chemical containers, fibers for fire-resistant upholstery

    Processing methods

    Injection molding, extrusion, coating