PTFE ISO-TECH

Alternative and trade names
ISO-PTFE
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Description

ISO-PTFE – also known as teflon – offers a very high chemical and thermal resistance. In combination with its extremely low surface tension, ISO-PTFE is a very suitable material for a variety of challenging applications in the chemical, pharmaceutical and food industries. The key features are:


  • High chemical resistance
  • Minimal surface tension
  • Difficult to glue or weld
  • This material data has been provided by ISO-TECH Kunststoff GmbH.

    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

    PropertyValueComment

    Density

    2.15 g/cm³

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    ISO 1183

    Water absorption

    0.01 %

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    max., ISO 62

    Mechanical

    PropertyValueComment

    Elongation

    50 %

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    min., ISO 527

    Hardness, Shore D

    55 [-]

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    DIN 53505

    Yield strength

    25 MPa

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    ISO 527

    Impact strength, Charpy unnotched

    No break, ISO 179

    Thermal

    PropertyValuePressureComment

    Coefficient of thermal expansion

    0.00012 1/K

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    DIN 53752

    Heat deflection temperature

    55 °C

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    2 MPa

    ISO 75/A

    121 °C

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    0.45 MPa

    ISO 75/B

    Max service temperature

    260 °C

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    Longterm

    Long

    Short

    Thermal conductivity

    0.25 W/(m·K)

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    DIN 52612

    Flammability

    V0 UL 94

    Electrical

    PropertyValueComment

    Dielectric constant

    2.1 [-]

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    DIN 53483

    Dielectric strength

    48 kV/mm

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    VDE 0303

    Loss tangent

    0.0002 [-]

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    DIN 53483

    Surface resistivity

    1e+16 Ω/sq

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    min., DIN 60093

    Volume resistivity

    1e+17 Ω·cm

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    min., DIN 60093

    Technological properties

    Property
    Certifications

    Food Contact: FDA and EU 10/2011, RoHS,REACH