3M™ Dyneon™ TFM™ (Modified PTFE Granules TFM 1705)

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Description

Modified non-free-flowing suspension PTFE of the 2nd generation for compression moulding applications like diaphragms, shaped parts and skived films.


Special Features are:

  • Meets ASTM D 4894 Type III, Grade 1 classification
  • Produced by suspension polymerisation
  • Improved particle coalescence
  • Dense polymer structure with reduced void content
  • Low permeability
  • Substantially lower deformation under load (“cold flow”)
  • Very good electrical and mechanical properties
  • Improved gel stability
  • Increased modulus of elasticity
  • Good weldability
  • Improved flex life characteristics
  • Excellent chemical inertness
  • Low friction behaviour
  • Good flame retardance
  • Exceptional temperature resistance

  • Typical Properties:

    PTFE moulding powder with very small particle size is preferred for moulded parts requiring very good mechanical and electrical properties, a denser polymer structure, improved gel stability and flex life characteristics.

    Los datos sobre este material han sido proporcionados por Matmatch.

    A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
    Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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    Propiedades

    General

    PropertyTemperatureValueComment

    Densidad

    23.0 °C

    2.16 g/cm³

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    DIN EN ISO 12086

    Densidad aparente

    23.0 °C

    0.41 g/cm³

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    DIN EN ISO 60

    Tamaño de partícula

    25000 nm

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    ISO 13320, average value

    Mecánica

    PropertyTemperatureValueComment

    Dureza Shore D

    23.0 °C

    59 [-]

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    DIN EN ISO 868

    Elongación

    23.0 °C

    560 %

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    DIN EN ISO 527-3, 0.1 mm film

    Módulo elástico

    23.0 °C

    0.65 GPa

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    DIN EN ISO 527

    Resistencia a la tracción

    23.0 °C

    47 MPa

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    DIN EN ISO 527-3, 0.1 mm film

    Aplicaciones térmicas

    PropertyTemperatureValueComment

    Coeficiente de dilatación térmica

    100.0 °C

    1.2E-4 1/K

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    DIN 53 752, from 30°C to the mentioned temperature

    200.0 °C

    1.4E-4 1/K

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    DIN 53 752, from 30°C to the mentioned temperature

    260.0 °C

    1.7E-4 1/K

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    DIN 53 752, from 30°C to the mentioned temperature

    Conductividad térmica

    23.0 °C

    0.22 W/(m·K)

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    DIN 52612

    Inflamabilidad

    V-0 UL94

    Eléctrico

    PropertyTemperatureValueComment

    Resistividad eléctrica

    23.0 °C

    1.00E+16 Ω·m

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    IEC 60093

    Rigidez dieléctrica

    23.0 °C

    90 kV/mm

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    DIN EN ISO 12086, 0.1 mm film

    Surface resistivity

    23.0 °C

    1.00E+17 Ω/sq

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    IEC 60093

    Rheological Properties

    PropertyTemperatureValueComment

    Contracción

    23.0 °C

    5.4 %

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    Internal Dyneon method, Cylinder 45 mm diameter

    Technological properties

    Property
    Application areas

    3MTM DyneonTM TFMTM Modified PTFE Powder TFM 1705 is a non-free-flowing compression moulding powder for applications like shaped parts, large walled cylinders or blocks with reduced elephant foot, skived films of > 20 μm, linings in the chemical processing industry (CPI) and especially valve and pump diaphragms with improved flex life.