Ultra High Molecular Weight Polyethylene (UHMWPE)

Nombres alternativos y comerciales
GUR®, Utec®, Dialen®, Murdotec®
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Description

It is an Ultra-High Molecular Weight Polyethylene (UHMWPE) which the molecular weight is about 10 times greater than High Density Polyethylene (HDPE) resins and its density makes finished parts approximately eight times lighter than steel. This extremely high molecular weight provides several outstanding properties, such as:


  • High abrasion wear resistance
  • High impact resistance
  • Very low coefficient of friction that makes the material self-lubricating

  • An impact modified polymer. Food contact approved grades are available

    Los datos sobre este material han sido proporcionados por M-Base.

    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

    PropertyValue

    Densidad

    0.93 - 0.94 g/cm³

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    Mecánica

    PropertyValueComment

    Elongación

    300.0 - 350.0 %

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    Módulo elástico

    0.7 - 0.8 GPa

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    Resistencia a la tracción

    17.0 - 22.0 MPa

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    at 15-20% strain

    Resistencia al choque, ensayo Charpy no entallado

    no break

    Aplicaciones térmicas

    PropertyValue

    Calor específico

    2000 J/(kg·K)

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    Coeficiente de dilatación térmica

    0.00015 - 0.0002 1/K

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    Conductividad térmica

    0.4 W/(m·K)

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    Temperatura de fusión

    130.0 - 135.0 °C

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    Inflamabilidad

    UL 94 HB

    Eléctrico

    PropertyValue

    Constante dieléctrica

    2 [-]

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    3 [-]

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    Resistividad eléctrica

    1000000000000.0 - 1000000000000000.0 Ω·m

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    Óptico

    PropertyValue

    Transparencia

    no

    Technological properties

    Property
    Application areas

    Surgical implants, protheses, screw conveyors, pulleys, gears, bushings, rolls

    Other

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    Processing methods

    Extrusion