Structural Epoxy Resin T26

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Description

Т26 is a single part low viscosity epoxy infusion resin developed for high-loaded structures. T26 offers simple and flexible processing due to low viscosity at relatively low impregnation temperatures (110°С). T26 was developed specially for RTM and vacuum infusion molding, to produce laminates with low porosity and extremely high mechanical performance, especially in crack resistance. It shows the following features and properties:


  • One-part resin designed specifically for high-temperature infusion or RTM
  • Wide processing window > 7 hours at 110°C
  • Curing at 180°C provides glass transition temperature of 205°C
  • High wet glass transition temperature —172°C
  • Very high resistance to impact
  • Operating temperatures from –60°C to 150°C
  • 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

    Absorción de agua

    23.0 °C

    1.6 %

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    for 54h to boiling water

    Densidad

    23.0 °C

    1.17 g/cm³

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    ASTM D792

    Mecánica

    PropertyTemperatureValueComment

    Elongación

    23.0 °C

    4 - 7.2 %

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    Módulo elástico

    23.0 °C

    3.1 GPa

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    ASTM D638

    Plane-Strain Fracture Toughnes

    23.0 °C

    0.62 MPa·√m

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    ASTM D5045

    Resistencia a la flexión

    23.0 °C

    152 MPa

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    ASTM D790

    Resistencia a la tracción

    23.0 °C

    95 MPa

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    ASTM D638

    Liberación de energía de deformación

    ASTM D5045

    Aplicaciones térmicas

    PropertyTemperatureValueComment

    Coeficiente de dilatación térmica

    23.0 °C

    7.2E-5 1/K

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    ASTM E831

    Temperatura de transición del vidrio

    202 °C

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    ASTM E1640

    Temperatura máx. de funcionamiento

    150

    Technological properties

    Property
    Application areas

    Drones;Sports equipment: Frame, wheels, seat, seat post, handlebar, head stem and crank arm of a sports bicycle are made of carbon composite;Geometry strengthen elements: Experimental stringer panel

    Processing history

    Preheat the resin to 60-90°С in its container for transfer to the resin pot. Degas the resin for 30-40 minutes while heating to 90°С. Preheat the tool to 100-110°С (or to 115-120°С for parts having complex shape or for UD parts). Maintaining resin pot temperature of 95 °С and tool temperature of 100-115 °С, begin resin infusion. After complete impregnation increase tool temperature at 2°С/min to 180°С. Dwell at 180°С for 3 h. Cool the tool to 90°С at <5°С/min before releasing part from tool.

    Processing methods

    Preheat the resin to 60-90°С in its container for transfer to the resin pot. Degas the resin for 30-40 minutes while heating to 90°С. Preheat the tool to 100-110°С (or to 115-120°С for parts having complex shape or for UD parts). Maintaining resin pot temperature of 95 °С and tool temperature of 100-115 °С, begin resin infusion. After complete impregnation increase tool temperature at 2°С/min to 180°С. Dwell at 180°С for 3 h. Cool the tool to 90°С at <5°С/min before releasing part from tool.