EnvisionTEC | E-Shell 200 Series

    The E-Shell 200 Series is available in multiple colours. The material is used for the production of hearing aids.

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    EnvisionTEC E-Shell 200 Series

    The EnvisionTEC E-Shell 200 Series is a low viscosity liquid photopolymer that produces strong, tough, water-resistent ABS like parts incredibly detailed that are Class 11a biocompatible, according to ISO 10993/Medical Product Law and are CE certified for use as hearing aid products, otoplastics or medical devices. The resin is available in mulitple colours to suit various skin tones, however the exact colouring can be customised. Because of their opaque appearance, similar to production plastics, the resin can easily be used for non-medical applications. The resin was designed specifically for applications in the Medical Device and Hearing Aid industries and is CE marked as a medical product. The E-Shell 200 Series mimics traditional engineering plastics ABS, which makes it usable in many other non-hearing-aid applications.

    Applications: Hearing Aid, Medical Devices

    Colour Options

    Material Properties
    ASTM MethodDescriptionValue
    D638MTensile Strength57.8 MPa
    D638MElongation at Break6%
    D638MElongation at Yield3.2%
    D638MModulus of Elasticity2400 MPa
    D638MPoisson's Ratio0.21
    D790MFlexural Strength109 MPa
    D790MFlexural Modulus2300 MPa
    D256AIzod Impact - Notched21.1 J/cm
    D570 - 98Water Sorption0.12%
    D-149-97aDielectric Strength14.6
    E1545-00Glass Transition Temperature109° C
    Key Features
    • Tough function prototypes
    • Appearance models with minimal finishing
    • Durable concept models with high cross linkage
    • High humidity environment applications
    • RTV patterns
    • Water resistance applications
    • Hearing aid devices manufacturing

    Data sheet

    Tensile Strength
    57.8 MPa
    Flexural Strength
    109 MPa
    Flexural Modulus
    2300 MPa
    Elongation at Yield
    3.2 %