Homopolyamide based on 3,3'-dimethyl-4,4'-diaminodicyclohexylmethane and dodecandioic acid (PAMACM12)

Alternative and trade names
Grilamid®
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Description

Their outstanding properties include high resistance to chemicals and stress cracking in combination with the excellent transparency of amorphous thermoplastics. The main features are:


  • High transparency
  • High chemical resistance
  • Lowest water absorption
  • Low specific weight
  • Excellent flexural strength
  • High heat deflection temperature
  • This material data has been provided by M-Base.

    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.

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    Properties

    General

    PropertyValue

    Density

    1.0 - 1.02 g/cm³

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    Mechanical

    PropertyValueComment

    Elastic modulus

    1.6 - 1.8 GPa

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    Impact strength, Charpy notched

    10.0 - 15.0 kJ/m²

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    Tensile strength

    60.0 - 75.0 MPa

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    at 6-7% strain

    Impact strength, Charpy unnotched

    no break

    Thermal

    PropertyValue

    Coefficient of thermal expansion

    9e-05 - 0.00012 1/K

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    Flammability

    UL 94 HB

    Electrical

    PropertyValue

    Electrical resistivity

    100000000000 Ω·m

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    Optical

    PropertyValue

    Transparency

    yes

    Technological properties

    Property
    Application areas

    Fuel systems, compressed air systems, medical devices, mobile phones, sunglasses

    Processing methods

    Injection molding, extrusion, blow molding