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NOVODUR ULTRA 4255

Novodur® acrylonitrile butadiene styrene (ABS) polymers feature high surface quality and good impact strength. Novodur® Ultra 4255 is PC modified injection molding grade combining very high impact strength at room as well as at low temperature, 100 % ductility at -30 °C, high heat resistance and a best in class flowability. Furthermore, it is of low emission, i.e. suitable to produce parts which fulfill interior emission requirements of the automotive OEMs.

Key Features

  • Heat resistance
  • Low temperature toughness
  • Puncture resistance
  • Low emission
  • Low emission
  • Good paintability

Applications

  • Unpainted automotive interior: steering wheel covers, roof consoles
  • Unpainted automotive interior: seat trims, centre consoles
  • Automotive exterior trim : mirror housings, exterior pillars & trims, spoilers
  • Housings for electrical & electronic devices
  • Painted/ decorated Automotive interior: glove boxes, centre consoles, instrument panel trims
  • Roof spoiler

Industries

  • Grade Version
  • Properties

    Properties of NOVODUR ULTRA 4255

    Property, Test Condition Standard Unit Values
    Rheological Properties
    Melt Volume Rate, 260 °C/5 kg ISO 1133 cm³/10 min 17
    Mechanical Properties
    Charpy Notched Impact Strength, 23° C ISO 179/1eA kJ/m² 55
    Charpy Notched Impact Strength, -30 °C ISO 179/1eA kJ/m² 55
    Charpy Unnotched Impact Strength, 23 °C ISO 579 kJ/m² no break
    Charpy Unnotched Impact Strength, -30 °C ISO 579 kJ/m² no break
    Izod Notched Impact Strength, 23 °C (73 °F) ASTM D 256 kJ/m² 50
    Izod Notched Impact Strength, -30 °C (-22 °F) ASTM D 256 kJ/m² 48
    Tensile Modulus ISO 527 MPa 2100
    Tensile Stress at Yield, 23 °C ISO 527 MPa 47
    Tensile Strain at Yield, 23 °C ISO 527 % 4.1
    Tensile Stress at Break, 23 °C ISO 527 MPa 42
    Tensile Strain at Break, 23 °C ISO 527 % > 30
    Nominal Strain at Break, 23 °C ISO 527 % 88
    Flexural Modulus, 23 °C ISO 178 MPa 2400
    Flexural Strength, 23 °C ISO 178 MPa 70
    Hardness, Ball Indentation ISO 2039-1 MPa 97
    Thermal Properties
    Vicat Softening Temperature, VST/B/120 (50N, 120 °C/h) ISO 306 °C 113
    Vicat Softening Temperature VST/B/50 (50N, 50 °C/h) ISO 306 °C 110
    Heat Deflection Temperature A; (annealed 4 h/80 °C; 1.8 MPa) ISO 75 °C 103
    Heat Deflection Temperature B; (annealed 4 h/80 °C; 0.45 MPa) ISO 75 °C 116
    Coefficient of Linear Thermal Expansion ISO 11359 10-6/°C 85
    Electrical Properties
    Dielectric Strength, Short Time, 1.0 mm IEC 60243-1 kV/mm 35
    Comparative Tracking Index IEC 60112 V 275
    Other Properties
    Density ISO 1183 kg/m³ 1100
    UL94 rating at 1.5 mm thickness IEC 60695-11-10 - HB
    Glow wire test (GWFI), 2.0 mm IEC 60695-2-12 °C 700
    Processing
    Linear Mold Shrinkage ISO 294-4 % 0.55 - 0.75
    Melt Temperature Range ISO 294 °C 250 - 270
    Mold Temperature Range ISO 294 °C 60 - 80
    Drying Temperature - °C 80 - 90
    Drying Time - h 2 - 4

    Typical values for uncolored products
    Please note that all processing data stated are only indicative and may vary depending on the individual processing complexities.
    Please consult our local sales or technical representatives for details.

  • Processing

    Processing of NOVODUR ULTRA 4255

  • Safety Data Sheet
    Download Safety Data Sheet