Products

K-Resin KR40

K-Resin® KR40 is an improved extrusion grade SBC designed specifically for superior performance in blends with general purpose polystyrene. K-Resin® KR40 offers excellent toughness and ductility.

Key Features

  • Greater Polystyrene Acceptance
  • Combines Clarity and Toughness
  • Good Formability
  • High Surface Gloss

Applications

  • Baby Food Containers
  • Yogurt Cups
  • Rigid Daily Food Packaging
  • Grade Version
  • Properties

    Properties of K-Resin KR40

    Property, Test Condition Standard Unit Values
    Rheological Properties
    Melt Flow Rate, 200 °C/5 kg ASTM D 1238 g/10 min 10
    Mechanical Properties
    Instrumented Dart Impact (total energy) ASTM D 3763 in-lbs 380
    Tensile Stress at Yield, 23 °C ASTM D 638 psi 2240
    Tensile Strain at Break, 23 °C ASTM D 638 % 339
    Flexural Strength, 23 °C ASTM D 790 psi 3535
    Flexural Modulus, 23 °C ASTM D 790 psi x 10³ 123
    Hardness, Shore D ASTM D 2240 - 60
    Tensile Modulus ASTM D 638 psi x 10³ 110
    Nominal Strain at Break, 23 °C - % 320
    Thermal Properties
    Vicat Softening Temperature, B/1 ( 120 °C/h, 10N) ASTM D 1525 °F 155
    DTUL @ 264 psi - Annealed ASTM D 648 °F 117
    Optical Properties
    Light Transmission at 550 nm ASTM D 1003 % 92
    Haze ASTM D 1003 % 2
    Other Properties
    Density (ASTM ) ASTM D 792 g/cm³ 1.02

    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 K-Resin KR40

  • Safety Data Sheet