Products

Styrolux 656C

Styrolux® 656C is a clear styrene-butadiene copolymer (SBC) with enhanced flow properties. It is used almost exclusively for injection molding of rigid, tough parts requiring highest levels of clarity and surface gloss. Styrolux® 656C is sterilizable by gamma-rays and offers good hinge properties.

Key Features

  • Tough and stiff grade
  • Enhanced flowability
  • High clarity

Applications

  • Moulded containers and bottles
  • Toys
  • Displays
  • Appliance housings
  • Medical devices
  • Garment hangers
  • Grade Version
  • Properties

    Properties of Styrolux 656C

    Property, Test Condition Standard Unit Values
    Rheological Properties
    Melt Flow Rate, 200 °C/5 kg ASTM D 1238 g/10 min 15
    Mechanical Properties
    Izod Notched Impact Strength, 23 °C (73 °F) ASTM D 256 ft-lb/in -
    Instrumented Dart Impact (total energy) ASTM D 3763 in-lbs 5.33
    Instrumented Dart Impact (Peak force) ASTM D 3763 in-lbs 5.33
    Tensile Stress at Yield, 23 °C ASTM D 638 psi 4060
    Tensile Modulus ASTM D 638 psi x 10³ 244
    Elongation, Failure ASTM D 638 % 40
    Flexural Strength, 23 °C ASTM D 790 psi 4790
    Flexural Modulus, 23 °C ASTM D 790 psi x 10³ 217
    Hardness, Shore D ASTM D 2240 - 72
    Thermal Properties
    Vicat Softening Temperature, B/1 ( 120 °C/h, 10N) ASTM D 1525 °F 194
    DTUL @ 264 psi - Unannealed ASTM D 648 °F 152
    DTUL @ 66 psi - Unannealed ASTM D 648 °F 177
    Coefficient of Linear Thermal Expansion ASTM D 696 10^(-4)/°F 0.72
    Electrical Properties
    Dielectric Constant at 106 CPS (1000000 Hz, 0,0394 in) ASTM D 150 - 2.5
    Volume Resistivity ASTM D 257 - >1E13
    Surface Resistivity ASTM D 257 - >1E14
    Optical Properties
    Refractive Index, Sodium D Line ASTM D 542 - 1.579
    Light Transmission at 550 nm ASTM D 1003 % 90
    Haze ASTM D 1003 % -
    Other Properties
    Density ASTM D 792 - 1.02
    Water Absorption, Saturated at 23 °C ASTM D 570 % 0.07
    Processing
    Linear Mold Shrinkage ASTM D 955 in/in 0.0065
    Melt Temperature Range °F 356 to 482
    Mold Temperature Range °F 86 to 122

    Typical values for uncolored products

  • Processing

    Processing of Styrolux 656C

  • Safety Data Sheet