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TDS - HHX-007
For more information and technical
assistance contact:
Phillips Sumika Polypropylene Company
P.O. Box 4910
The Woodlands, TX 77387-4910
800.231.1212 ext 4849
Marlex® HHX-007
Polypropylene Homopolymer, Excellent Long Term Heat Stability

Applications:
  • Coolant Bottle Reservoirs
  • Overflow Tanks
  • Blow Molded Parts
    Nominal Properties
    Property English SI Method
      Density 0.902 g/cc 0.902 g/cc ASTM D1505
      Melt Flow Rate, @ 230°C 0.65 g/10min 0.65 g/10min ASTM D1238
      Tensile Strength at Yield, 50 mm/min 4,900 psi 33.5 MPa ASTM D638
      Flexural Modulus, Secant, 1.3 mm/min 185,000 psi 1,275 MPa ASTM D790
      Notched Izod Impact Strength, @ 23°C 1.3 ft*lbf/in 70 J/m ASTM D256
      Heat Deflection Temperature, @ 0.455 MPa 198 °F 92 °C ASTM D648
      Rockwell Hardness, R Scale 94 94 ASTM D785
      Shore D Hardness 70 70 ASTM D2240



    Mechanical properties were determined using injection-molded specimens 1/8” (3.2mm) thick molded per ASTM D4101, unless otherwise noted.
    The nominal properties reported herein are typical of the product but do not reflect normal testing variance and therefore should not be used for specification purposes.

    Marlex® HHX-007
    Polypropylene Homopolymer, Excellent Long Term Heat Stability



      Molding Guidelines

      General Processing Conditions for:  Injection Molding
    • Rear Temperature: 350 - 390°F (145 - 200°C)

    • Middle Temperature: 410 - 455°F (210 - 235°C)

    • Front and Nozzle Temps: 410 - 455°F (210 - 235°C)

    • Stock Temperature: 440 - 500°F (227 - 260°C)

    • Mold Temperature: 73 - 120°F (23 - 50°C)
    • Suggested shot size: 50 to 70%

    • First stage injection pressure: Maximize

    • Screw speed: 30 to 60%

    • Packaging pressure: Minimize

    • Back Pressure: 50 to 150 psi
      Other Molding Considerations:
    Dispersion of color concentrates is improved when using a screw with a mixing zone or a mixing nozzle.
    MSDS #240590 Revision Date November, 2006
    Before using this product, the user is advised and cautioned to make its own determination and assessment of the safety and suitability of the product for the specific use in question and is further advised against relying on the information contained herein as it may relate to any specific use or application. It is the ultimate responsibility of the user to ensure that the product is suited and the information is applicable to the user's specific application. Phillips Sumika Polypropylene Company does not make, and expressly disclaims, all warranties, including warranties of merchantability or fitness for a particular purpose, regardless of whether oral or written, express or implied, or allegedly arising from any usage of any trade or from any course of dealing in connection with the use of the information contained herein or the product itself. The user expressly assumes all risk and liability, whether based in contract, tort or otherwise, in connection with the use of the information contained herein or the product itself. Further, information contained herein is given without reference to any intellectual property issues, as well as federal, state or local laws which may be encountered in the use thereof. Such questions should be investigated by the user.
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