haht.product_family: LLDPE; , haht.material_numbers: , haht.trade_name: 7235, haht.conversion_process: Cast Film; Extrusion Coating Lamination; , haht.product_name: Polyethylene, haht.content_type: TDS, cpchem.advancedSearch.section:
TDS - 7235
For more information and technical
assistance contact:
Chevron Phillips Chemical Company LP
P.O. Box 4910
The Woodlands, TX 77387-4910
800.231.1212
SUPERIOR FLEXIBLE PACKAGING RESINS
MarFlex® 7235
HEXENE LINEAR LOW DENSITY POLYETHYLENE

This LLDPE is tailored for applications that require:
  • Excellent processibility
  • Good drawdown characteristics
  • Good toughness characteristics
  • Good stiffness
  • Use alone or in blends with LDPE or HDPE
  • Typical extrusion coating applications include:
  • Overwraps
  • Coextrusions
  • General paper and board coating
    Typical cast film applications include:
  • Bakery
  • Overwraps
  • Converter films
  • Laminations
  • General purpose packaging
  • This resin meets these specifications:
  • ASTM D4076 - PE 235
  • FDA 21 CFR 177.1520(c) 3.2a, use conditions B through H per 21 CFR 176.170(c)

  • Nominal Resin Properties English SI Method
      Density --- 0.923 g/cm3 ASTM D1505
      Melt Index, 190C/2.16Kg --- 3.5 g/10min ASTM D1238
      Process Aid None None ---
      Antiblock None None ---
      Slip None None ---

    Nominal Cast Film Properties at 1.25 mil1 English SI Method
      Haze 4 % 4 % ASTM D1003
      Gloss, 60° 140 140 ASTM D2457
      COF 1.0+ 1.0+ ASTM D1894
      Dart --- 70 g/mil ASTM D1709
      Elmendorf Tear MD --- 150 g/mil ASTM D1922
      Elmendorf Tear TD --- 450 g/mil ASTM D1922
      Tensile Strength at Break MD 5000 psi 34 MPa ASTM D882
      Tensile Strength at Break TD 3200 psi 22 MPa ASTM D882
      Tensile Strength Elongation at Break MD 500 % 500 % ASTM D882
      Tensile Strength Elongation at Break TD 700 % 700 % ASTM D882
      1% Secant Modulus MD 31000 psi 214 MPa ASTM D882
      1% Secant Modulus TD 33000 psi 228 MPa ASTM D882
    1. Produced on 2.5 in extruder 24:1 L/D 40 mil Die Gap 500 F Melt Temperature
    MSDS #240370 Revision Date February, 2008
    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. Chevron Phillips Chemical Company LP 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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