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    Chevron Phillips Chemical Company LLC

    Marlex® HMN TR-938

    • Chevron Phillips Chemical Company LLC
    • MEDIUM DENSITY POLYETHYLENE (MDPE)
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    Marlex® HMN TR-938 Polyethylene is the medium density polyethylene resin is an ethylene-hexene copolymer tailored for rotational molding applications.

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    Product Details

    • Manufacturer
      Chevron Phillips Chemical Company LLC
    • Plastic Generic Family
      Polyethylene (PE)
    • Plastic Generic Symbol
      MEDIUM DENSITY POLYETHYLENE (MDPE)

    Properties

    Attributes

    Material Status

    Commercial: Active

    Features

    Medium density polyethylene resin | Ethylene-hexene copolymer | Wide processing window | Excellent impact strength | Good flow | Excellent ESCR | Durability

    Applications

    ROTO molding | Industrial waste containers and tanks | Marine equipment | Industrial tanks

    Physical Form

    Powder

    Processing Grades

    ROTO molding grade | Industrial tanks grade | Marine equipment grade | Tank grade

    Processing Technology

    Rotational molding

    Industry

    ROTO molding industry

    Certifications

    ASTM D4976 - PE 223 | FDA 21 CFR 177.1520(c) | UL94HB yellow card per UL file E349283 | UL746C (f1) yellow card per UL file E349283 | FMVSS.302 burn test | AS/NZS 4020:2005 (contact with drinking water) | NSF / ANSI Standard 61 for potable water (CLD 23) | Long term UV stabilization – ASTM 2565 (Cycle 1): greater than UV-20 | AS/NZS 4766 (polyethylene water and chemical tanks)4

    Physical Properties

    Title Value Unit Method Additional Information Property Notes
    Melt Index 3.0 gm/10 min ASTM D1238 (190 °C/2.16 kg ) -
    Durometer Hardness 60 ASTM D2240 (Type D (Shore D) ) -
    Crystallization 113 °C ASTM D 3418 - -
    Density 0.939 gm/cm³ ASTM D1505 - -

    Mechanical Properties

    Title Value Unit Method Additional Information Property Notes
    Flexural Modulus 820 MPa ASTM D790 (Tangent - 16:1 span:depth, 0.5 in/min ) -
    Flexural Modulus 660 MPa ASTM D790 ( 1 % Secant - 16:1 span:depth, 0.5 in/min) -
    Elongation @ Break 700 % ASTM D638 ( 2 in/min, Type IV bar) -
    Tensile strength at Yield 17 MPa ASTM D638 ( 2 in/min, Type IV bar) -
    Environmental Stress - Cracking Resistance (ESCR) 200 H ASTM D1693 (Condition A (100% Igepal), F50) -
    Environmental Stress - Cracking Resistance (ESCR) >1000 H ASTM D1693 (Condition A (100 % Igepal), F50) -

    Impact Properties

    Title Value Unit Method Additional Information Property Notes
    Impact Strength 95 J ARM Impact (1/8" (3.2 mm) thickness, -40 °C) -
    Impact Strength 273 J ARM Impact (1/4" (6.35 mm) thickness, -40 °C) -

    Thermal properties

    Title Value Unit Method Additional Information Property Notes
    VICAT Softening Point 117 °C ASTM D1525 (Loading 1, Rate A) -
    Brittleness Temperature -75 °C ASTM D746 ( Type A, Type I specimen ) -
    Melting point 128 °C ASTM D 3418 - -
    Heat Deflection temperature 62 °C ASTM D648 ( 66 psi, Method A) -
    Heat Deflection temperature 42 °C ASTM D648 ( 264 psi, Method A) -
    More Information
    Plastic Generic Family Polyethylene (PE)
    Plastic Generic Symbol (Sub Group) MDPE Prime / Virgin Resin
    Material Status Commercial: Active
    Features Durability, Ethylene-hexene copolymer, Excellent ESCR, Excellent impact strength, Good flow, Medium density polyethylene resin, Wide processing window
    Applications Industrial tanks , Industrial waste containers and tanks, Marine equipment , ROTO molding
    Physical Form Powder
    Processing Grades Industrial tanks grade, Marine equipment grade, ROTO molding grade, Tank grade
    Processing Technology Rotational molding
    Industry ROTO molding industry
    Certifications AS/NZS 4020:2005 (contact with drinking water), AS/NZS 4766 (polyethylene water and chemical tanks)4, ASTM D4976 - PE 223, FDA 21 CFR 177.1520(c) , FMVSS.302 burn test, Long term UV stabilization – ASTM 2565 (Cycle 1): greater than UV-20, NSF / ANSI Standard 61 for potable water (CLD 23), UL746C (f1) yellow card per UL file E349283, UL94HB yellow card per UL file E349283
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