High Density Polyethylene (COMPMB)

High Density Polyethylene (COMPMB)

COMPMB is a fractional melt flow PE copolymer which does not have the impact strength of LDPE but is softer and more resilient. Some uses include food packaging, household goods, industrial containers, pharmaceuticals, and tubing. This compound is designed for applications requiring the following properties:

  • Good Chemical Resistance
  • High Density
  • Good stiffness
  • FDA 21 CFR
  • Cannot be used much above 150 °F
  • Informational Download

    Download the PDF version of the information on this page below.

    Typical Properties Nominal Value ASTM Test Method
    Specific Gravity 0.955 D-1505
    Environmental Stress-Cracking Resistance
    100% Igepal, Compression Molded, F50
    45.0 hr D-1693A
    Environmental Stress-Cracking Resistance
    100% Igepal, Compression Molded, F50
    35.0 hr D-1693B
    Melt Mass-Flow Rate MFR(230°C/2.16kg) 0.35g/10 min D-1238
    Tensile Strength, psi 3920 D-638
    Tensile Elongation Break, Compression Molded (Type IV, 2.0 in/min) 600% D-638
    Flexural Modulus, 10⁵ psi 1.99 D-790
    Brittleness Temperature, °F -103 D-746

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