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Chevron Phillips Marlex® HMN TR-942/942G Polyethylene; HDPE
Categories: Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE)

Material Notes: High density polyethylene. These hexene copolymers are tailored for rotational molding applications that require:
  • Wide process windows and fair flow
  • Long-term UV stabilization
  • Excellent impact strength
  • Good ESCR
These resins are available in:
  • Pellet form - HMN TR-942
  • 35 US mesh powder - HMN TR-942G

Applications:

  • Potable water and chemical tanks
  • Agricultural equipment

Information provided by Phillips

These resins meet the following specifications:

  • ASTM D4976 - PE 233
  • FDA 21 CFR 177.1520(c) 3.2a, use conditions B through H per 21 CFR 176.170(c) Table 2. Single use articles contacting food types I, II, IV-B, VI-A, VI-B, VII-B, and VIII. Repeated use articles contacting all food types defined in 21 CFR 176.170(c) Table 1.
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Physical PropertiesOriginal ValueComments
Density 0.943 g/ccASTM D-1505
ESCR 100% Igepal® 700 hourCondition A, F50; ASTM D-1693
ESCR 10% Igepal® 250 hourCondition A, F50; ASTM D-1693
Melt Index of Compound 2.0 g/10 min
@Load 2.16 kg,
Temperature 190 °C
ASTM D-1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 61ASTM D-2240
Tensile Strength, Yield 21.0 MPa2 in/min, Type IV bar; ASTM D-638
Elongation at Break 720 %2 in/min, Type IV bar; ASTM D-638
Flexural Modulus 0.860 GPaTangent - 16:1 span:depth, 0.5 in/min; ASTM D-790
 0.720 GPa
@Strain 2 %
Secant; 16:1 span:depth, 0.5 in/min; ASTM D-790
Impact Test 92.0 J
@Thickness 3.17 mm,
Temperature -40.0 °C
ARM Impact
 244 J
@Thickness 6.35 mm,
Temperature -40.0 °C
ARM Impact
 
Thermal PropertiesOriginal ValueComments
Melting Point 130 °CASTM D-3418
Crystallization Temperature 113 °CASTM D-3418
Deflection Temperature at 0.46 MPa (66 psi) 64.0 °CMethod A; ASTM D-648
Deflection Temperature at 1.8 MPa (264 psi) 44.0 °CMethod A; ASTM D-648
Vicat Softening Point 120 °CLoading 1, Rate A; ASTM D-1525
Brittleness Temperature -75.0 °CType A, Type I specimen; ASTM D-746

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