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Ensinger PEI

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Eastman 7352 PET  (discontinued **)
Categories: Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET); Polyethylene Terephthalate (PET), Unreinforced

Material Notes: VORIDIAN PET thermoplastic polyesters are condensation polymers produced by a continuous melt-phase polymerization process followed by a solid-state polymerization process. VORIDIAN PET polyester 7352 is a homopolymer PET that has been crystallized.

Applications/Uses

  • Automotive parts containers
  • Food packaging
  • Household products containers
  • Pharmaceutical containers
  • Medical
  • Health and Nutrition Containers
  • Food-contact containers
  • Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
     
    Physical PropertiesOriginal ValueComments
    Specific Gravity 1.32 g/ccASTM D792
    Bulk Density 0.817 g/ccPoured; ASTM D1895
     0.881 g/ccVibrated; ASTM D1895
    Density 1.40 g/ccCrystalline Density; ASTM D1505
    Melt Density 1.20 g/cc
    @Temperature 285 °C
    ASTM D1238
    Water Absorption 0.10 %24h Immersion; ASTM D570
    Particle Size 2500 µmPellet Size
    Viscosity Measurement 0.72 - 0.76Intrinsic; VGAS-A-AN-G-V-1
    Linear Mold Shrinkage 0.0040 cm/cmASTM D955
     
    Mechanical PropertiesOriginal ValueComments
    Hardness, Rockwell R 110ASTM D785
    Tensile Strength at Break 26.0 MPaASTM D638
    Tensile Strength, Yield 57.0 MPaASTM D638
    Elongation at Yield 4.0 %ASTM D638
    Flexural Yield Strength 81.0 MPaASTM D790
    Flexural Modulus 2.50 GPaASTM D790
    Izod Impact, Notched 0.360 J/cm
    @Temperature -40.0 °C
    ASTM D256
     51.0 J/m
    @Temperature 23.0 °C
    ASTM D256
    Izod Impact, Unnotched NBASTM D4812
     NB
    @Temperature -40.0 °C
    ASTM D4812
     
    Electrical PropertiesOriginal ValueComments
    Volume Resistivity 1.00e+16 ohm-cmASTM D257
    Surface Resistivity per Square 1.00e+16 ohmASTM D257
    Dielectric Constant 3.0
    @Frequency 1e+6 Hz
    ASTM D150
     3.2
    @Frequency 1000 Hz
    ASTM D150
    Dielectric Strength 15.7 kV/mmShort Time, 500V/sec; ASTM D149
    Dissipation Factor 0.0080
    @Frequency 1000 Hz
    ASTM D150
     0.020
    @Frequency 1e+6 Hz
    ASTM D150
    Arc Resistance 155 secASTM D495
     
    Thermal PropertiesOriginal ValueComments
    Heat of Fusion 63.0 J/gASTM E793
    Specific Heat Capacity 1.10 J/g-°CASTM E1269
     1.30 J/g-°C
    @Temperature 80.0 °C
    ASTM E1269
     1.40 J/g-°C
    @Temperature 100 °C
    ASTM E1269
     1.90 J/g-°C
    @Temperature 200 °C
    ASTM E1269
     2.10 J/g-°C
    @Temperature 280 °C
    ASTM E1269
    Melting Point 250 °CCrystalline Peak; ASTM D3418
    Deflection Temperature at 0.46 MPa (66 psi) 66.0 °CASTM D648
    Deflection Temperature at 1.8 MPa (264 psi) 62.0 °CASTM D648
    Vicat Softening Point 79.0 °C1kg load; ASTM D1525
     
    Processing PropertiesOriginal ValueComments
    Melt Temperature 275 - 295 °C
    Mold Temperature 10.0 - 30.0 °C
    Drying Temperature 150 - 160 °C
    Dry Time 4 - 6 hour
     
    Descriptive Properties
    Acetaldehyde<3ppmVKCA-A-AS-G-GC-0001
    Color, CIE a*-2.0 ± 1.5VGAS-A-AN-G-RS-001
    Color, CIE b*0.4 ± 1.5VGAS-A-AN-G-RS-001
    Color, CIE L*78.5 minVGAS-A-AN-G-RS-001
    Fines, wt%, max0.05VGAS-A-AN-G-GA-1
    Pellet ShapeCubical

    **
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