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Ensinger PEI

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Eastman 12822 Polyester  (discontinued **)
Categories: Polymer; Thermoplastic; Polyester, TP

Material Notes: Eastman Polyester 12822 is a condensation polymer produced by a continuous melt-phase polymerization process followed by a solid-state polymerization process. Eastman Polyester 12822 has been crystallized.

Applications/Uses

  • Compounders
  • Medical
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    Physical PropertiesOriginal ValueComments
    Bulk Density 0.800 g/ccPoured; ASTM D1895
     0.855 g/ccVibrated; ASTM D1895
    Density 1.40 g/ccCrystalline Density; ASTM D1505
    Melt Density 1.20 g/cc
    @Temperature 285 °C
    ASTM D1238
    Particle Size 2500 µmPellet Size
     
    Thermal PropertiesOriginal ValueComments
    Heat of Fusion 59.0 J/gASTM E793
    Specific Heat Capacity 1.10 J/g-°CDSC
     1.30 J/g-°C
    @Temperature 80.0 °C
    DSC
     1.40 J/g-°C
    @Temperature 100 °C
    DSC
     1.80 J/g-°C
    @Temperature 200 °C
    DSC
     2.00 J/g-°C
    @Temperature 280 °C
    DSC
    Melting Point 250 °CCrystalline Peak; ASTM D3418
     
    Descriptive Properties
    Acetaldehyde<3ppm
    Fines, wt%, max0.1
    Pellet ShapeCubical

    **
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