PET polyester

TECAPET black PET is the black pigmented version of our standard PET polyester. Among other excellent product features, Ensinger's TECAPET PET is also designed for improved machining properties. In addition, as a result of the black coloration, PET black also offers improved UV protection for external use applications.


Chemical designation
PET (Polyethylene terephthalate)
Alternative colors available
1,38 g/cm3

Main Features

  • very good chemical resistance
  • resistent to cleaning agents
  • excellent wear properties
  • excellent strength and stiffness
  • low moisture absorption
  • improved surface hardness
  • resistance against high energy radiation

Target industries

Technical details


  • Mechanical properties
    Mechanical propertiesValueUnitConditionTest Method
    Coefficient of friction0.25%Dynamic, 40 psi, 50 fpmASTM D 3702
    Coefficient of friction0.19%StaticASTM D 3702
    Wear rate210*10-10in3minftlbshrAgainst Steel, 40 psi, 50 fpmASTM D 3702
    Rockwell hardness93-@ 73 °F, M scaleASTM D 785
    Impact strength (Izod)0.53ftlbsin@ 73 °FASTM D 256
    Flexural strength15,500psi@ 73 °FASTM D 790
    Modulus of elasticity
    (flexural test)
    470,000psi@ 73 °FASTM D 790
    Elongation at break12%@ 73 °FASTM D 638
    Modulus of elasticity
    (tensile test)
    470,000psiASTM D 638
    Tensile strength at yield10,000psi@ 73 °FASTM D 638
    Elongation at yield4%@ 73 °FASTM D 638
    Rockwell hardness125-@ 73 °F, R scaleASTM D 785
    Compression strength3,600psi@ 73 °FASTM D 695
    Compression strength14,000psi@ 73 °FASTM D 695
    Compression modulus345,000psi@ 73 °FASTM D 695
  • Thermal properties
    Thermal propertiesValueUnitConditionTest Method
    Heat distortion temperature175F@264 psiASTM D 648
    Thermal expansion (CLTE)3.9*10^-5 in/in / degreASTM D 696
    Heat distortion temperature240F@ 66 psiASTM D 648
    Thermal conductivity2.01BTU-in/hr-ft^2 - deg-
    Melting temperature490F-
    Specific heat0.28butlbf-
    Service temperature230FLong Term-
    Service temperature320FIntermittent-
  • Electrical properties
    Electrical propertiesValueUnitConditionTest Method
    Dissipation factor0.02%@ 60 Hz, 73 °FASTM D 150
    Dielectric constant3.4%@ 60 Hz, 73 °F, 50% RHASTM D 150
    Dielectric strength400V/milASTM D 149
    Volume resistivity1015O*cmASTM D 257
  • Other properties
    Other propertiesValueUnitConditionTest Method
    Moisture absorption0.04%@ 24 hrs, 73 °FASTM D 570
    Moisture absorption0.50%@ saturation, 73 °FASTM D 570

Stock program