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 colours available
1,39 g/cm3

Main Features

  • very high strength
  • good chemical resistance
  • good weldable and bondable
  • easy to polish
  • good slide and wear properties
  • high toughness
  • good machinability

Target industries

Technical details

  • Mechanical properties
    Mechanical propertiesValueUnitParameterNorm
    Modulus of elasticity
    (tensile test)
    3400MPa1mm/minDIN EN ISO 527-2
    Tensile strength91MPa50mm/minDIN EN ISO 527-2
    Tensile strength at yield91MPa50mm/minDIN EN ISO 527-2
    Elongation at yield4%50mm/minDIN EN ISO 527-2
    Elongation at break (tensile test)15%50mm/minDIN EN ISO 527-2
    Flexural strength134MPa2mm/min, 10 NDIN EN ISO 178
    Modulus of elasticity
    (flexural test)
    3400MPa2mm/min, 10 NDIN EN ISO 178
    Compression strength19/36/86MPa1% / 2% / 5%EN ISO 604
    Compression modulus2800MPa5mm/min, 10 NEN ISO 604
    Impact strength (Charpy)27kJ/m2max. 7,5JDIN EN ISO 179-1eU
    Ball indentation hardness195MPaISO 2039-1
  • Thermal properties
    Thermal propertiesValueUnitParameterNorm
    Glass transition temperature81CDIN EN ISO 11357
    Melting temperature244CDIN EN ISO 11357
    Service temperature170Cshort termNN
    Service temperature110Clong termNN
    Thermal expansion (CLTE)810-5*1/K23-60°C, long.DIN EN ISO 11359-1;2
    Thermal expansion (CLTE)1010-5*1/K23-100°C, long.DIN EN ISO 11359-1;2
  • Electrical properties
    Electrical propertiesValueUnitParameterNorm
    surface resistivity1014ODIN IEC 60093
    volume resistivity1014O*cmDIN IEC 60093
  • Other properties
    Other propertiesValueUnitParameterNorm
    Resistance to hot water/ bases---
    Flammability (UL94)HB-corresponding toDIN IEC 60695-11-10;
    Resistance to weathering(+)--
    Water absorption0.03%24h / 96h (23°C)DIN EN ISO 62

Stock program