TECADUR PET CMP is a special polyester grade, meeting the requirements of the Semiconductor industry with regard to low impurites and ionic contamination, maintaining high quality standards, in addition to having very good sliding and wear properties.


Chemical designation
PET (Polyethylene terephthalate)
1,39 g/cm3

Main Features

  • high strength
  • good slide and wear properties
  • good wear resistance
  • good weldable and bondable
  • not hot water resistant over 60°C
  • high toughness
  • good chemical resistance
  • high stiffness

Target industries

Technical details

  • Mechanical properties
    Mechanical propertiesValueUnitParameterNorm
    Ball indentation hardness194MPaISO 2039-1
    Impact strength (Charpy)150kJ/m2max. 7,5JDIN EN ISO 179-1eU
    Compression modulus2800MPa5mm/min, 10 NEN ISO 604
    Compression strength38MPa1% / 2%EN ISO 604
    Modulus of elasticity
    (flexural test)
    3400MPa2mm/min, 10 NDIN EN ISO 178
    Elongation at break14%50mm/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
    Flexural strength134MPa2mm/min, 10 NDIN EN ISO 178
    Modulus of elasticity
    (tensile test)
    3300MPa1mm/minDIN EN ISO 527-2
  • Thermal properties
    Thermal propertiesValueUnitParameterNorm
    Glass transition temperature81CDIN EN ISO 11357
    Service temperature170Cshort termNN
    Thermal expansion (CLTE)1010-5*1/K23-100°C, long.DIN EN ISO 11359-1;2
    Thermal expansion (CLTE)810-5*1/K23-60°C, long.DIN EN ISO 11359-1;2
    Service temperature110Clong termNN
    Melting temperature244CDIN EN ISO 11357
  • Electrical properties
    Electrical propertiesValueUnitParameterNorm
    volume resistivity1014O*cmDIN IEC 60093
    surface resistivity1014ODIN IEC 60093
  • Other properties
    Other propertiesValueUnitParameterNorm
    Water absorption0.03%24h / 96h (23°C)DIN EN ISO 62
    Resistance to hot water/ bases---
    Resistance to weathering--NN
    Flammability (UL94)HB-corresponding toDIN IEC 60695-11-10;

Stock program