TECAPEI natural

unfilled PEI

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TECAPEI natural (PEI) is an unreinforced polyetherimide, suitable for contact with foods, that exhibits high mechanical strength and rigidity. The characteristic profile includes very good hydrolysis resistance, and dimensional stability, combined with a relatively high long term service temperature.

Compliances

Facts

Chemical designation
PEI (Polyetherimide)
Colour
amber
Density
1.28 g/cm3

Main Features

  • resistance against high energy radiation
  • high thermal and mechanical capacity
  • high dimensional stability
  • inherent flame retardant

Target industries

electronics
semiconductor technology
aircraft and aerospace technology
automotive industry
vacuum technology

Downloads

Datasheet (PDF)
Product handling (PDF)

Technical details

  • product-technical-detail-collapse-item-0-lvl-1
    Mechanical properties Value Unit Parameter Norm
    Modulus of elasticity
    (tensile test)    		 3200 MPa 1mm/min DIN EN ISO 527-2
    Tensile strength 127 MPa 50mm/min DIN EN ISO 527-2
    Tensile strength at yield 127 MPa 50mm/min DIN EN ISO 527-2
    Elongation at yield (tensile test) 7 % 50mm/min DIN EN ISO 527-2
    Elongation at break (tensile test) 35 % 50mm/min DIN EN ISO 527-2
    Flexural strength 164 MPa 2mm/min, 10 N DIN EN ISO 178
    Modulus of elasticity
    (flexural test)    		 3300 MPa 2mm/min, 10 N DIN EN ISO 178
    Compression modulus 2800 MPa 5mm/min, 10 N EN ISO 604
    Compression strength 23/41/92 MPa 1% / 2% / 5% EN ISO 604
    Impact strength (Charpy) 113 kJ/m2 max. 7,5J DIN EN ISO 179-1eU
    Shore hardness 88 D DIN EN ISO 868
  • product-technical-detail-collapse-item-1-lvl-1
    Thermal properties Value Unit Parameter Norm
    Glass transition temperature 216 C DIN EN ISO 11357
    Melting temperature n.a. C DIN EN ISO 11357
    Thermal conductivity 0.21 W/(k*m) ISO 22007-4:2008
    Specific heat 1.2 J/(g*K) ISO 22007-4:2008
    Service temperature 200 C short term NN
    Service temperature 170 C long term NN
    Thermal expansion (CLTE) 5 10-5*1/K 23-60°C, long. DIN EN ISO 11359-1;2
    Thermal expansion (CLTE) 5 10-5*1/K 23-100°C, long. DIN EN ISO 11359-1;2
    Thermal expansion (CLTE) 6 10-5*1/K 100-150°C, long. DIN EN ISO 11359-1;2
  • product-technical-detail-collapse-item-2-lvl-1
    Electrical properties Value Unit Parameter Norm
    surface resistivity 1014 Ω -
    volume resistivity 1014 Ω*cm -
  • product-technical-detail-collapse-item-3-lvl-1
    Other properties Value Unit Parameter Norm
    Resistance to hot water/ bases + - -
    Flammability (UL94) V0 - corresponding to DIN IEC 60695-11-10;
    Resistance to weathering - - -
    Water absorption 0.05 - 0.1 % 24h / 96h (23°C) DIN EN ISO 62

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