TECASINT 4011 natural

unfilled polyimide

Compared with the other TECASINT materials the TECASINT 4000 series exhibits very low moisture absorption and high oxidative stability along with improved chemical resistance. Despite its high strength, TECASINT 4011 has high elongation at break and toughness. Rigidity and modulus are significantly increased vis-a-vis conventional polyimides in a temperature range up to 260°C. It also has minimal thermal and electrical conductivity. The plastic is highly pure and displays low outgassing in accordance with ESA regulation ECSS-Q-70-20.

Facts

Chemical designation
PI (Polyimide)
Colour
yellow
Density
1,42 g/cm3

Main Features

  • very high thermal and oxidative resistance
  • very low water absorption
  • high thermal and mechanical capacity
  • high creep resistance
  • low outgassing
  • good chemical resistance
  • resistance against high energy radiation
  • sensitive to hydrolysis in higher thermal range

Target industries

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Technical details


  • product-technical-detail-collapse-item-0-lvl-1
    Mechanical properties Value Unit Parameter Norm
    Notched impact strength (Charpy) 9.6 kJ/m2 max 7.5 J, 23°C DIN EN ISO 179-1
    Impact strength (Charpy) 87 kJ/m2 max 7.5 J, 23°C DIN EN ISO 179-1
    Shore hardness 88 - Shore D, 23°C -
    Tensile strength 130 MPa 50 mm/min, 23°C DIN EN ISO 527-1
    Elongation at break (tensile test) 4.5 % 50 mm/min, 23°C DIN EN ISO 527-1
    Modulus of elasticity
    (tensile test)
    4300 MPa 1 mm/min, 23°C DIN EN ISO 527-1
    Flexural strength 180 MPa 10 mm/min, 23°C DIN EN ISO 178
    Modulus of elasticity
    (flexural test)
    4000 MPa 2 mm/min, 23°C DIN EN ISO 178
    Compression strength 30 MPa 10 mm/min, 1% strain, 23°C EN ISO 604
    Compression modulus 2100 MPa 1 mm/min, 23°C EN ISO 604
    Elongation at break (tensile test) 6.0 % 10 mm/min, 23°C DIN EN ISO 178
    Compression strength 185 MPa 10mm/min, 10% strain, 23°C EN ISO 604
    Ball indentation hardness 265 MPa ISO 2039-1
  • product-technical-detail-collapse-item-1-lvl-1
    Thermal properties Value Unit Parameter Norm
    Glass transition temperature 260 C DIN EN ISO 11357
    Heat distortion temperature 360 C 1.82 MPa ASTM D 648
    Thermal expansion (CLTE) 5.6 10-5*1/K 50-200°C DIN 53 752
    Thermal expansion (CLTE) 7.6 10-5*1/K 200-300°C DIN 53 752
    Thermal expansion (CLTE) 11.2 10-5*1/K 300-350°C DIN 53 752
    Specific heat 1.22 J/(g*K) ASTM E1461
    Thermal conductivity 0.4 W/(k*m) 40°C ASTM E1461
  • product-technical-detail-collapse-item-2-lvl-1
    Electrical properties Value Unit Parameter Norm
    surface resistivity 1016 O 23°C ASTM D 257
    volume resistivity 1016 O*cm 23°C ASTM D 257
    Dielectric constant 3.59 - 1 kHz, 23°C ASTM D 150
    Electric strength DC 18 kV*mm-1 23°C ASTM D 149
    Dielectric loss factor 1*10-3 - 1 kHz, 23°C ASTM D 150
  • product-technical-detail-collapse-item-3-lvl-1
    Other properties Value Unit Parameter Norm
    Water absorption 0.16 % 24 h in water, 23°C DIN EN ISO 62
    Water absorption 0.6 % 24 h in water, 80°C DIN EN ISO 62
    Flammability (UL94) V0 - corresponding to DIN IEC 60695-11-10;
    Oxygen Index 49 % EN ISO 4589-2

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