TECASON® P black (Radel 5500)


​Offering a level of performance above polysulfones, Ensinger's industrial grade TECASON P has increased temperature, impact and chemical resistance properties, as well as excellent resistance to repeated steam sterilization (autoclave) cycles. 



Chemical designation
PPSU (Polyphenylsulfone)
1,29 g/cm3

Main Features

  • high strength
  • high thermal and mechanical capacity
  • very resistant to autoclaving
  • high dielectric strength
  • good machinability

Target industries

Technical details

  • Mechanical properties
    Mechanical propertiesValueUnitConditionTest Method
    Tensile strength at yield11,500psi@ 73 °FASTM D 638
    Modulus of elasticity
    (tensile test)
    340,000psi@ 73 °FASTM D 638
    Elongation at break60%@ 73 °FASTM D 638
    Flexural strength13,200psi@ 73 °FASTM D 790
    Modulus of elasticity
    (flexural test)
    350,000psi@ 73 °FASTM D 790
    Compression strength14,350psi@ 73 °F, 10% strainASTM D 695
    Impact strength (Izod)3ftlbsin@ 73 °FASTM D 256
    Rockwell hardness123-@ 73 °FASTM D 785
    Compression strength1990psi@ 73 °F, 1% strainASTM D 695
    Compression modulus234,000psi@ 73 °FASTM D 695
    Rockwell hardness96-@ 73 °F, M scaleASTM D 785
  • Thermal properties
    Thermal propertiesValueUnitConditionTest Method
    Deflection temperature405F@264 psiASTM D 648
    Thermal expansion (CLTE)3.1* 10-5ininFASTM D 696
    Service temperature360FIntermittent-
    Specific heat0.27butlbf-
    Vicat softening point424F-
    Thermal conductivity1.74BTU-in/hr-ft^2 - deg-
    Service temperature300FLong Term-
  • Electrical properties
    Electrical propertiesValueUnitConditionTest Method
    Volume resistivity9*1015O*cmASTM D 257
    Dielectric strength381V/milthickness 0.125"ASTM D 149
    Dielectric constant3.44-@ 60 Hz, 73 °F, 50% RHASTM D 150
  • Other properties
    Other propertiesValueUnitConditionTest Method
    Moisture absorption0.37%@ 24 hrs, 73 °FASTM D 570
    Moisture absorption1.1%@ saturation, 73 °FASTM D 570
    Flammability (UL94)V0--

Stock program