TECAST® T natural

PA 6 C

Ensinger TECAST T natural cast nylon offers a combination of good mechanical properties, excellent bearing and wear characteristics, and the large size capabilities of the casting process. The cast polyamide's fatigue resistance, noise damping ability, corrosion resistance, and light weight make TECAST ideal for metal replacement applications, such as bearings, gears, sheaves, and sprockets. At one-eighth the weight of bronze, TECAST is easier to handle and maintain than metals such as iron, aluminum, brass, and bronze, which it typically replaces in industrial wear applications.


Chemical designation
PA 6 (Polyamide 6)
Alternative colors available
1,14 g/cm3

Main Features

  • good wear properties
  • good mechanical properties
  • high fatigue strength
  • good damping
  • high mechanical load capacity
  • resistant to many oils, greases and fuels

Target industries

Technical details

  • Mechanical properties
    Mechanical propertiesValueUnitConditionTest Method
    Tensile strength at yield12,000psi@ 73 °FASTM D 638
    Modulus of elasticity
    (tensile test)
    400,000psi@ 73 °FASTM D 638
    Elongation at break (tensile test)30%@ 73 °FASTM D 638
    Flexural strength12,500psi@ 73 °FASTM D 790
    Modulus of elasticity
    (flexural test)
    350,000psi@ 73 °FASTM D 790
    Impact strength (Izod)1.4ftlbsin@ 73 °FASTM D 256
    Rockwell hardness120-@ 73 °FASTM D 785
    Wear (K) factor200*10-10in3minftlbshrAgainst Steel, 40 psi, 50 fpmASTM D 3702
    Coefficient of friction0.26-Dynamic, 40 psi, 50 fpmASTM D 3702
    Elongation at yield4%@ 73 °FASTM D 638
    Compression modulus360,000psi@ 73 °FASTM D 695
    Compression strength3,400psi@ 1% strainASTM D 695
    Compression strength14,400psi@ 10% strainASTM D 695
  • Thermal properties
    Thermal propertiesValueUnitConditionTest Method
    Deflection temperature370F@ 66 psiASTM D 648
    Deflection temperature200F@264 psiASTM D 648
    Thermal expansion (CLTE)4.0*10^-5 in/in / degreASTM D 696
    Service temperature300FIntermittent-
    Service temperature200FLong Term-
    Specific heat0.40butlbf-
    Thermal conductivity1.67BTU-in/hr-ft^2 - deg-
    Melting temperature428FASTM D 2133
  • Electrical properties
    Electrical propertiesValueUnitConditionTest Method
    volume resistivity1014O*cmASTM D 257
    Dielectric strength500V/milASTM D 149
    Dielectric constant3.7-@ 60 Hz, 73 °F, 50% RHASTM D 150
    surface resistivity1.0*1014Ohm/squareASTM D 257
  • Other properties
    Other propertiesValueUnitConditionTest Method
    Flammability (UL94)HB--
    Moisture absorption1.2%@ 24 hrs, 73 °FASTM D 570
    Moisture absorption5.5%@ saturation, 73°FASTM D 570

Stock program