Products / TORLON PAI (Polyamide-imide) / TORLON PAI 4203 (PAI)

TORLON PAI 4203 (PAI)

Unfilled, natural polyamide-imide (PAI) having the best toughness among PAI products. Due to low heat expansion often used as precision part material at elevated temperatures. (upt to 250° C). Good electrical insulator.

Product properties

Color: 
Electrically insulator: 
Yes
main area of use: 
Basic stucture material, Raised temperature applications

Printable materials

Size table
Technical Data Sheet
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PropertiesUnitMethodValue
Colour
Densityg/cm3DIN EN ISO 11831.41
Flammability (UL94)-DIN IEC 60695-11-10V0
Water absorption in air, 24 h / 96 h, (23ºC)%DIN EN ISO 620.35/ 2.5
Dielectric constant-IEC 60250
Volume resistivityΩ*cmIEC600931014
Surface resistivityΩIEC600931013
Dielectric strengthkV/mmIEC 6024324
Dielectric dissipation factor (50 Hz)-IEC60 2500.026
Comparative tracking index (CTI)-IEC 60112
Thermal conductivityW/ (K.m)ISO 22007-4:20080.26
Chemical resistance at 23ºC: deluted acids-A*
Chemical resistance at 23ºC: strong acids-A-B*
Chemical resistance at 23ºC: aliphatic hydrocarbons-A*
Chemical resistance at 23ºC: chlorin dissolvents-A-B*
Chemical resistance at 23ºC: alcoholsA*
Chemical resistance at 23ºC: deluted bases-A*
Chemical resistance at 23ºC: strong bases-A-B*
Chemical resistance at 23ºC: aromatic hydrocarbons-A*
Melting temperatureºCISO 11357-3
Glass transition temperatureºCDIN 53765280
Specific heatJ/(g.K)ISO 22007-4:2008
Coefficient of linear thermal expansion (CLTE): 23 - 60ºCm/(m.K)x10-5DIN EN ISO 11359-1;23
Coefficient of linear thermal expansion (CLTE): 23 - 100ºCm/(m.K)x10-5DIN EN ISO 11359-1;23
Max. allowable service temperature in air, short termºC270
Max. allowable service temperature in air, long termºC250
Min. allowable service temperature in air, long termºC
Heat deflection temperatureºCDIN EN ISO 75, A280
Yield stressMPaDIN EN ISO 527-2120
Modulus of elasticity (tensile test)MPaDIN EN ISO 527-24500
Elongation at break%DIN EN ISO 527-210
Flexural strengthMPaDIN EN ISO 178165
Impact strength, CharpykJ/m2DIN EN ISO 179-1eUnem törik
Tensile strengthMPaDIN EN ISO 527-2120
Compressive strengthMPaEN ISO 604 1% / 2% 27 / 53
Notched impact strength, charpykJ/m2DIN EN ISO 179-1eA10
Ball indentation hardnessMPaISO 2039-1200
Shore D hardness-DIN EN ISO 86890
(*) legend:
  • A – applicable
  • B – partially applicable
  • C – not applicable

Rods

Diameter (mm)
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Tolerance on diameter: +0.1; +0.6 Weight: 0.011 kg/fm Standard length: 1220 mm Tolerances on length: 0; +3 Availabilty: Stock shape
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Tubes

Outer diameter (mm)
Inner diameter (mm)
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Tolerances on outer diameter: +0; +1,8 Tolerances on inner diameter: -1,8; -0 Nominal wall thickness: 6.3 mm Weight: 0.77 kg/fm Standard length: 610, 1220 mm Tolerances on length: 0; +3 Availabilty: Can be ordered
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Plates

Thickness (mm)
Size of plate (mm x mm)
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Tolerances on thickness: +0; +0,8 Weight: 2.07 kg/fm Size of plate: 304.8 x 1220 mm Tolerances on width: +0; +7,5 Tolerances on length: 0; +3 Availabilty: Can be ordered
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