Compression-molded Duratron™ T4540 PAI shapes were developed specifically for advanced fluid management industries for use in rotating equipment applications. As a sealing and bearing grade polyamideimide that offers a very low coefficient of friction and superior wear properties, typical applications for Duratron™ T4540 PAI include labyrinth seals, wear rings, bushings and bearings.
PROPERTIES
Compression-molded
Very low coefficient of friction
High rub tolerance
Developed for use in rotating equipment
Thermal Properties
Property
Value
Heat Deflection Temperature at 1.8MPa (264 psi) (ºC)
Continuous allowable service temperature in air
260
Mechanical Properties
Property
Value
Tensile Strength (MPa)
Tensile Modulus of Elasticity (MPa)
Compressive stress at 1% nominal strain (MPa)
Compressive stress at 2% nominal strain (MPa)
Compressive stress at 5% nominal strain (MPa)
Flexural Strength (MPa)
Charpy Impact Notched (kJ/m²)
Chemical Properties
Property
Value
Hot Water / Steam
Limited
Acids, Weak
Acceptable
Acids, Strong (pH 1-3)
Limited
Alkalies, Weak
Limited
Alkalies, Strong (pH 11-14)
Not acceptable
Hydrocarbons - Aromatic
Acceptable
Hydrocarbons - Aliphatic
Acceptable
Ketones, Esters
Acceptable
Chlorinated Solvents
Acceptable
Alcohols
Acceptable
Inorganic Salt Solutions
Acceptable
Electrical Properties
Property
Value
Dielectric Strength (kV/mm)
Certification Properties
Property
Value
FDA
Not compliant
European Food Approval
Not compliant
NSF
Not compliant
3A-SSI
Not compliant
Canada AG
USDA
Not compliant
Flammability (UL Rating)
V-0
Medical use
Miscellaneous Properties
Property
Value
Base Material
PAI
Brand Family
Colors
Black
Density (g/cm3)
Water Absorption after 24 hrs immersion in water (%)
