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Formula: PA 66 - (C₁₂H₂₂N₂)ₙ
Form: Rod
Material: Polyamide 66 (PA)
CAS Number: 32131-17-2
Commodity: Polymers
Nylon 66 Rods are a versatile engineering thermoplastic within our extensive range of rods. With 82 size variations available, they offer outstanding abrasion resistance, low moisture absorption and high mechanical strength. Their applications include bushings, rollers, wear strips, and electrical insulators across industrial, automotive, and consumer product sectors. Nylon 66 Rods provide an optimal balance of properties for designers seeking a high-performance, low-cost thermoplastic.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Rod
Diameter +20% / -10%

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Poor
Acids - dilute Poor
Alcohols Good
Alkalis Good-Fair
Aromatic hydrocarbons Good
Greases and Oils Good
Halogenated Hydrocarbons Good-Poor
Halogens Poor
Ketones Good
Mechanical Properties
Element Value
Coefficient of friction 0.2-0.3
Hardness - Rockwell M89
Poisson's ratio 0.41
Elongation at break( % ) 40
Tensile modulus( GPa ) 3.3
Izod impact strength( J m⁻¹ ) 40-110
Abrasive resistance - ASTM D1044( mg/1000 cycles ) 03-May
Tensile strength( MPa ) 82
Electrical Properties
Element Value
Dielectric constant @1MHz 3.4
Dissipation factor @ 1kHz 0.2
Dielectric strength( kV mm⁻¹ ) 25
Surface resistivity( Ohm/sq ) 10¹¹
Volume resistivity( Ohmcm ) 10¹³
Physical Properties
Element Value
Flammability HB
Radiation resistance Fair
Refractive index 1.53
Resistance to Ultra-violet Poor
Limiting oxygen index( % ) 23
Water absorption( % ) 8.5
Water absorption - equilibrium( % ) 8
Water absorption - over 24 hours( % ) 2.3
Density( gcm⁻³ ) 1.14
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 200
Heat-deflection temperature - 1.8MPa( C ) 100
Lower working temperature( C ) -30
Upper working temperature( C ) 80-180
Specific heat( J K⁻¹ kg⁻¹ ) 1670
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.25@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 90

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