Nylon 66 Fiber

Nylon 66 Fiber provides high tensile strength, abrasion resistance, and excellent thermal performance, making it a preferred choice for reinforcement and textile applications in demanding environments. It maintains dimensional stability under heat and load, resisting wear in mechanical and structural uses. Industries such as aerospace, automotive, and industrial manufacturing utilize Nylon 66 fiber in tire reinforcements, conveyor belts, and composite reinforcements. Specific applications include high-strength ropes, heat-resistant fabrics, and structural reinforcement in polymer composites. In research, it is employed in studies on fiber-matrix adhesion, fatigue resistance in woven structures, and performance optimization for high-stress applications. The fiber’s balance of mechanical strength, durability, and processing versatility ensures it remains a core material in both industrial production and scientific development.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Fiber

Filament Diameter		±25%
Number Of Yarns		±10%
Number Of Filaments		±10%
Tex Number		±10%
Length		+5% / -1%

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