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DuPont™ Kevlar® 29 Polyaramid Fibre (Polyparaphenylene terephthalamide)

DuPont™ Kevlar® 29 is a polyaramid fibre offered in Goodfellow's range of fibres. This fibre exhibits high tensile strength and modulus while maintaining flexibility. Kevlar® 29 also has excellent thermal, impact, and cut resistance. This fibre finds use in a wide variety of applications including bulletproof vests, helmets, ropes and cables, brake pads, and composites. With its exceptional combination of strength, heat resistance, and chemical stability, Kevlar® 29 stands out as a high-performance fibre.
Grade: DuPont™ Kevlar® 29
Formula: Polyparaphenylene terephthalamide
Length: 2000m
Filament Diameter: 0.012mm
Number Of Filaments: 135
Tex Number: 22
UOM Code: 354-763-57
SKU: 1000029421
Product Code: AR30-FB-000122

Tolerances

Fibre
Filament Diameter ±25%
Number Of Yarns ±10%
Number Of Filaments ±10%
Tex Number ±10%
Length +5% / -1%
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
US$657.06
each
  • Buy 5 for US$532.21 each and save 19%
  • Buy 10 for US$486.22 each and save 26%

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may apply for some hazardous materials.

Tolerances

Fibre
Filament Diameter ±25%
Number Of Yarns ±10%
Number Of Filaments ±10%
Tex Number ±10%
Length +5% / -1%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Poor
Acids - dilute Fair
Alcohols Good
Alkalis Good-Poor
Aromatic hydrocarbons Good
Greases and Oils Good
Halogenated Hydrocarbons Good
Halogens Good
Ketones Good
Physical Properties
Element Value
Resistance to Ultra-violet Fair
Water absorption( % ) 3.5
Water absorption - equilibrium( % ) 3.5
Density( gcm⁻³ ) 1.44
Thermal Properties
Element Value
Lower working temperature( C ) -200
Upper working temperature( C ) 180-245
Specific heat( J K⁻¹ kg⁻¹ ) 1400
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.04@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) -2Along Axis
Mechanical Properties
Element Value
Tensile modulus( GPa ) 59-124
Tensile strength( MPa ) 2760
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