UHMWPE Fiber

UHMWPE Fiber offers extremely high tensile strength, low density, and superior resistance to abrasion and chemicals, making it one of the strongest synthetic fibers available. Produced from ultra-high-molecular-weight polyethylene, it provides a unique combination of lightweight strength and durability that surpasses many traditional engineering polymers. Industries including aerospace, defense, and medical technology employ UHMWPE fibers for ballistic protection, lightweight composites, and high-strength sutures. Specific applications include bullet-resistant vests, aerospace structural reinforcements, and medical implants such as orthopedic sutures and ligaments. In research, UHMWPE fibers are studied for nanocomposite reinforcement, fatigue resistance under cyclic loading, and surface treatments for improved adhesion in hybrid composites. Their extraordinary strength-to-weight ratio, combined with chemical inertness and low friction, makes UHMWPE fibers a vital material for advanced protective, structural, and biomedical applications.

Quick Links:

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	Good-Fair
Acids - dilute	Good
Alcohols	Good
Alkalis	Good
Aromatic hydrocarbons	Fair
Greases and Oils	Good-Fair
Halogenated Hydrocarbons	Fair-Poor
Halogens	Fair-Poor
Ketones	Good-Fair

Mechanical Properties

Element	Value
Coefficient of friction	0.1-0.2
Hardness - Rockwell	R50-70
Poisson's ratio	0.46
Elongation at break( % )	500
Tensile modulus( GPa )	0.2-1.2
Izod impact strength( J m⁻¹ )	1000
Tensile strength( MPa )	20-40

Electrical Properties

Element	Value
Dielectric constant @1MHz	2.3
Dissipation factor @ 1MHz	1-10x 10⁻⁴
Dielectric strength( kV mm⁻¹ )	28
Surface resistivity( Ohm/sq )	10¹³
Volume resistivity( Ohmcm )	10¹⁸

Physical Properties

Element	Value
Flammability	HB
Radiation resistance	Fair
Resistance to Ultra-violet	Poor
Limiting oxygen index( % )	17
Water absorption - over 24 hours( % )	0.01
Density( gcm⁻³ )	0.94

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	69
Heat-deflection temperature - 1.8MPa( C )	42
Upper working temperature( C )	55-95
Specific heat( J K⁻¹ kg⁻¹ )	1900
Thermal conductivity( W m⁻¹ K⁻¹ )	0.42-0.51@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	130-200