Textile Grade LDPE Fiber

Textile Grade LDPE Fiber is produced from low-density polyethylene, a polymer known for its flexibility, chemical resistance, and low moisture absorption. In fiber form, LDPE provides lightweight, durable, and chemically inert properties that make it valuable in textiles and composites. Industries including packaging, filtration, and medical textiles employ textile grade LDPE fibers in woven and nonwoven fabrics where softness, resilience, and resistance to chemical attack are critical. Specific applications include filtration media for chemical environments, reinforcement in composite fabrics, and medical-grade textile components requiring biocompatibility and chemical stability. In research, LDPE fibers are studied for their processing behavior, surface modification for improved adhesion, and performance in hybrid polymer composites. Their balance of lightweight durability, resistance to environmental stress, and adaptability in processing makes textile grade LDPE fibers an important material in modern textile engineering and polymer innovation.

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

Electrical Properties

Element	Value
Dielectric constant @1MHz	2.2-2.35
Dissipation factor @ 1MHz	1-10x 10⁻⁴
Dielectric strength( kV mm⁻¹ )	27
Surface resistivity( Ohm/sq )	10¹³
Volume resistivity( Ohmcm )	10¹⁵-10¹⁸

Physical Properties

Element	Value
Flammability	HB
Radiation resistance	Fair
Refractive index	1.51
Resistance to Ultra-violet	Poor
Limiting oxygen index( % )	17
Water absorption - over 24 hours( % )	0.015
Density( gcm⁻³ )	0.92

Mechanical Properties

Element	Value
Hardness - Rockwell	D41-46 - Shore
Elongation at break( % )	400
Tensile modulus( GPa )	0.1-0.3
Izod impact strength( J m⁻¹ )	1000
Tensile strength( MPa )	May-25

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	50
Heat-deflection temperature - 1.8MPa( C )	35
Lower working temperature( C )	-60
Upper working temperature( C )	50-90
Specific heat( J K⁻¹ kg⁻¹ )	1900-2300
Thermal conductivity( W m⁻¹ K⁻¹ )	0.33@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	100-200