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Formula: HDPE
Form: Foil/Film/Sheet
Material: High Density Polyethylene (HDPE)
CAS Number: 9002-88-4
Commodity: Polymers
High-density polyethylene (HDPE) film is a durable and versatile material with exceptional chemical resistance and high tensile strength, making it ideal for applications in energy storage, electrochemical systems, and environmental protection. It has been used to advance radiation-grafted anion-exchange membranes (RG-AEMs), enhance fuel cell performance and enable use of sustainable, nonprecious-metal catalysts in stationary power applications. The high conductivity of HDPE also supports metal-air and redox-flow batteries, electrolysers, and salinity gradient power systems. Furthermore, HDPE’s capacity for surface modifications expands its use in biomedical and materials science research, positioning it as a crucial material for innovation in energy and healthcare sectors.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
Thickness ±20%

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 0.29
Hardness - Rockwell D60-73 - Shore
Poisson's ratio 0.46
Tensile modulus( GPa ) 0.5-1.2
Izod impact strength( J m⁻¹ ) 20-210
Tensile strength( MPa ) 15-40
Electrical Properties
Element Value
Dielectric constant @1MHz 2.3-2.4
Dissipation factor @ 1MHz 1-10x 10⁻⁴
Dielectric strength( kV mm⁻¹ ) 22
Surface resistivity( Ohm/sq ) 10¹³
Volume resistivity( Ohmcm ) 10¹⁵-10¹⁸
Physical Properties
Element Value
Flammability HB
Radiation resistance Fair
Refractive index 1.54
Resistance to Ultra-violet Poor
Limiting oxygen index( % ) 17
Water absorption - over 24 hours( % ) 0.01
Density( gcm⁻³ ) 0.95
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 75
Heat-deflection temperature - 1.8MPa( C ) 46
Upper working temperature( C ) 55-120
Specific heat( J K⁻¹ kg⁻¹ ) 1900
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.45-0.52@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 100-200

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