HDPE Film

HDPE Film is characterized by its excellent mechanical strength, chemical resistance, and low water vapor transmission rate, making it one of the most reliable plastic films in industrial and research applications. Its toughness, combined with lightweight flexibility, allows it to serve in packaging, construction, agriculture, and environmental engineering sectors. It is widely applied in food packaging where barrier performance against moisture and gases is critical, in greenhouse coverings and mulching films for agriculture, and as protective liners in civil engineering projects. Specific technologies benefiting from HDPE Film include advanced packaging systems for dry goods, eco-friendly agricultural films optimized through annealing treatments, and multilayer composites where tailored permeability and durability are required. Research has shown that controlled annealing and polymer blending can further enhance its rheological and barrier properties, expanding its applicability in sustainable material solutions. In both scientific and industrial contexts, HDPE Film is valued for its adaptability, cost-efficiency, and proven performance across diverse sectors, making it a cornerstone material in polymer science and engineering.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Foil

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