HDPE Tube

HDPE Tube is known for its high impact strength, resistance to corrosion, and flexibility, making it an indispensable polymer component in fluid transport and protective conduit systems. Its low friction coefficient and chemical resistance allow for long service life in demanding environments. Industrially, HDPE tubes are widely used in water distribution networks, oil and gas infrastructure, and construction projects requiring reliable piping. Specific applications include pressure-resistant tubes enhanced with metallocene polyethylene for superior strength, multilayer drainage tubes incorporating UV- and oxidation-resistant coatings, and polymer blend tubes optimized for lightweight automotive systems. Research highlights their ability to integrate nanofillers, such as alumina, to improve dielectric and thermal conductivity, expanding their use into advanced electrical and mechanical technologies. In both research and industry, HDPE Tube represents a cornerstone material, balancing durability, adaptability, and process efficiency to deliver sustainable solutions for large-scale infrastructure and innovative engineered systems.

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Tolerance

Properties

Reference & Citations

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Tolerances

Tube

Outside Diameter	=<2mm	±10%
Outside Diameter	=<5mm	±10%
Outside Diameter	>5mm	±10%
Wall 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