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Formula: HDPE
Form: Granule
Material: High Density Polyethylene (HDPE)
CAS Number: 9002-88-4
Commodity: Polymers
Nominal Granule Size: 2-4mm
Melt Flow Rate (MFR): 7.6g/10min
Color: Natural
Goodfellow's range of HDPE Granules offers 16 variations of this thermoplastic polymer material. With high impact strength and chemical resistance, HDPE Granules are widely used in injection molding applications. The different granule sizes and properties allow manufacturers to optimize material flow and molding characteristics. Common applications for injection molded HDPE include food and beverage containers, toys, household items and automotive parts. With a wide selection available, we make it easy for you to find the right HDPE Granules for your manufacturing needs.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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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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