HDPE

Category Type Material
Polymers Commodity Polymers

show all types of Polymers

 ABS Galvano
ABS General Purpose
ABS Heat Resistant
ABS High Impact
HDPE
LDPE
LLDPE
PMMA
PMMA (cast)
PP (cop.)
PP (hom.)
PS (gpps)
PS (hips)
PVC hard
PVC soft

Data Table for: Polymers: Commodity Polymers: HDPE

Mechanical Properties

Quantity Value Unit
Young's modulus 600 - 1400 MPa
Shear modulus 700 - 800 MPa
Tensile strength 20 - 32 MPa
Elongation 180 - 1000 %
Fatigue 18 - 20 MPa
Bending strength 20 - 45 MPa
Impact strength 0.27 - 10.9 J/cm

Physical Properties

Quantity Value Unit
Thermal expansion 110 - 130 e-6/K
Thermal conductivity 0.46 - 0.52 W/m.K
Specific heat 1800 - 2700 J/kg.K
Melting temperature 108 - 134 °C
Glass temperature -110 - -110 °C
Service temperature -30 - 85 °C
Density 940 - 965 kg/m3
Resistivity 5e+17 - 1e+21 Ohm.mm2/m
Breakdown potential 17.7 - 19.7 kV/mm
Dielectric loss factor 0.0005 - 0.0008
Friction coefficient 0.25 - 0.3
Refraction index 1.52 - 1.53
Shrinkage 2 - 4 %
Water absorption 0.01 - 0.01 %

Environmental Data

Quantity Value Unit
Eco indicator 95 2.782 mPt
EPS 768 mELU
Ex (in) / Ex (out) 1.81387808041505 MJ/MJ
GER 75.74 MJ
Raw materials input 43.5460724908 kg
Solid 0.0040100376 kg
Eco indicator 99 0.339 Pt
Environmental remarks Data concerning 36 European ethylene plants producing 4.5 million tonnes of polyethylene. 10 plants produced 1.3 million tonnes HDPE. The data are averaged over the plants. Total energie content of HDPE is 69 - 102 MJ/kg, with an average of 81 MJ/kg . Most plants use electricity from the public supply. The data take account of the country in which the operations are carried out. All activities for extraction of raw materials and fuel is included in the data. The same holds for transport to the plants. More information is given in Report no 3 of PWMI.

General

     
Remarks Good resistance against chemicals and impact. Very little waterabsorption. Incineration value (lowest): 43.5 MJ/kg. Not fit for glueing. Price recycled material 0,34 - 0.46 EUROl/kg. HDPE is not or difficult to bond with an adhesive. Bonding is only possible with cyano-acrylaat after the application of a primer. With cyano-acrylaat it is not possible to bond with glass, stone and concrete.
Sample

Sample: Commodity Polymers

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