Classification & advantages of polytheylene
Economical
Low co-efficient of friction
Excellent chemical resistance
Stable in cryogenic environments
Good impact resistance
FDA/USDA approved (HDPE)
Resistant to many solvents (HDPE)
Good fatigue and wear resistance (HDPE)
Zero water absorption (HDPE)
Application area of polyethylene
Conveyor guides
Chute liners
Chemical holding tanks
Food processing parts
Medical equipment
Packaging applications
Conveyor wear strips (HDPE)
Piping systems (HDPE)
Liquid dispensing equipment (HDPE)
Marine components (HDPE)
PROPERTY | METRIC | UNITS | ENGLISH | UNITS |
General | ||||
Density | 952 - 965 | kg/m^3 | 00.344 - 0.0349 | lb/ft^3 |
Mechanical | ||||
Yield Strength | 2.62e7 - 3.1e7 | Pa | 3.8 - 4.5 | ksi |
Tensile Strength | 2.21e7 - 3.1e7 | Pa | 3.21 - 4.5 | ksi |
Elongation | 11.2 - 12.9 | % strain | 1.12e3 - 1.29e3 | % strain |
Hardness (Vickers) | 7.75e7 - 9.71e7 | Pa | 7.9 - 9.9 | HV |
Impact Strength (un-notched) | 1.9e5 - 2e5 | J/m^2 | 90.4 - 95.2 | ft.lbf/in^2 |
Fracture Toughness | 1.52e6 - 1.82e6 | Pa/m^0.5 | 1.38 - 1.66 | ksi/in^0.5 |
Young's Modulus | 1.07e9 - 1.09e9 | Pa | 0.155 - 0.158 | 10^6 psi |
Thermal | ||||
Max Service Temperature | 113 - 129 | °C | 235 - 264 | °F |
Melting Temperature | 130 - 137 | °C | 266 - 279 | °F |
Insulator or Conductor | Insulator | Insulator | ||
Specific Heat Capability | 1.75e3 - 1.81e3 | J/kg °C | 0.418 - 0.432 | BTU/lb. °F |
Thermal Expansion Coefficient | 1.06e-4 - 1.98e-4 | strain/°C | 59 - 110 | µstrain/°F |
Eco | ||||
CO2 Footprint | 1.95 - 2.15 | kg/kg | 1.95 - 2.15 | lb/lb |
Recyclable | Yes | Yes | ||
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