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to Properties of polymers

Thermoplastic Low Density Polyethylene (LDPE)

(submitted by the website administration)

Thermoplastic
Low Density Polyethylene (LDPE)
Property Value in metric unit Value in US unit
Density 0.92 *10³ kg/m³ 57.4 lb/ft³
Modulus of elasticity 0.29 GPa 42 ksi
Tensile strength 17 MPa 2500 psi
Elongation 500 % 500 %
Flexural strength 14 MPa 2000 psi
Thermal expansion (20 ºC) 16*10-5 ºCˉ¹ 9*10-5 in/(in* ºF)
Thermal conductivity 0.33 W/(m*K) 2.29 BTU*in/(hr*ft²*ºF)
Melting point 120 ºC 248 ºF
Maximum work temperature 90 ºC 194 ºF
Electric resistivity 1013-1016 Ohm*m 1015-1018 Ohm*cm
Dielectric constant 2.3 - 2.3 -
  • Good impact strength;
  • Good chemical resistance;
  • Good flexibility;
  • Poor UV resistance;
  • Good hot formability.

Applications: packaging films (general purpose, shrink, lamination), containers, cable insulation, chemically resistant linings.

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thermoplastic_low_density_polyethylene_ldpe.txt · Last modified: 2023/12/14 by dmitri_kopeliovich
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