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PET vs. LLDPE

Both PET and LLDPE are thermoplastics. There are 6 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is PET and the bottom bar is LLDPE.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.6
0.94
Dielectric Constant (Relative Permittivity) At 1 Hz 3.7
2.3
Elastic (Young's, Tensile) Modulus, GPa 3.5 to 11
0.5
Melting Onset (Solidus), °C 260
130
Stiffness to Weight: Axial, points 1.2 to 4.4
0.3
Stiffness to Weight: Bending, points 32 to 54
28