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LDPE vs. PA 6/12

Both LDPE and PA 6/12 are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is LDPE and the bottom bar is PA 6/12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 0.3
1.7 to 2.2
Tensile Strength: Ultimate (UTS), MPa 7.0
40 to 58

Thermal Properties

Maximum Temperature: Decomposition, °C 400
450
Melting Onset (Solidus), °C 110
210
Specific Heat Capacity, J/kg-K 2300
1590
Thermal Conductivity, W/m-K 0.36
0.22

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.3
3.9 to 12

Otherwise Unclassified Properties

Density, g/cm3 0.92
1.1

Common Calculations

Stiffness to Weight: Axial, points 0.18
0.89 to 1.2
Stiffness to Weight: Bending, points 24
38 to 41
Strength to Weight: Axial, points 2.1
10 to 15
Strength to Weight: Bending, points 8.8
25 to 31
Thermal Diffusivity, mm2/s 0.17
0.13