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COC vs. PMP

Both COC and PMP are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is COC and the bottom bar is PMP.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 3.0
1.1
Elongation at Break, % 2.5
30
Tensile Strength: Ultimate (UTS), MPa 60
24

Thermal Properties

Thermal Expansion, µm/m-K 60
120

Electrical Properties

Electrical Resistivity Order of Magnitude, 10x Ω-m 14
14

Otherwise Unclassified Properties

Density, g/cm3 1.0
0.83
Refractive Index 1.5
1.5

Common Calculations

Stiffness to Weight: Axial, points 1.7
0.74
Stiffness to Weight: Bending, points 48
41
Strength to Weight: Axial, points 17
8.0
Strength to Weight: Bending, points 34
22
Thermal Shock Resistance, points 24
13