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PMQ Rubber vs. PES

PMQ rubber belongs to the thermoset elastomers (rubber) classification, while PES belongs to the thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is PMQ rubber and the bottom bar is PES.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 480
65
Tensile Strength: Ultimate (UTS), MPa 8.0
87

Thermal Properties

Glass Transition Temperature, °C -130
220
Maximum Temperature: Autoignition, °C 410
500
Maximum Temperature: Decomposition, °C 460
540
Maximum Temperature: Mechanical, °C 220
200
Specific Heat Capacity, J/kg-K 1590
1100
Thermal Conductivity, W/m-K 0.23
0.18

Otherwise Unclassified Properties

Density, g/cm3 1.2
1.4
Limiting Oxygen Index (LOI), % 32
36

Common Calculations

Strength to Weight: Axial, points 1.9
18
Strength to Weight: Bending, points 7.4
32
Thermal Diffusivity, mm2/s 0.12
0.12