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PTMT vs. PES

Both PTMT and PES are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.4
Dielectric Constant (Relative Permittivity) At 1 Hz 3.2
3.5
Dielectric Strength (Breakdown Potential), kV/mm 17
16
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 50
200
Heat Deflection Temperature At 455 kPa (66 psi), °C 150
210
Impact Strength: Notched Izod, J/m 53
91
Maximum Temperature: Mechanical, °C 130
200
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 25
32
Tensile Strength: Ultimate (UTS), MPa 56
87