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PP Copolymer vs. PTMT

Both PP copolymer and PTMT are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.9
1.3
Dielectric Constant (Relative Permittivity) At 1 Hz 2.2 to 2.3
3.2
Dielectric Strength (Breakdown Potential), kV/mm 21 to 22
17
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 50 to 100
50
Heat Deflection Temperature At 455 kPa (66 psi), °C 82 to 98
150
Impact Strength: Notched Izod, J/m 110 to 350
53
Maximum Temperature: Mechanical, °C 80
130
Strength to Weight: Axial, points 7.1 to 10
12
Strength to Weight: Bending, points 20 to 25
25
Tensile Strength: Ultimate (UTS), MPa 23 to 33
56