MakeItFrom.com
Menu (ESC)

PBI vs. PTMT

PBI belongs to the thermoset plastics classification, while PTMT belongs to the thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.3
Dielectric Constant (Relative Permittivity) At 1 Hz 3.4
3.2
Dielectric Strength (Breakdown Potential), kV/mm 23
17
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 430
50
Impact Strength: Notched Izod, J/m 27
53
Maximum Temperature: Mechanical, °C 340
130
Strength to Weight: Axial, points 34
12
Strength to Weight: Bending, points 50
25
Tensile Strength: Ultimate (UTS), MPa 160
56