MakeItFrom.com
Menu (ESC)

PP Homopolymer vs. PBT

Both PP homopolymer and PBT are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is PP homopolymer and the bottom bar is PBT.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.91 to 1.2
1.3 to 1.5
Elongation at Break, % 3.0 to 80
2.5 to 43
Flexural Modulus, GPa 1.5 to 7.0
2.6 to 9.1
Flexural Strength, MPa 41 to 100
79 to 210
Glass Transition Temperature, °C 170
40
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 73 to 160
4.0
Specific Heat Capacity, J/kg-K 1230 to 1900
1040 to 1200
Strength to Weight: Axial, points 11 to 21
12 to 25
Strength to Weight: Bending, points 27 to 37
25 to 38
Tensile Strength: Ultimate (UTS), MPa 36 to 93
58 to 140