MakeItFrom.com
Menu (ESC)

PET vs. PC

Both PET and PC are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is PET and the bottom bar is PC.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.6
1.2 to 1.4
Elongation at Break, % 2.5 to 70
3.5 to 110
Flexural Modulus, GPa 8.3 to 14
2.3 to 10
Glass Transition Temperature, °C 70
150
Impact Strength: Notched Izod, J/m 43 to 85
140 to 440
Specific Heat Capacity, J/kg-K 1000 to 1150
1000 to 1200
Strength to Weight: Axial, points 12 to 27
15 to 30
Strength to Weight: Bending, points 25 to 41
30 to 45
Tensile Strength: Ultimate (UTS), MPa 60 to 140
66 to 160
Water Absorption At Saturation, % 0.24 to 0.5
0.16 to 0.19