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PET vs. SAN

Both PET and SAN are thermoplastics. There are 8 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.6
1.1 to 1.4
Elongation at Break, % 2.5 to 70
2.5
Flexural Modulus, GPa 8.3 to 14
3.8 to 13
Impact Strength: Notched Izod, J/m 43 to 85
23 to 60
Specific Heat Capacity, J/kg-K 1000 to 1150
1070 to 1380
Strength to Weight: Axial, points 12 to 27
19 to 25
Strength to Weight: Bending, points 25 to 41
36 to 40
Tensile Strength: Ultimate (UTS), MPa 60 to 140
74 to 130