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30 CF PET vs. PETG

Both 30 CF PET and PETG are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown.

For each property being compared, the top bar is 30 CF PET and the bottom bar is PETG.

Metric UnitsUS Customary Units

Mechanical Properties

Flexural Modulus, GPa 14
2.1
Impact Strength: Notched Izod, J/m 60
77
Tensile Strength: Ultimate (UTS), MPa 140
53

Thermal Properties

Glass Transition Temperature, °C 70
81
Melting Onset (Solidus), °C 260
140
Specific Heat Capacity, J/kg-K 1000
1200

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.7
2.6

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.3

Common Calculations

Stiffness to Weight: Axial, points 1.2 to 4.4
1.0
Stiffness to Weight: Bending, points 32 to 54
34
Strength to Weight: Axial, points 27
12
Strength to Weight: Bending, points 41
25