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PCTFE vs. PETG

Both PCTFE and PETG are thermoplastics. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is PCTFE and the bottom bar is PETG.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 38
55
Elastic (Young's, Tensile) Modulus, GPa 1.4
2.2
Flexural Modulus, GPa 1.2
2.1
Flexural Strength, MPa 59
77
Impact Strength: Notched Izod, J/m 160
77
Rockwell R Hardness 80
120
Tensile Strength: Ultimate (UTS), MPa 36
53

Thermal Properties

Glass Transition Temperature, °C 100
81
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 110
69
Heat Deflection Temperature At 455 kPa (66 psi), °C 130
73
Melting Onset (Solidus), °C 220
140
Specific Heat Capacity, J/kg-K 920
1200
Thermal Conductivity, W/m-K 0.21
0.29
Thermal Expansion, µm/m-K 130
68

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 21
16

Otherwise Unclassified Properties

Density, g/cm3 2.1
1.3
Water Absorption After 24 Hours, % 0.0094
0.2

Common Calculations

Stiffness to Weight: Axial, points 0.37
1.0
Stiffness to Weight: Bending, points 17
34
Strength to Weight: Axial, points 4.6
12
Strength to Weight: Bending, points 11
25
Thermal Diffusivity, mm2/s 0.11
0.19
Thermal Shock Resistance, points 14
25