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PCTFE vs. PAS

Both PCTFE and PAS are thermoplastics. There are 18 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
2.7
Elongation at Break, % 150
40
Flexural Modulus, GPa 1.2
2.8
Flexural Strength, MPa 59
110
Impact Strength: Notched Izod, J/m 160
85
Tensile Strength: Ultimate (UTS), MPa 36
83

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 110
200
Thermal Expansion, µm/m-K 130
49

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 21
15
Electrical Resistivity Order of Magnitude, 10x Ω-m 16
15

Otherwise Unclassified Properties

Density, g/cm3 2.1
1.4
Limiting Oxygen Index (LOI), % 80
33
Water Absorption After 24 Hours, % 0.0094
0.4

Common Calculations

Stiffness to Weight: Axial, points 0.37
1.1
Stiffness to Weight: Bending, points 17
34
Strength to Weight: Axial, points 4.6
17
Strength to Weight: Bending, points 11
31
Thermal Shock Resistance, points 14
45