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CAP vs. PCTFE

Both CAP and PCTFE are thermoplastics. There are 17 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 35 to 50
150
Flexural Modulus, GPa 1.2 to 1.9
1.2
Flexural Strength, MPa 29 to 56
59
Tensile Strength: Ultimate (UTS), MPa 28 to 45
36

Thermal Properties

Glass Transition Temperature, °C 190
100
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 65 to 80
110
Heat Deflection Temperature At 455 kPa (66 psi), °C 75 to 90
130
Specific Heat Capacity, J/kg-K 1480
920
Thermal Conductivity, W/m-K 0.25
0.21
Thermal Expansion, µm/m-K 14
130

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 1.2
2.1
Water Absorption After 24 Hours, % 1.4 to 1.7
0.0094

Common Calculations

Strength to Weight: Axial, points 6.5 to 10
4.6
Strength to Weight: Bending, points 17 to 23
11
Thermal Diffusivity, mm2/s 0.14
0.11