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CAB vs. PCTFE

Both CAB and PCTFE 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 CAB and the bottom bar is PCTFE.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 50 to 55
150
Flexural Modulus, GPa 0.8 to 1.7
1.2
Flexural Strength, MPa 21 to 57
59
Tensile Strength: Ultimate (UTS), MPa 20 to 50
36

Thermal Properties

Glass Transition Temperature, °C 140
100
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 53 to 82
110
Heat Deflection Temperature At 455 kPa (66 psi), °C 68 to 92
130
Specific Heat Capacity, J/kg-K 1460
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
Limiting Oxygen Index (LOI), % 18
80
Water Absorption After 24 Hours, % 1.2 to 1.6
0.0094

Common Calculations

Strength to Weight: Axial, points 4.8 to 12
4.6
Strength to Weight: Bending, points 14 to 25
11
Thermal Diffusivity, mm2/s 0.14 to 0.15
0.11