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ECTFE vs. PVC-P

Both ECTFE and PVC-P are thermoplastics. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ECTFE and the bottom bar is PVC-P.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.6
1.4
Elongation at Break, % 230
180
Tensile Strength: Ultimate (UTS), MPa 49
16

Thermal Properties

Maximum Temperature: Autoignition, °C 620
320
Maximum Temperature: Decomposition, °C 450
250
Maximum Temperature: Mechanical, °C 150
75
Melting Onset (Solidus), °C 240
190
Specific Heat Capacity, J/kg-K 1170
1400
Thermal Conductivity, W/m-K 0.15
0.17
Thermal Expansion, µm/m-K 100
160

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.3
5.8
Dielectric Strength (Breakdown Potential), kV/mm 18
20
Electrical Resistivity Order of Magnitude, 10x Ω-m 14
11

Otherwise Unclassified Properties

Density, g/cm3 1.7
1.4
Limiting Oxygen Index (LOI), % 60
44
Water Absorption After 24 Hours, % 0.094
0.45

Common Calculations

Stiffness to Weight: Axial, points 0.52
0.57
Stiffness to Weight: Bending, points 23
28
Strength to Weight: Axial, points 8.1
3.2
Strength to Weight: Bending, points 18
10
Thermal Diffusivity, mm2/s 0.078
0.090
Thermal Shock Resistance, points 22
4.9