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PVC-P vs. PTFE

Both PVC-P and PTFE are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 180
75 to 300
Tensile Strength: Ultimate (UTS), MPa 16
13 to 25

Thermal Properties

Maximum Temperature: Mechanical, °C 75
260 to 270
Melting Onset (Solidus), °C 190
330 to 340
Thermal Conductivity, W/m-K 0.17
0.24 to 0.65
Thermal Expansion, µm/m-K 160
110 to 120

Electrical Properties

Electrical Resistivity Order of Magnitude, 10x Ω-m 11
2.0 to 18

Otherwise Unclassified Properties

Density, g/cm3 1.4
2.1 to 2.3
Limiting Oxygen Index (LOI), % 44
90
Water Absorption After 24 Hours, % 0.45
0.0093 to 0.050

Common Calculations

Strength to Weight: Axial, points 3.2
1.7 to 3.2
Strength to Weight: Bending, points 10
5.7 to 8.7