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PTFE vs. ASA

Both PTFE and ASA are thermoplastics. There are 8 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is PTFE and the bottom bar is ASA.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.1 to 2.3
1.1
Electrical Resistivity Order of Magnitude, 10x Ω-m 2.0 to 18
13
Elongation at Break, % 75 to 300
6.0
Strength to Weight: Axial, points 1.7 to 3.2
14
Strength to Weight: Bending, points 5.7 to 8.7
30
Tensile Strength: Ultimate (UTS), MPa 13 to 25
55
Thermal Conductivity, W/m-K 0.24 to 0.65
0.18
Thermal Expansion, µm/m-K 110 to 120
95