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PFA vs. PLA

Both PFA and PLA are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is PFA and the bottom bar is PLA.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 300
6.0
Flexural Modulus, GPa 0.7
4.0
Tensile Strength: Ultimate (UTS), MPa 30
50

Thermal Properties

Heat Deflection Temperature At 455 kPa (66 psi), °C 75
65
Maximum Temperature: Mechanical, °C 260
50
Melting Onset (Solidus), °C 300
160
Specific Heat Capacity, J/kg-K 1000
1800
Thermal Conductivity, W/m-K 0.25
0.13

Otherwise Unclassified Properties

Density, g/cm3 2.2
1.3

Common Calculations

Strength to Weight: Axial, points 3.9
11
Strength to Weight: Bending, points 10
24
Thermal Diffusivity, mm2/s 0.12
0.058