MakeItFrom.com
Menu (ESC)

PAI vs. PVDF

Both PAI and PVDF are thermoplastics. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is PAI and the bottom bar is PVDF.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 4.0 to 8.3
1.1
Elongation at Break, % 3.0 to 12
200
Flexural Modulus, GPa 4.0 to 6.8
1.5
Flexural Strength, MPa 160 to 320
75
Impact Strength: Notched Izod, J/m 45 to 140
180
Tensile Strength: Ultimate (UTS), MPa 100 to 180
49

Thermal Properties

Glass Transition Temperature, °C 280
-40
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 280
85
Maximum Temperature: Autoignition, °C 530
640
Maximum Temperature: Decomposition, °C 490
440
Maximum Temperature: Mechanical, °C 260
140
Specific Heat Capacity, J/kg-K 910 to 1000
1120
Thermal Conductivity, W/m-K 0.26 to 0.53
0.12
Thermal Expansion, µm/m-K 15 to 34
120

Otherwise Unclassified Properties

Density, g/cm3 1.4 to 1.6
1.8
Limiting Oxygen Index (LOI), % 45
49
Water Absorption After 24 Hours, % 0.3 to 0.4
0

Common Calculations

Stiffness to Weight: Axial, points 1.6 to 3.2
0.35
Stiffness to Weight: Bending, points 38 to 47
20
Strength to Weight: Axial, points 19 to 34
7.8
Strength to Weight: Bending, points 33 to 49
17
Thermal Diffusivity, mm2/s 0.16 to 0.41
0.061
Thermal Shock Resistance, points 48 to 110
27