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PPE vs. PVDF

Both PPE and PVDF 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 PPE and the bottom bar is PVDF.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.3
1.1
Elongation at Break, % 30
200
Flexural Strength, MPa 75
75
Tensile Strength: Ultimate (UTS), MPa 55
49

Thermal Properties

Glass Transition Temperature, °C 85
-40
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 120
85
Maximum Temperature: Autoignition, °C 430
640
Maximum Temperature: Mechanical, °C 90
140
Melting Onset (Solidus), °C 260
170
Specific Heat Capacity, J/kg-K 1200
1120
Thermal Conductivity, W/m-K 0.22
0.12
Thermal Expansion, µm/m-K 90
120

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 19
10
Electrical Resistivity Order of Magnitude, 10x Ω-m 13
12

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.8
Water Absorption After 24 Hours, % 0.23
0

Common Calculations

Stiffness to Weight: Axial, points 1.2
0.35
Stiffness to Weight: Bending, points 42
20
Strength to Weight: Axial, points 14
7.8
Strength to Weight: Bending, points 30
17
Thermal Diffusivity, mm2/s 0.17
0.061
Thermal Shock Resistance, points 19
27