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Zamak 2 vs. PVDF

Zamak 2 and PVDF belong to fundamentally different material chemistries. Zamak 2 is a metal, while PVDF is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 15 material properties with values for both materials. Properties with values for just one material (36, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is Zamak 2 and the bottom bar is PVDF.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
1.1
Elongation at Break, % 6.0
200
Tensile Strength: Ultimate (UTS), MPa 360
49

Thermal Properties

Maximum Temperature: Mechanical, °C 95
140
Melting Onset (Solidus), °C 380
170
Specific Heat Capacity, J/kg-K 410
1120
Thermal Conductivity, W/m-K 110
0.12
Thermal Expansion, µm/m-K 28
120

Otherwise Unclassified Properties

Density, g/cm3 6.5
1.8

Common Calculations

Stiffness to Weight: Axial, points 7.5
0.35
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 15
7.8
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 41
0.061
Thermal Shock Resistance, points 11
27