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PVC-P vs. 7108 Aluminum

PVC-P and 7108 aluminum belong to fundamentally different material chemistries. PVC-P is a polymeric material, while 7108 aluminum is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 16 material properties with values for both materials. Properties with values for just one material (25, 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 PVC-P and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
69
Elongation at Break, % 180
11
Poisson's Ratio 0.39
0.33
Tensile Strength: Ultimate (UTS), MPa 16
350

Thermal Properties

Maximum Temperature: Mechanical, °C 75
210
Melting Onset (Solidus), °C 190
530
Specific Heat Capacity, J/kg-K 1400
880
Thermal Conductivity, W/m-K 0.17
150
Thermal Expansion, µm/m-K 160
24

Otherwise Unclassified Properties

Density, g/cm3 1.4
2.9

Common Calculations

Stiffness to Weight: Axial, points 0.57
13
Stiffness to Weight: Bending, points 28
47
Strength to Weight: Axial, points 3.2
34
Strength to Weight: Bending, points 10
38
Thermal Diffusivity, mm2/s 0.090
59
Thermal Shock Resistance, points 4.9
16