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Alumina vs. POM-H

Alumina and POM-H belong to fundamentally different material chemistries. Alumina is a ceramic material, while POM-H is polymeric. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 5 material properties with values for both materials. Properties with values for just one material (24, 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 alumina and the bottom bar is POM-H.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 3.4 to 4.1
1.4 to 1.6
Specific Heat Capacity, J/kg-K 870 to 940
1250 to 1460
Strength to Weight: Axial, points 14 to 23
11 to 13
Strength to Weight: Bending, points 19 to 28
22 to 26
Tensile Strength: Ultimate (UTS), MPa 210 to 290
60 to 67