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Engineering Porcelain vs. PP Homopolymer

Engineering porcelain and PP homopolymer belong to fundamentally different material chemistries. Engineering porcelain is a ceramic material, while PP homopolymer is polymeric. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (23, 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 engineering porcelain and the bottom bar is PP homopolymer.

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 590
45 to 64
Density, g/cm3 2.3 to 3.0
0.91 to 1.2
Flexural Strength, MPa 43 to 160
41 to 100
Maximum Temperature: Mechanical, °C 1170
120
Rockwell R Hardness 60
90 to 110
Specific Heat Capacity, J/kg-K 600 to 1000
1230 to 1900
Strength to Weight: Axial, points 12 to 16
11 to 21
Strength to Weight: Bending, points 19 to 25
27 to 37
Tensile Strength: Ultimate (UTS), MPa 130
36 to 93
Thermal Expansion, µm/m-K 2.0 to 6.6
30 to 90