PES vs. High-alumina Refractory

PES and high-alumina refractory belong to fundamentally different material chemistries. PES is a polymeric material, while high-alumina refractory is ceramic. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 7 material properties with values for both materials. Properties with values for just one material (25, in this case) are not shown.

For each property being compared, the top bar is PES and the bottom bar is high-alumina refractory.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		1.4
Density, g/cm³		2.1

Flexural Strength, MPa		130
Flexural Strength, MPa		28

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		1200

Specific Heat Capacity, J/kg-K		1100
Specific Heat Capacity, J/kg-K		800

Thermal Conductivity, W/m-K		0.18
Thermal Conductivity, W/m-K		1.5

Thermal Diffusivity, mm²/s		0.12
Thermal Diffusivity, mm²/s		0.87

Thermal Expansion, µm/m-K		53
Thermal Expansion, µm/m-K		4.3

PES vs. High-alumina Refractory

Material Properties

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