Engineering Porcelain vs. High-alumina Refractory

Both engineering porcelain and high-alumina refractory are oxide-based engineering ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

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

Engineering Porcelain High-Alumina Refractory (IEC 60672 Type C-510)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		2.3 to 3.0
Density, g/cm³		2.1

Flexural Strength, MPa		43 to 160
Flexural Strength, MPa		28

Maximum Temperature: Mechanical, °C		1170
Maximum Temperature: Mechanical, °C		1200

Maximum Thermal Shock, °C		170 to 290
Maximum Thermal Shock, °C		210

Specific Heat Capacity, J/kg-K		600 to 1000
Specific Heat Capacity, J/kg-K		800

Thermal Conductivity, W/m-K		1.8 to 6.5
Thermal Conductivity, W/m-K		1.5

Thermal Diffusivity, mm²/s		0.73 to 3.9
Thermal Diffusivity, mm²/s		0.87

Thermal Expansion, µm/m-K		2.0 to 6.6
Thermal Expansion, µm/m-K		4.3

Engineering Porcelain vs. High-alumina Refractory

Material Properties

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