Density ρ

1.9 g/cm³ at 20 °C


Elastic modulus E

65 GPa at 20 °C

Flexural strength σbend

200 MPa at 20 °C

Fracture toughness KIC

9 MPa·√m at 20 °C


Coefficient of thermal expansion α

2.5E-6 1/K at 20 °C

Max service temperature Tmax

1600 °C

in inert gas

Max service temperature, long Tmaxlong

600 °C

in air

Thermal conductivity λ

11 W/(m·K) at 20 °C

This material data has been provided by FCT Ingenieurkeramik.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.