Heat shock resistance

CORDIERITE	HIGH LOW	1000	Good thermal expansion Excellent thermal shock resistance
SILICON NITRIDE		800	High toughness Thermal shock resistant Tight tolerances
SILICON CARBIDE		350	Hardness Mechanical strength Variable electrical resistivity Distinct properties that can be tailored
ZIRCONIA		300	Toughness Mechanical Strength High Heat Resistance Corrosion Resistance
ALUMINA		200	General use Wear resistance Electrical insulator Dielectric strength Low dielectric loss