Chemical resistance

Nitric acid (60%) of 90 ° C
SILICON CARBIDE	LOW HIGH	≈0	Hardness Mechanical strength Variable electrical resistivity Distinct properties that can be tailored
ZIRCONIA		≈0	Toughness Mechanical Strength High Heat Resistance Corrosion Resistance
ALUMINA		0.1	General use Wear resistance Electrical insulator Dielectric strength Low dielectric loss
SILICON NITRIDE		1.11	High toughness Thermal shock resistant Tight tolerances
Sulfuric acid（95%）95℃
SILICON CARBIDE	LOW HIGH	≈0	Hardness Mechanical strength Variable electrical resistivity Distinct properties that can be tailored
SILICON NITRIDE		0.01	High toughness Thermal shock resistant Tight tolerances
ZIRCONIA		0.04	Toughness Mechanical Strength High Heat Resistance Corrosion Resistance
ALUMINA		0.33	General use Wear resistance Electrical insulator Dielectric strength Low dielectric loss
Sodium Hydroxide（30%）80℃
SILICON CARBIDE	LOW HIGH	≈0	Hardness Mechanical strength Variable electrical resistivity Distinct properties that can be tailored
ZIRCONIA		0.08	Toughness Mechanical Strength High Heat Resistance Corrosion Resistance
SILICON NITRIDE		0.20	High toughness Thermal shock resistant Tight tolerances
ALUMINA		0.26	General use Wear resistance Electrical insulator Dielectric strength Low dielectric loss