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Home > Engineering Data > Corrosion Resistance Properties

Corrosion Resistance Properties

Corrosive Environments Silicon Nitride
Silicon Carbide
Hydrochloric acid Good Good Excellent
Nitric acid Good Good Excellent
Sulfuric acid Good Good Excellent
Phosphoric acid Good Good Excellent
Hydrofluoric acid Average Bad Excellent
Sodium hydroxide Average Good Average
Potassium hydroxide Average Average Average
Sodium carbonate Average Average Average
Sodium nitrate Average Average Average
Water and salt water Excellent Excellent Excellent

1) Corrosion behavior of chemicals depends on their temperature, concentration, and other factors.
2) Extremely high corrosion may occur when some chemicals are mixed.
3) Accordingly, this table is only for reference. Best to test samples before applying the material to an corrosive environment.



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