Published: | Updated: November 5, 2018

Definition - What does Caustic mean?

Caustic refers to a highly basic or alkali solution. It can also refer to a type of corrosion known as caustic corrosion. It occurs in environments with high degrees of sodium hydroxide.

Corrosionpedia explains Caustic

Caustic corrosion occurs in an environmental combination of increased pH and water levels. This allows for the concentration of salts on metallic surfaces and metallic stressing, which can further lead to cracking or pitting corrosion if ineffectively managed.

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