Definition - What does Calcium Hydroxide mean?
Calcium hydroxide is a white powder or colorless crystal chemical compound that is formed by reacting lime and water. Calcium hydroxide can be used as a protective coating substance to prevent surface corrosion on some metals.
Corrosionpedia explains Calcium Hydroxide
Calcium hydroxide is a substance capable of providing corrosion protection to titanium and carbon steel metal surfaces, and related laboratory applications. It is hazardous when in contact with the skin, when inhaled or when swallowed. Adequate precautions should be taken when handling it.