A corrosion inhibitor is a chemical compound that, when added to a fluid or gas, decreases the corrosion rate of a metal or an alloy.The effectiveness, or corrosion inhibition efficiency, of a corrosion inhibitor is a function of many factors like: fluid composition, quantity of water, flow regime. If the correct inhibitor and quantity is selected then is possible to achieve high, 90-99%, efficiency.

A paint formulated with a corrosive-resistant pigment (such as lead chromate, zinc chromate, or red lead) and a chemical- and moisture-resistant binder; used to protect iron and steel surfaces.

Rustproofing is the process whereby the rate at which objects made of iron and/or steel begin to rust is reduced. (In the long term it cannot be stopped unless the rustproofing is periodically renewed.) The term is particularly used for the automobile industry.

Degreasing chemicals

Some metals are more intrinsically resistant to corrosion than others, either due to the fundamental nature of the electrochemical processes involved or due to the details of how reaction products form