Definition - What does Corrosive mean?

A corrosive is a substance which is capable of causing corrosion. Corrosives can affect metals, plastics, ceramics and numerous other materials.

Corrosive materials include:

  • Acids
  • Bases
  • Dehydrating agents
  • Strong oxidizers
  • Organic halides
  • Alkylating agents

Corrosionpedia explains Corrosive

Materials that come into contact with a corrosive medium can be damaged or destroyed. The rate of corrosion of these materials is proportional to the corrosive nature of the materials and the temperature.

Examples of corrosive acids and bases include:

  • Sulfuric acid
  • Sodium hydroxide
  • Amines
  • Bromine
  • Hydrogen peroxide

Bases like sodium hydroxide and potassium hydroxide can produce hydrogen gas when they attack metals like:

  • Aluminum
  • Zinc
  • Lead
  • Galvanized metal

Few gases are corrosive in nature.

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