ChemistryMetals and Non-metals

Corrosion & Prevention

Change conditions and see how fast iron rusts.

Humidity60 %

Salt in air10 %

Protection

Relative rust rate

72%

Verdict

Rapid rusting

Rust rate72

Rusting — iron + O₂ + waterRelative rust rate: 72 %

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Galvanisation coats iron with zinc, which corrodes sacrificially instead of the iron.

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