en:Car Terms:C:Corrosion Protection 2019.0.15.0 IE/EN

SEAT Glossary

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Corrosion protection

The most reliable method of protecting sheet steel against corrosion is galvanising, which is a surface coating of metallic zinc on steel. The zinc undergoes a reaction which creates a stable compound that is immune to surface corrosion. This compound forms a physical and electro-chemical barrier to rust.

Sheet steel can be galvanised on one or both sides. Galvanisation is applied in very thin layers of less than 20 micrometres and is used primarily to treat finer surfaces, such as the visible surfaces of your car's body. Body galvanisation helps maintain a vehicle’s safety, value and serviceability.

All our cars use two-sided galvanised sheet metal for all body panels. This process contributes to their 12-year corrosion perforation limited warranty.

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