Encyclopedia

Rust


Rust: visible corrosion products consisting, in the case of black metals, mainly of hydrated iron oxides

(Source: "GOST 9.402-2004. Unified system for protection against corrosion and aging. Paint and varnish coatings. Preparation of metallic surfaces for painting")

(introduced into force by Order of Rosstandart dated 09.06.2005 No. 149-st)

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