Pinpoint rusting

It resists pinpoint rust formation before enameling and filiform corrosion after enameling. 

Pinpoint rusting rust in pinholes or holidays of film Paint film too thin to cover the surface profile Clean surface and apply additional coats as necessary. 

Rusted area pinpoints of rest after 20 years exposure in an industrial/marine climate. Source Van Eijnsbergen (1982b and 1986b). 

Unleaded HAF gasoline Light film of white c.p. Light film of white c.p. No c.p. No c.p. Rust pinpoints on almost 20% of the surface... 

HAF + 10% ethanol No C.p. Superficial dark stains No c.p. Superficial corrosion Rust pinpoints plus superficial staining... 

HAF + Numerous Small corroded Dispersed Localized Rust pinpoints on... 

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