Red Corrosion

Manually abrade the red rust down to bright metal, being careful not to overly remove adjacent metallic coatings. Prime with a metal-rich primer and overcoat with an anti-corrosive primer and compatible topcoat.

The use of rust neutralisers is an alternative but must be used with caution. Many are aggressive to remaining metallic coatings, some retain corrosion salts which may cause undercut corrosion in the future, and some, if not completely removed after application, will accelerate corrosion. If considering this path, use it strictly according to the manufacturer’s recommendations and requirements.

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2 - Editing and rearrangement
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This clause was revised during the overall revision of Maintenance.

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