Abstract
Abstract Metal surface cleaning is the beginning of any metal treatment. The cleaners for metal surfaces may be classified as solvent‐based or aqueous. Usage of solvent‐based cleaners is declining. Whereas aqueous cleaners may be acidic, neutral, or alkaline, alkaline cleaners are the most widely used. The types of components typically found in an alkaline cleaner for specific types of metals or alloys, together with cleaning temperatures and other conditions of operation, are discussed. The most common mechanisms of soil removal are presented, as well as descriptions of the various cleaner application methods such as spray, immersion, electro‐ and barrel cleaning.
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