Rust inhibitor
Chem-Crest 77 -rust preventative-provides a very thin invisible film for short-term protection and desorbes under vacuum which makes it an excellent rust inhibitor for parts intended to be vacuum coated. Not suitable for aluminum or zinc.
Chem-Crest 77C-Rust Preventative- provides a film for long-term protection. It may be injected into the rinses or can be used in a separate stage.
Safe on multi-metal components, e.g., aluminum, brass, and copper