Tag Archive | "rust"

Rust Free Cleaning of Component Leads & Boards

Q. Our current cleaning process has a tendency to leave spots on board and component leads. Analysis of the white spots shows oxides of tin and lead; rust-colored spots show iron oxide. FTIR analysis shows no organic content, so it’s not soap, flux, etc. I have recommended that the production people use appropriate Alconox Inc. cleaner or possibly DI water only for a very short cleaning cycle, and that they dry the boards promptly in flowing warm air. Rust is coming from tinned steel component leads. C

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From the Kitchen: Rust Removal from Stainless Steel?

From the Kitchen: Rust Removal from Stainless Steel?

Learn how to clean water scale and remove rust from stainless steel in a way that allows it “heal” itself through a chemical process known as re-passivation

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