
plating, anodizing, & finishing Q&As since 1989
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How to determine whether component is zinc phosphated or manganese phosphated

Q. I have two components which are phosphate coated, but I want to know which one is zinc or manganese phosphated? Please suggest if there any lab testing process (apart from visual) to confirm it?
The component is phosphate coated in my shop but I want to know through any lab testing.
regards
- Pune India
November 5, 2023
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