Organic substances such as oil, grease or fingerprints will become localized corrosion corrosion source. These substances can act as a barrier, they can affect the chemical and electrochemical cleaning effect and must be cleaned off. ASTM A380 has a simple cut-off (WATERBREAK) test for detection of organic contaminants. Test, from the vertical surface of the top down in the dirty water along separated organic material around. Flux and/or acidic cleaning agents to remove traces of oil and grease.
Oils and fats
- Mar 08, 2017-