New Corrosion Inhibitor Resists Corrosion in Pipes and Tubing

摘要

Houghton International introduces Cosmoline PTC (for pipe, tubing and concrete), a new water-based coating that inhibits rust and corrosion on pipes and tubing. When applied during the manufacturing process. Cosmoline PTC improves the ability of pipes and tubing to resist general or uniform corrosion (rust) and localized pitting corrosion. Customers utilizing Cosmoline PTC technology in the field report neither general nor pitting type corrosion after two years. General corrosion is caused by water and gases in the air, while pitting corrosion can occur from acids produced by bacterial action on organic materials on the surface of the pipe. Cosmoline PTC is formulated with organic materials that show resistance to this type of bacterial action. Pitting corrosion from bacterial activity is also referred to as microbially induced corrosion (MIC), which is a growing concern for many product design engineers. MIC takes a heavy toll on a number of industries, with some estimates placing the annual cost of repair and replacement for MIC damage as high as 300 billion dollars.