Cosmoline PTC is a water-based coating that inhibits rust and corrosion on pipes and tubing and improves their ability to resist general or uniform corrosion and localized pitting corrosion. It is formulated with organic materials that resist bacterial action that causes pitting. It is also nitrite-free, and water-based for easy recycling and disposal.

Houghton International Inc., (610) 666-4000, www.houghtonintl.com