Korantin SH Oleoyl sarcosine acid BASF Corrosion inhibitor Marine /Anti-Corrosive / Protective Korantin® types. Corrosion inhibitors. The Korantin range consists of products with different chemical natures. Depending on type, they provide protection for a wide variety of metal surfaces and are therefore used in cleaners as well as in different sectors of the chemical-technical industries. Moreover, several Korantin grades exhibit further useful properties, such as an excellent emulsifying and solubilizing action. Product name KORANTIN ® SH Chemical nature Oleoyl sarcosine acid Physical form Liquid Corrosion inhibitor. Provides protection for a wide variety of metal surfaces. Exhibits further useful properties, such as an excellent emulsifying and solubilizing action.