Sea-Land Chemical is distributing Songwon Industrial Co.’s liquid butylated/octylated diphenylamine antioxidant, Songnox L750. The additive mitigates oxidation by reacting with and stabilizing radicals produced in automotive and industrial lubricants and greases, the company says. It also reduces viscosity to prevent deposit formation and foam generation, ensure performance at low temperatures, protect oils at high temperatures, curb corrosion and eliminate contaminants. The antioxidant extends oil service life and drain intervals, Sea-Land notes. Web: www.sealandchem.com