Performance Additives

Lockhart manufactures an extensive line of calcium, barium and sodium sulfonates and rust preventatives, metal processing aides and gelled calcium sulfonates under the Counter Rust, EZ-Mulz, Coolsurf, Lubristay and Sulfogel brand names.


Contract Manufacturing & Logistics

Located conveniently in Michigan, Lockhart’s ISO-9001: 2015 facilities have the raw material and finished goods storage and a wide range of reaction and blending capabilities.

About Lockhart

Welcome to Lockhart Chemical Company. Since 1982 Lockhart has manufactured additives which provide superior surface protection solutions for formulators of functional fluids and coatings. Lockhart technologies include wax and petrolatum oxidates and their esters and soaps, sodium, calcium and barium sulfonates, rust preventives and corrosion inhibitors, gelled calcium sulfonates, and metalworking processing additives. We offer technical service and comparative testing for rust prevention and emulsification. In addition to our own product line, Lockhart Chemical Company provides manufacturing under tolling agreements with several companies marketing to underbody coatings, metalworking additives, paint and coatings, hydraulic fluids and lubricants. Please take a moment to register for access to our technical data sheets.