Since it became a Lockhart Chemical Company, Additives International has expanded its offerings of rust preventives and metal processing additives. In addition to its sulfonate and oxidate technologies, Additives has developed a new series of polymeric esters as well as other extreme pressure and lubricity additives.

Our in-house laboratory capabilities include falex, tap-torque, Salt Spray and Humidity Cabinet as well as ASTM standard demulsification in addition to FTIR, Lovibond and other analytical and QC equipment expected in a full service additives laboratory. Additives International continues to service the global market and, as such, it is committed to ISO, GHS, REACh and all regulatory compliance in the markets and industries we serve.





It’s now a Lockhart Chemical Company

We manufacture on 13 acres in Flint, MI

We manufacture products like these:
• Counter Rust™ Rust Preventive Additives
• Counter Rust Water-Based Corrosion Inhibitors
• Counter Rust Pure Oxidates
• Coolsurf® Alkanolamides (2:1 & 1:1)
• EZ Mulz™ Soluble Bases/Emulsifiers
• EZ Mulz Natural & Synthetic Ba, Ca, Na Sulfonates
• Lubristay™ Lubricity and EP Additives
• Cuprisan™ and Oxcedot® Odor Control Agents – Copper Citrate

COUNTER RUST™ RUST PREVENTIVES


COUNTER RUST™ WATER-BASED CORROSION INHIBITORS


COOLSURF® ALKANOLAMIDES


COUNTER RUST™ BASIC OXIDATES AND ESTERS

We can customize TAN to your specifications



EZ MULZ™ SOLUBLE BASES


LUBRISTAY™ EP AND LUBRICITY ADDITIVES


The EZ MULZ™ Natural Sodium Sulfonate Process

We bring in Natural Sulfonate in Rail Cars.


Store by Molecular Weight – Low, Medium, Hi and Very High

Sulfonate adjusted for consistent quality i.e. Actives, MW, Viscosity to customer needs. Ship bulk or drums.

Our EZ Mulz NATURAL Sodium Sulfonates and soluble bases are consistent batch to batch.

EZ MULZ™ NATURAL SODIUM SULFONATES


COUNTER RUST™ CALCIUM AND BARIUM SULFONATES


ODOR CONTROL AGENTS BASED ON WASTE TREATABLE COPPER