Sodium Sulfonates
Natural EZ-Mulz™ sodium sulfonates with wide molecular weight range for optimal corrosion inhibition and emulsification.
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Performance Additives for Superior Surface Protection
Sulfonates • Rust Preventives • Emulsifier Packages • Metalworking Additives
Manufactured in the USA. Distributed globally.
TRU Full Circle Additives (TFCA) traces its roots to 1982 when the Flint, Michigan facility was established as a specialty chemical manufacturer. Today we manufacture and globally market a comprehensive range of sulfonates, rust preventives, emulsifier packages, and metalworking fluid additives.
Our central US location, large-capacity reactors, and experienced chemistry team make us the preferred partner for formulators worldwide — formerly known as Lockhart Chemical Company, now operating under the TFCA name.
EZ-Mulz™ • Counter Rust™ • Lubristay™ • SulfoGel™ — all manufactured at our Flint, Michigan facility
Natural EZ-Mulz™ sodium sulfonates with wide molecular weight range for optimal corrosion inhibition and emulsification.
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Cost-effective emulsifier packages for naphthenic and paraffinic base oils, soluble and semi-synthetic metalworking fluids.
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Counter Rust™ packages based on oxidates, oxidate esters, waxes and sulfonates — water displacing and water emulsifiable.
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Amides, co-emulsifiers, lubricity and extreme pressure additives for metalworking fluids and greases.
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Diversified portfolio of chlorinated paraffins for a wide range of industrial applications within the lubricant industry.
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SulfoGel™ — building blocks for long-term permanent coatings, calcium greases, and corrosion-resistant formulations.
View ProductsFour decades of sulfonate reaction chemistry. Our technical team brings formulation knowledge few manufacturers can match.
All products manufactured at our Flint, Michigan facility — giving you supply chain security and consistent quality.
Reactors up to 9,500 gallons plus multiple blend tanks enable us to scale production to your demand.
Authorized distributors on multiple continents ensure you receive TFCA products wherever you formulate.
On-site analytical laboratory provides quality assurance and technical support for every product we ship.
Custom reactions, large-scale blending, and bulk storage — we partner with you from development to delivery.
Our Flint, Michigan campus provides the infrastructure to handle large-volume production runs with reliability. Key capabilities include:
Our full product catalog with technical data sheets — download TDS documents for every product we manufacture.
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From our 1982 founding to today — a legacy of sulfonate chemistry and surface protection solutions for global formulators.
Our Mission
TFCA partners with a select group of authorized distributors who help bring our products to formulators worldwide.
Find a DistributorOur technical team welcomes inquiries from formulators, distributors, and industry partners worldwide. Request a sample or start a conversation today.