Optimal performance from tap to cast.

From tap to cast, we have the products and expertise to be your one source for all metallurgical needs.

Opta Group offers a diverse product portfolio to serve a multitude of iron and steelmaking needs. We have combined our knowledge with the teams at Affival and ESM to become the world leader in iron desulfurization and cored-wire products. We also offer high-quality slag conditioners, tundish fluxes, ladle sands, and insulators.

Let our technical team custom-design a slag conditioner or tundish flux specifically for your application.
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Use our newly developed calcium treatment model to fully optimize your calcium-wire treatment and improve recovery.
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The globally renowned leader in cored-wire manufacturing and application.
Reliably delivering the most crucial products and processes for liquid metal treatment.
Quality solutions and technology for treating hot metals in steelmaking.

Quality Products. Exceptional Service.

Innovation and value are the cornerstones of Opta’s product approach. As an industry leader in research and development, Opta anticipates evolving market needs. We source, process, and distribute a wide range of products for a variety of industries and applications.

When it comes to service, we’re much more than just a supplier. Opta is a partner working alongside to help your business achieve optimal results. We are fully committed to exceeding your expectations with accurate, timely, and helpful service.


Opta is the world’s leading supplier of magnesium reagents, calcium-carbide, and lime-based carrier reagents for use in the iron desulfurization process.


Opta will custom-design slag conditioners and tundish fluxes specifically for your solution. We also supply sands, insulators, and other fluxes.

Other Applications

Affival was the first to produce cored wire, and we remain the world leader in cutting-edge cored-wire technology.

Cored wire

Opta has expertise in the design, fabrication, and installation of multiple systems and equipment options for the steel industry, including cored-wire injection systems, desulfurization stations, pneumatic-injection equipment, and bulk-handling systems.

Steel Plant

We offer cored wire designed explicitly for iron, steel, and copper foundries.

We also process and distribute industrial mineral products, including bentonite clays used for binders, resin-coated sands, riser sleeves, and feeding aids.

Metal melting

Our abrasive products segment manufactures, processes, and distributes silica-free abrasives for blast cleaning, construction, water filtration, and water-jet cutting.

Water Filtration Plant