Binders for Steel Foundries

Organic binders are almost exclusively synthetic resins, which are cured by the addition of a separate hardener or catalyst. Inorganic binders are based on sodium silicates that have been optimised to accommodate the varying casting processes, thus guaranteeing best performance.

Gas Setting Resin Systems

CO₂ set resin systems

ECOLOTEC water based resole-CO₂ process

The ECOLOTEC process offers a unique combination of environmental, metallurgical and productivity advantages.  The resin is mixed with sand and then hardened by gassing with carbon dioxide (CO₂) thereby avoiding the problems with smell and emissions.

Sodium Silicates

CO₂ and ester setting sodium silicate binder systems.

CARSIL is a range of sodium silicate binders suitable for both moulds and cores.
VELOSET is a range of esters that enhance significantly the strength and reclamation rates of CARSIL bonded sands.
SOLOSIL is a range of low viscosity, high performance, sodium silicate binders with advanced breakdown agents. They are used as a one-shot addition and hardened by CO₂.

Additives, Glues, Sealants and Release Agents

In addition to binders and coatings, Foseco offers a range of ancillary products used for the production of moulds and cores. These products include release and parting agents, glues and sealants, and sand additives.