Articles

In the context of the most demanding castings, where extreme thermal stresses can compromise the stability of sand molds and cores, it is essential to rely on a treatment that ensures strength, precision, and durability.

HARDENEX 28, the thermosetting impregnating agent developed by Jodovit, was specifically designed to meet this requirement: strengthening the superficial structure of the sand and preventing thermoplastic deformations, while guaranteeing consistent performance even under the most severe operating conditions.

Maximum Thermal Stability

Thanks to its alcohol-based thermosetting formulation, HARDENEX 28 is activated by the heat of molten metal, creating a resistant network that reinforces the surface and enhances its mechanical and thermal strength.
This makes it particularly suitable for the treatment of furan cores and molds, where dimensional stability is crucial to maintaining tight tolerances and high surface quality of the casting.

Easy and Uniform Application

HARDENEX 28 is ready to use and can be applied by brushing or by dipping/flooding, ensuring versatility depending on the geometry of the core.
Its thixotropic consistency allows controlled and homogeneous spreading, even on complex surfaces, preventing runs and build-ups.
In case of thickening due to solvent evaporation, restoring the viscosity to the supply values (Ford Cup 14–16 s) with Vernixsol is sufficient to maintain the product’s optimal performance.

Versatility and Integration into the Production Cycle

HARDENEX 28 is designed to be used as a base coat for all Vernix paints, both alcohol- and water-based, for cast iron as well as steel, creating an integrated protection system that enhances the quality of the final coating.

With HARDENEX 28, Jodovit reaffirms its leadership in the research and development of advanced chemical solutions for foundries, providing operators with a product that improves yield and reduces casting defects.

An intelligent protection that combines technical performance, reliability, and ease of use.