Andreas Woschek

Andreas Woschek

Executive Vice President Chemicals


While applications for Ludox® are many and varied, it is used primarily as a corrosion-inhibiting agent.


Ludox® comprises a group of colloidal silicium dioxide products manufactured by Grace Davison. The colloidal silica particles are approximately spherical, non-porous and dispersed in water. Depending on the specific product, the aqueous dispersions contain amorphous particles measuring between approx. 5 and 80 nanometres on average. In addition, the particles contain a silica core, and the surface is covered by silanol groups. The silanol groups react with metal substrates and many binding agents. The resulting interactions produce good adhesive properties on various substrates, making the coating more resistant.

Examples of applications

Ludox® products are available in numerous variations that are suitable for use in a multitude of applications. These include surface treatments, anti-corrosion coatings and decorative paints in construction, in the paints and varnishes industry, and as an additive for building materials and adhesives.


  • In drums or ibc

Other packaging solutions possible by agreement.


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