USE OF A PHOSPHATE AND/OR PHOSPHONATE COMPOUND IN A CLAY COMPOSITION TO PREVENT OR LIMIT THE FORMATION OF SULPHATE-BASED EFFLORESCENCES

摘要

The invention relates to the use of phosphate and/or phosphonate compounds in a clay composition to prevent or limit the formation of sulphate-based efflorescences, and also to the clay compositions and terracotta articles resulting therefrom.