process for the manufacture of tiles and similar elemnti of ivestimento with use of anhydrite as binder

摘要

P method of manufacture by molding of construction elements, such as tiles and paving plates with a binder or a mixture of a binder and aggregate characterized in that the binder is anhydrous calcium sulfate caso4, type ii or beta also called anhydrite insoluble of grain size comprising at least 15% by weight of particles of diameter less than 10 mu m and at least 20% by weight of particles of diameter greater than 20 mu m with a median diameter of between 5 and 30 mu (m, associated with one or more catalysts of anhydrite. / p & & p & materials obtained according to the processes of one of claims 1 to 13. / p