Procedure for making mortar with microorpose plaster base. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in the object of the main patent No. 285,163, characterized in that a mortar essentially consisting of a chalk having a porosity greater than 50% in a scale of pores comprised between 1 μ and 10 c μ and a degree of purity greater than 95%, finely ground and bound by a small proportion of a hydraulic binder. (Machine-translation by Google Translate, not legally binding)