PROCESS FOR PRODUCING GLASSES CONTAINING BORIC ANHYDRIDE B2O3

摘要

at. Process for producing glasses containing boric anhydride B2 O3 b. This process is characterized in that a composition is prepared comprising sodium and calcium borate as the main source of B 2 O3, by forming a number of individual agglomerates with water, said agglomerates are dried under conditions of time and temperature adapted to eliminate practically all the water and to transform them into dry agglomerates flowing freely, then heating said dry agglomerates in order to produce hot and dry agglomerates flowing freely c. The invention applies to the manufacture of glass.