COMPOSITION BASED ON SILICATE, HARDENER AND SUGAR AND ITS APPLICATION TO COLD HARDENING OF SANDS

摘要

P A. COMPOSITION BASED ON SILICATE, HARDENER AND SUGAR AND ITS APPLICATION TO COLD HARDENING OF SANDS. /P P B. THIS COMPOSITION IS CHARACTERIZED IN THAT SILICATE IS AN ALKALI METAL SILICATE WHOSE PONDERAL SIOMEO REPORT IS INCLUDED RESPECTIVELY, WHEN ME REPRESENTS SODIUM, POTASSIUM AND LITHIUM, BETWEEN 1.9 AND 2.4; 1.2 AND 1.6; 3,9 AND 5 AND IN THAT THE SUGAR IS A SACCHAROSE HAVING A PURITY HIGHER THAN 99.9. /P P C. USE OF REGENERATED SANDS FOR THE MANUFACTURE OF MOLDS AND CORES. /P