Process for the acceleration of water absorption of bentonite, especially as a supplement for molding sand material.

摘要

THIS IS A process for accelerating the water absorption of bentonite, ESPECIALLY AS SUPPLEMENT MATERIAL IN SAND MOLDING Funderia technique. AFTER THE MEETING IS AN BENTONITA layer material, NO SPONGE IN WATER WITH MILD ESCINDABILIDAD, ESTAMPADA, same with graphite.