CHEMICAL COMPOUNDS FOR USE IN THE MANUFACTURE OF COATINGS, NAMELY, HEAT CONDUCTING GRAVITY DIE COATING, INSULATING GRAVITY DIE COATING, SEMI-INSULATING GRAVITY DIE COATING, ALL USED ON METALS TO IMPROVE THEIR SEDIMENTATION CHARACTERISTICS, FOR USE IN THE FOUNDRY INDUSTRY OF NON-FERROUS METALS AND BLACK INGOT MOLD COATINGS