Powder coatings and powder paints consisting of resins and pigments for application to wood, glass, metal and plastic

REFRACTORY COATING COMPOSITIONS FOR INDUSTRIAL USE AS WASHES FOR FOUNDRY MOLDS AND CORES TO IMPROVE THE SURFACE FINISH OF FOUNDRY MOLDS AND CORES TO PREVENT CASTING DEFECTS SUCH AS METAL PENETRATION, EROSION, GAS AND VEINING DURING THE CASTING PROCESS