1 POWDERS, BOTH WATER-SOLUBLE AND SOLUBLE WHEN MIXED WITH OTHER CONSTITUENTS OF THE PRODUCT TO BE FIREPROOFED, USED TO IMPREGNATE PLYWOOD (BY SOAKING THE LAYERS PRIOR TO BONDING), WALLPAPER, PACKAGING, ORDINARY PAPER, CRAFT PAPER, CLOTH, AND WORKING CLOTHS DURING MANUFACTURE TO RENDER THEM FIRE RESISTANT; LIQUIDS USED ON CERTAIN SYNTHETIC FIBRE MATERIALS BY EITHER SOAKING OR BY SATURATION WITH A SPRAY TO RENDER THEM FIRE RESISTANT; INTUMESCENT COATINGS USED FOR THERMAL, ACOUSTICAL AND ANTICONDENSATION INSULATION; FLAME RETARDANT GLUES USED FOR THERMAL, ACOUSTICAL AND ANTICONDENSATION INSULATION