Chemical additives for use in the manufacture of wood preservatives, disinfectants, sanitizing agents, biocides, and fungicides; chemical compounds for preserving wood used in preservative coatings for wood surfaces; chemicals for treating lumber and manufactured wood products; chemicals used as water and fire repellants for wood and wood products, excluding paints

sand consisting of seventy-five percent ferro-silicant and twenty to twenty-five percent silicon dioxide and up to five percent miscellaneous minerals for use as abrasive in sandblasting