Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED 28 Inorganic chemicals;organic or inorganic compounds of precious metals, ofrare-earth, of radioactive elements or of isotopes 28 39 SILICATES; COMMERCIAL ALKALI METAL SILICATES Commodity Code Description 28 39 11 Sodium metasilicates 28 39 19 Other 28 39 90 Other