Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 28 Inorganic chemicals; organic or inorganic compounds of precious metals , of rare 28 42 Other salts of inorganic acids or peroxoacids (including aluminosilicates whethe 28 42 10 28 42 10 00 Commodity Code Description 28 42 10 00 00 - Double or complex silicates, including aluminosilicates whether or not chemically defi 28 42 90 00 00 - Other