Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare - earth metals, of radioactive elements or isotopes 28 42 Other salts of inorganic acids or peroxoacids (incl. aluminosilicates), excluding azides 28 42 90 Other 28 42 90 00 Other Commodity Code Description 28 42 90 00 000 Other