Section 06 Products of the chemical or allied 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare earth metals, of radioactive elements or isotopes 28 26 Fluorides; fluorosilicates... and other complex fluorine salts 28 26 20 Fluorosilicates of sodium or of potassium 28 26 20 00 Fluorosilicates of sodium or of potassium Commodity Code Description 28 26 20 00 00 Fluorosilicates of sodium or of potassium