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 40 Borates; peroxoborates (perborates) Commodity Code Description 28 40 11 Anhydrous 28 40 19 Other 28 40 20 Other borates 28 40 30 Peroxoborates (perborates)
