Boron; tellurium :

Section VI · PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES

HS 2804.50 is a heading in Chapter 28 (Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes) of the Sri Lanka Customs import tariff. Choose a more specific sub-heading to see its duty rates.

Hydrogen, rare gases and other non- metals.›Boron; tellurium :

This is a grouping line with no rate cells of its own. Select a more specific sub-heading to see rates and compute duty.