WCO Trade Tools provides essential information to support your trade activity.
Harmonized System
Section VI > Chapter 28 > Heading 2839 > 2839.1 > 2839.11
Sodium metasilicates
Section VI > Chapter 28 > Heading 2840
Borates; peroxoborates (perborates).
Section VI > Chapter 28 > Heading 2840 > 2840.1
Disodium tetraborate (refined borax)
Section VI > Chapter 28 > Heading 2840 > 2840.20
Other borates
Section VI > Chapter 28 > Heading 2840 > 2840.30
Peroxoborates (perborates)
Section VI > Chapter 28 > Heading 2841
Salts of oxometallic or peroxometallic acids.