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Harmonized System
Section VI > Chapter 38 > Heading 3815
… accelerators and catalytic preparations, not elsewhere specified or included. …
Explanatory notes
… accelerators and catalytic preparations, not elsewhere specified or included. - Supported catalysts : … nickel compounds as the active substance 3815.12 - - With precious metal or precious metal compounds as the active … for polycondensation reactions” (e.g., mixtures of calcium acetate with antimony trioxide). The …Section VII > Chapter 39 > Heading 3912
… Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms. …
Explanatory notes
… ‑ Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms. ‑ Cellulose acetates : 3912.11 ‑ ‑ Non‑plasticised 3912.12 ‑ ‑ Plasticised 3912.20 ‑ Cellulose …Section VI > Chapter 29 > Heading 2934
… Nucleic acids and their salts, whether or not chemically defined; …
Explanatory notes
… 29.34 - Nucleic acids and their salts, whether or not chemically defined; … 2934.99 - - Other This heading includes nucleic acids and their salts . These are complex compounds which, …Section XIII > Chapter 68 > Heading 6810
… Articles of cement, of concrete or of artificial stone, whether or not reinforced. …
Explanatory notes
… 68.10 - Articles of cement, of concrete or of artificial stone, whether or not reinforced (+). … - - Prefabricated structural components for building or civil engineering 6810.99 - - Other This heading covers …Section V > Chapter 25 > Heading 2503
… Sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur. …
Explanatory notes
… 25.03 ‑ S ulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur. The heading … etc., or may be effected in the deposit itself by forcing superheated steam through pipes sunk in a bore hole … last three paragraphs are sometimes fairly pure. This is especially true of the sulphur produced by the Frasch …Section VI > Chapter 37 > Heading 3705
… plates and film, exposed and developed, other than cinematographic film. …
Explanatory notes
… plates and film, exposed and developed, other than cinematographic film. This heading covers the photographic … excludes : (a) Developed film of a kind used in a cinematographic projector to produce motion pictures ( …Section VI > Chapter 38 > Heading 3806
… Rosin and resin acids, and derivatives thereof; rosin spirit and rosin oils; …
Explanatory notes
… 38.06 ‑ Rosin and resin acids, and derivatives thereof; rosin spirit and rosin oils; … of abietic acid and allied acids with small amounts of non‑acidic components. They are solids, usually transparent and …Section VI > Chapter 29 > Heading 2923
… Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not …
Explanatory notes
… 29.23 - Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not … radicals (methyl, ethyl, tolyl etc.). This cation may be associated with the hydroxide ion (OH – ) to give a …Section I > Chapter 5
… Products of animal origin, not elsewhere specified or included …
Explanatory notes
… Chapter 5 Products of animal origin, not elsewhere specified or included Notes. 1.- This Chapter does not …Section VI > Chapter 28 > Heading 2803
… (carbon blacks and other forms of carbon not elsewhere specified or included). …