Harmonized System

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Section VI > Chapter 38 > Heading 3825

Explanatory notes

… obtained as a by-product from one of the processes of the extraction of aluminium from bauxite.  These by-products … carbonate, silica, etc. (2)         Residues from the manufacture of antibiotics (called "cakes"), with a very low … the gas certain impurities (hydrogen sulphide, hydrocyanic acid, etc.). When spent, it contains a mixture of sulphur, …

Section VII > Chapter 39 > Heading 3911

Explanatory notes

… polymerised, made by polymerising more or less impure fractions obtained, respectively, from deeply cracked petroleum distillates, from coal tar or from … for use in floor tiles. (2)   Polysulphides are polymers characterised by the presence of monosulphide linkages in …

Section VI > Chapter 38 > Heading 3811

Explanatory notes

… structures (in particular, distillation columns). Their active constituents are generally amino‑type substances … on polymers of ethylene, on vinyl esters and ethers or on acrylic esters.       (c)   Oxidation inhibitors usually … of calcium or barium, on amines or on alkylsuccinic acids.       (g)   Foam inhibitors , usually based on …

Section IX > Chapter 44 > Heading 4403

Explanatory notes

… or not quarter ‑ split, for pulping; round logs for the manufacture of veneer sheets, etc.; logs for the manufacture … a draw knife or peeled with a mechanical peeler to a smooth surface ready for use. These poles are often painted, … of trunks or sections of trunks of trees, the round surfaces of which have been reduced to flat surfaces by …

Section XX > Chapter 94 > Heading 9403

Explanatory notes

… , such as : school‑desks, lecturers’ desks, easels (for blackboards, etc.). (4)   Churches , such as : altars, … not having the character of furniture; these are classified according to their constituent material ( headings 44.21, … insulated cabinets not equipped or designed to contain an active refrigerating element but insulated simply by glass …

Section XIII > Chapter 70 > Heading 7018

Explanatory notes

… These include : (A)  Glass beads (e.g., as used for necklaces, rosaries, imitation flowers, ornaments for … plaster, etc.), into a metal drum revolving over a furnace. Heat softens the glass cylinders and friction gives … tube. After cooling, the metal is dissolved in nitric acid; the glass is not attacked and the pearls show a …

Section XI > Chapter 63 > Heading 6309

Explanatory notes

… in bulk (e.g., in railway goods wagons) or in bales, sacks or similar bulk packings , or in bundles tied together without external … of textile materials of Section XI : clothing and clothing accessories (e.g., garments, shawls, scarves, stockings and …

Section XVI > Chapter 85 > Heading 8534

Explanatory notes

… 85.34 ‑ Printed circuits. In accordance with Note 8 to this Chapter,  this heading covers … amplify electric signals, such as diodes, triodes or other “active” elements. Some basic or “blank” circuits may … devices. Others combine several of the above elements according to a pre‑established pattern. The insulating base …

Section XI > Chapter 58 > Heading 5805

Explanatory notes

… on a ground fabric (usually canvas). Their essential characteristic is that they are made in the form of panels … at the edges. The stitches used are differently named according to the way in which they are executed : petit …

Section VIII > Chapter 42 > Heading 4205

Explanatory notes

… heading includes the following articles of a kind used in machinery or mechanical appliances or for other technical … or conveyor belts or belting presented with the machines or apparatus for which they are designed, whether or not actually mounted, are to be classified with that machine or …