Harmonized System

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Section VI > Chapter 28 > Heading 2839

Explanatory notes

… (monosilicate, metasilicate, polysilicate, etc.), and their degree of hydration and their solubility vary with the method of manufacture and the degree of purity. Occur in colourless crystals or in powder, … or less viscous aqueous solutions. They deflocculate the gangues of ores and are used as flotation regulators. Also …

Section XIV > Chapter 71 > Heading 7105

Explanatory notes

… and powder obtained, for example, from the polishing or grinding of the stones covered by the three preceding … measuring individual particles. There can be a considerable degree of overlap between the size of dust and powder … Diamond dust and powder are used for the manufacture of grinding, polishing or honing wheels, cutters, polishing …

Section XVIII > Chapter 92 > Heading 9205

Explanatory notes

… tube terminating in a bell; they may be coiled to various degrees. They are fitted with a hollowed-out mouthpiece, … (bass-tuba), bass sousaphones, trombones (valve or sliding type), orchestral horns (e.g., French horns) and … made of metal or clay, giving a flute-like sound), and sliding whistles (of metal or ebonite). (6) Other wind …

Section XIII > Chapter 70 > Heading 7016

Explanatory notes

… mosaics or similar decorative purposes 7016.90 - Other This heading covers a range of glass articles obtained by … of cellars, basements, underground corridors, etc. The heading thus includes solid or hollow bricks, squares, … banister knobs, etc. These articles, which are of different degrees of translucency, may have their edges worked or …