Harmonized System

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Section VI > Chapter 29 > Heading 2929

Explanatory notes

… 2929.10 - Isocyanates 2929.90 - Other This heading includes : (1)   Isocyanates*        This group of chemicals … in the manufacture of polyurethanes.           This heading excludes poly(methylene phenyl isocyanate) (crude MDI or … of carboxylic acids . (4)   Organic-substituted amide derivatives of inorganic acids ( other than carbonic acid) …

Section VI > Chapter 37 > Heading 3701

Explanatory notes

… or other material. Some of these plates must have their degree of sensitivity enhanced prior to exposure and other … use. (2) X-ray plates and flat film including those for dental radiography. These goods are generally sensitised on … a sheet of specially treated paper (the positive), and a developer, for instant production of finished positive …

Section X > Chapter 49 > Heading 4902

Explanatory notes

… is that they constitute one issue in a continuous series under the same title published at regular intervals, each … biographical, etc., interest. They also generally devote a considerable amount of space to illustrations and … or as paperbound publications. They may be mainly devoted to the publication of intelligence on subjects of a …

Section XVI > Chapter 84 > Heading 8406

Explanatory notes

… kinetic energy of expanding steam applied to the vanes or blades of a wheel. They consist essentially of : (1)   A … blading of the rotor. In “impulse” turbines the stator is provided with nozzles in which the steam expands and issues … are of a structure and use similar to the steam turbines described above, but use mercury vapour in place of steam. …

Section VII > Chapter 39 > Heading 3926

Explanatory notes

… not elsewhere specified or included, of plastics (as defined in Note 1 to the Chapter) or of other materials of … aprons, belts, babies’ bibs, raincoats, dress-shields, etc. Detachable plastic hoods remain classified in this heading … presented with the machines or apparatus for which they are designed, whether or not actually mounted, are classified …

Section XV > Chapter 73 > Heading 7304

Explanatory notes

… expansion or not, and extrusion.         The operations described above are followed by different finishing … burnishing to obtain polished surfaces (tubes with a low degree of roughness) required, e.g., for pneumatic jacks or … cylinders. (C)   Casting or centrifugal casting. (D)  Deep drawing of a disc placed over a forming mould, the …

Section VI > Chapter 28 > Heading 2831

Explanatory notes

… in the free state. They are obtained by reducing (with zinc powder) solutions of hydrogen sulphites saturated with sulphur dioxide. They are reducing agents employed in the chemical, … synthesis, in the dyeing industry and for paper‑making. It deteriorates rather rapidly, even when crystallised. For …

Section XIII > Chapter 70 > Heading 7014

Explanatory notes

… worked. This heading covers the following articles provided they have not been optically worked : (A)  Signalling glassware (colourless or coloured) intended for incorporation in reflecting road signs (e.g., … elements of glass (colourless or coloured). The heading includes elements which are manufactured in such a way that …

Section XVI > Chapter 84 > Heading 8408

Explanatory notes

… chamber where it is spontaneously ignited by the heat developed, the compression being considerably greater than … air or oil filters, clutches or power drives, or starting devices (electric or other). Change speed gears may also be … compression-ignition internal combustion piston engine type designed specially for determination of the octane and …

Section XV > Chapter 73 > Heading 7323

Explanatory notes

… HOUSEHOLD ARTICLES AND PARTS THEREOF This group comprises a wide range of iron or steel articles, not more specifically … roasting or baking dishes and plates; grid‑irons, ovens not designed to incorporate heating elements; kettles; … 82.11 to 82.15 . (f)    Safes, strong boxes, cash and deed boxes ( heading 83.03 ). (g)   Ornaments ( heading …

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