Harmonized System

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Section XI > Chapter 50 > Heading 5003

Explanatory notes

… in particular : 1)   Frisons (floss silk). This is the term applied to the coarse threads forming the outer covering of … and combing silk waste (in some countries known as “ schappe ”). They are then in the form of sheets or laps of … They include rovings which have been drawn out very fine to approximately the thickness of a single yarn and usually …

Section VI > Chapter 28 > Heading 2809

Explanatory notes

… phosphoric acid), pyrophosphoric (diphosphoric) acid, metaphosphoric and other polyphosphoric acids. (A) … polymeric acids : pyrophosphoric (diphosphoric) acid, metaphosphoric acids and other polyphosphoric acids. (C) … in moist air and readily reconverts to the orthoacid. (2)   Metaphosphoric acids. These are the cyclic acids exemplified …

Section XVI > Chapter 84 > Heading 8484

Explanatory notes

… or  (ii)   Asbestos or other non‑metallic materials cut to shape, and with metal sheeting folded along the outer edges … surfaces to prevent high-pressure leakage in the machine or apparatus on which they are mounted, resisting the pressure … and, in some cases, as unions. These seals have numerous applications, including in pumps, compressors, mixers, …

Section XV > Chapter 82 > Heading 8201

Explanatory notes

… tools almost always have a spring which forces the shafts apart after cutting, and a hook or other fastening so that … flower or fruit secateurs; vineyard secateurs with narrow, tapering blades, etc.          The heading does not , … .  These include scythes, sickles (including bagging, reaping or grass hooks), hay or straw knives of all kinds; …

Section XX > Chapter 94 > Heading 9406

Explanatory notes

… to as modules.  They are normally presented in the size and shape of a standard shipping container intended for … doors, windows and electrical and plumbing facilities as appropriate to the type of building module.  They may also … with the buildings, provided it is presented therewith in appropriate quantities. Presented separately, parts of …

Section XVII > Chapter 87 > Heading 8716

Explanatory notes

… attachments (manure chopper, forage shredder, etc.) to adapt them for use as a muck spreader, forage box or root … of vehicles with permanently built‑on machines or appliances is determined according to the essential …

Section VI > Chapter 28 > Heading 2840

Explanatory notes

… to the exclusions mentioned in the introduction to this sub‑Chapter, this heading covers borates, metal salts of the … by this heading, as are also natural borates obtained by evaporating complex brines from certain salt lakes. (1)   … borax glass, borax bead). Used for stiffening linen or paper; in soldering metals (flux for hard solder); as a flux …

Section VI > Chapter 28 > Heading 2849

Explanatory notes

… and silica in an electric furnace. Black crystals, lumps or shapeless masses, crushed or in grains. Fusible only with … as an abrasive and as a refractory product; mixed with graphite it is used for lining electric furnaces or high … of powder or grain on a backing of textile material, of paper, of paperboard or of other materials ( heading 68.05 …

Section VI > Chapter 28 > Heading 2814

Explanatory notes

… Sub-Chapter IV INORGANIC BASES AND OXIDES, HYDROXIDES AND … of a basic oxide with an anhydride oxide. This sub‑Chapter covers : (1) Oxides, hydroxides and peroxides of … no metal, such as hydroxylamine (heading 28.25). The sub‑Chapter excludes : (a) The oxides and hydroxides of Chapter

Section VI > Chapter 28 > Heading 2815

Explanatory notes

… be presented as an aqueous solution or an anhydrous solid. Evaporation of the sodium hydroxide aqueous solution … cotton, tantalum or niobium metallurgy, production of hard soaps, manufacture of many chemical products, including … carbonate ( heading 28.36 ) or commercial potash (a name applied loosely in certain countries to any potassium salt, …