Harmonized System
Section V > Chapter 25 > Heading 2510
… Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk. …
Explanatory notes
… 25.10 ‑ Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk. 2510.10 ‑ Unground 2510.20 ‑ Ground T his … aluminium calcium phosphates and phosphatic chalks (chalk naturally mixed with calcium phosphate). These products …Section V > Chapter 25 > Heading 2528
… Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than …
Explanatory notes
… 25.28 ‑ Natural borates and concentrates thereof (whether or not … extracted, concentrates (whether or not calcined) of such materials, and natural boric acid as obtained by evaporation of the water left after the condensation of the …Section XVIII > Chapter 91 > Heading 9113
… Watch straps, watch bands and watch bracelets, and parts thereof. …
Explanatory notes
… 91.13 ‑ Watch straps, watch bands and watch bracelets, and parts … 9113.20 ‑ Of base metal, whether or not gold‑ or silver‑plated 9113.90 ‑ Other This heading covers all kinds of watch straps, watch bands and watch bracelets, i.e., all devices for fastening watches to the wrist. Watch straps, …Section XVI > Chapter 84 > Heading 8450
Explanatory notes
… finished goods, etc. They usually include paddles or rotating cylinders for keeping the liquid circulating through the contents, or sometimes a device to give high frequency vibrations to the liquid. The …Section XVI > Chapter 84 > Heading 8403
… Central heating boilers other than those of heading 84.02. …
Explanatory notes
… wood, coal, coke, gas, fuel oil), for heating houses, flats, factories, workshops, greenhouses, etc., by circulation of water; it also includes electric central heating boilers. …Section VI > Chapter 31 > Heading 3104
Explanatory notes
… potassic. 3104.20 - Potassium chloride 3104.30 - Potassium sulphate 3104.90 - Other This heading applies only to the … sulphate, whether or not pure . It should be noted that the mineral or chemical products described in the limitative list above are classified in this heading even …Section IX > Chapter 44 > Heading 4406
Explanatory notes
… (cross‑ties) of wood (+). ‑ Not impregnated : 4406.11 ‑ - Coniferous 4406.12 ‑ - Non-coniferous … be roughly chamfered and they may be provided with holes or seatings for fixing the rails or chairs. They may also … ends by means of staples, nails, bolts or steel strips to prevent their splitting. The products of this heading may be …Section VIII > Chapter 41 > Heading 4102
Explanatory notes
… method to prevent putrefaction in the short term (see the Explanatory Note to heading 41.01). They may also be … a tanning (including pre-tanning) process which is reversible, but not subjected to any other tanning or …Section XX > Chapter 96 > Heading 9604
… Hand sieves and hand riddles. …