Harmonized System

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Section V > Chapter 26 > Heading 2612

Explanatory notes

… ores and concentrates The principal uranium ores generally classified in this heading are : (a)   Autunite, hydrated … titanate. (c)   Carnotite, hydrated vanadate of uranium and potassium. (d)   Coffinite, uranium silicate. (e)   Davidite, uranium iron titanate. (f)   …

Section XI > Chapter 57 > Heading 5705

Explanatory notes

… surface is bonded either to a substrate or directly to an adhesive which forms the substrate. The bonding may be … by ultrasonic welding. The pile can be bonded either to a single backing surface or between two backing surfaces, in … serves as a backing, or be bonded to a backing fabric by similar adhesives. (3)   Carpets made by “flocking”, i.e., …

Section VI > Chapter 28 > Heading 2831

Explanatory notes

… 2 H 2 O) in colourless crystals. It is used in organic synthesis, in the dyeing industry and for paper‑making. It … It may also be stabilised with acetone. Dithionites of potassium, calcium, magnesium and zinc , which may be stabilised by similar processes, are products similar to sodium …

Section VII > Chapter 39 > Heading 3908

Explanatory notes

… Polyamides are obtained by condensation polymerisation of dibasic organic acids (for example, adipic acid, sebacic … acid) or by rearrangement polymerisation of lactams (e.g., epsilon‑caprolactam). Some of the important nylon type … vegetable oil acids with amines. Polyamides have a high tensile strength and resistance to shock. They also have …

Section IX > Chapter 44 > Heading 4405

Explanatory notes

… twisted to form a tangled mass. The slivers are of regular size and thickness and of considerable length (thus … by grinding sawdust, shavings or other wood waste or by sifting sawdust. It is used largely as a filler in the … the smaller size and greater regularity of its particles. Similar flour made from shells of coconuts or the like is …

Section VI > Chapter 38 > Heading 3826

Explanatory notes

… oils or oils obtained from bituminous minerals. Biodiesel consists of mono-alkyl esters of fatty acids of various … water, with a high boiling point, low vapour pressure and a viscosity similar to that of diesel oil produced from petroleum.  …

Section XV > Chapter 82 > Heading 8214

Explanatory notes

… nail files). 8214.10 ‑ Paper knives, letter openers, erasing knives, pencil sharpeners and blades therefor … removing tweezers, etc., which, taken separately, would be classified in their appropriate headings. (3)   Hair … do not have the normal shape of a knife, and may be designed for use with one or both hands. …

Section VI > Chapter 28 > Heading 2822

Explanatory notes

… cobalt oxides . Generally greyish or black powder consisting of cobalt monoxide and cobalt saline oxide in … for colouring optical glass. They are converted into silicates (e.g., cobalt potassium silicates) for the … but also saline oxide hydrates. They are used for similar purposes to cobalt oxides. Natural hydrated oxide of …

Section V > Chapter 25 > Heading 2505

Explanatory notes

… other than metal‑bearing sands of chapter 26 (+). 2505.10 ‑ Silica sands and quartz sands 2505.90 ‑ Other With the … of subheading 2505.10, silica sands and quartz sands have a silicon dioxide  content exceeding 90 % by weight. …

Section II > Chapter 9 > Heading 0906

Explanatory notes

… with brown; it is generally presented in rolls of a single layer.  Other varieties of cinnamon include … Cinnamomum obtusifolium , Cinnamomum tamala and Cinnamomum sintek . This heading also covers cinnamon waste, known as … cinnamon essence. Cinnamon‑tree flowers are the dried and sieved flowers of the cinnamon tree. They are club‑shaped …