Harmonized System

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Section XV > Chapter 72 > Heading 7214

Explanatory notes

… pickling, scraping and other processes to remove the oxide scale and crust formed during the heating of metal. … intended solely to protect products from rust or other oxidation, to prevent slipping during transport and to … anti‑rust pigment for example, red lead, zinc powder, zinc oxide, zinc chromate, iron oxide (iron minium, jewellers’ …

Section III > Chapter 15 > Heading 1522

Explanatory notes

… oil of marine animals, resinous substances due to the oxidation of the oil, water, mineral substances (soda, lime, … dark brown.       Artificial degras consists essentially of oxidised, emulsified or polymerised fish oils (including … neutralisation of the free fatty acids with a base (sodium hydroxide), and consisting of a mixture of crude soap and …

Section XVI > Chapter 84 > Heading 8438

Section V > Chapter 27 > Heading 2710

Section IV > Chapter 23 > Heading 2309

Section XV > Chapter 73 > Heading 7317

Explanatory notes

… small triangles, etc. (usually of tin‑plate) used for fixing window‑panes; decorative studs for upholsterers; … fastening masonry, heavy timbers, etc.; dog spikes used for fixing the rails to the sleepers. (2) Corrugated nails with … ( heading 73.18 ). (b)   Shoe‑protectors, with or without affixing points; picture hooks with fixing nails; belt …

Section VI > Chapter 28 > Heading 2849

Explanatory notes

… C 3 ). Obtained in an electric furnace by heating aluminium oxide with coke; transparent yellow crystals or flakes. … (ZrC). Obtained in an electric furnace from zirconium oxide and carbon black; disintegrates on contact with air or … or niobium carbides, obtained from the metal powders or oxides and carbon black in an electric furnace; used for the …

Section VI > Chapter 36 > Heading 3603

Explanatory notes

… in a waterproofed covering of textile material or plastics (flexible fuses) .  The PETN explodes at a rate of … (styphnate) with the addition of tetrazene and various oxidising and reducing agents; charges of this explosive … weigh between 10 and 200 mg. These caps are intended for fixing in the bases of cartridge cases and are used to …

Section XVI > Chapter 84 > Heading 8454

Explanatory notes

… elements such as manganese, silicon and phosphorus are oxidised and eliminated in the form of gas or molten slag.  The oxidation increases the temperature of the metal further. … the converter bottom (OBM-converters (Oxygen Bodenblasende Maximilianhütte)). Combinations of the two exist. Other …

Section XV > Chapter 79

Explanatory notes

… and is then roasted or calcined to produce zinc oxide (in the case of the sulphide and carbonate ores) or … (I)   Thermal reduction is effected by heating the oxide or silicate with coke in closed retorts. The … of the process is based on the continuous reduction of zinc oxide and distillation of zinc in vertical retorts. This …