… hot-bending or hot-curving (in a suitable furnace and over moulds) flat glass sheets, with the exception , however, of … glass of heading 70.15 . (B) Glass with worked edges (ground, polished, rounded, notched, chamfered, bevelled, profiled, etc.), thus …
… required thickness. Such wire nails usually have flat or rounded heads, though some are headless and pointed at one or both ends. … is hammered to a point, after which the head is stamped out by a nail‑making machine. (3) Cutting from sheet or …
… ‑ Disodium tetraborate (refined borax) : 2840.11 ‑ ‑ Anhydrous 2840.19 ‑ ‑ Other 2840.20 ‑ Other borates 2840.30 … this heading covers borates, metal salts of the various boric acids, principally normal or orthoboric acid … H 2 O or 10 H 2 O. Heated and then cooled down, it gives a vitreous mass (melted borax, borax glass, borax bead). Used …
… or paperboard made mainly of bleached chemical pulp, not coloured in the mass 4707.30 - Paper or paperboard made mainly of mechanical pulp (for example, newspapers, journals and similar printed matter) 4707.90 - Other, … pulping and is often presented in compressed bales, but it should be noted that its possible use for other purposes …
… Manganese dioxide 2820.90 ‑ Other (1) Manganese dioxide (manganous anhydride) (MnO 2 ). The most important manganese … Brown or blackish masses or powder (specific gravity about 5), insoluble in water. A very powerful … the manufacture of driers, printers’ ink (manganese black), colours (brown pigments known as mineral bistre, manganese …
… replacing one or more hydrogen atoms by a halogen, a sulpho group (-SO 3 H), a nitro group (-NO 2 ), a nitroso group … DERIVATIVES (1) o - Chlorophenol . Liquid with a strong odour. (2) m - Chlorophenol . Colourless crystals. (3) p - Chlorophenol . Crystalline …
… garnet and other natural abrasives Pumice stone is a very porous variety of volcanic rock, rough to the touch and extremely light in weight, usually whitish or …
… 4823.61 - - Of bamboo 4823.69 - - Other 4823.70 ‑ Moulded or pressed articles of paper pulp 4823.90 ‑ Other … and webs of cellulose fibres, not covered by any of the previous headings of this Chapter : ‑ in strips or rolls … shelf edging. (12) Paper gaskets and washers. (13) Stamp mounts, photograph mounting corners and photo mounts, …
… this heading covers : (A) Metal sulphites ‑ salts of sulphurous acid (H 2 SO 3 ) (which exists only in aqueous solution and corresponds to the sulphur dioxide of … sulphur dioxide on an aqueous solution of sodium carbonate. Colourless powder or crystals, rather unstable, with a smell …
… into pure aluminium oxide (alumina). For this purpose the ground ore is calcined and then treated with sodium … it acts solely as a solvent). This electrolysis is carried out in carbon lined baths which act as the cathode; carbon … by the treatment of certain other ores such as leucite (double silicate of aluminium and potassium), by re‑melting …
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