Harmonized System

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Section VI > Chapter 29 > Heading 2920

Explanatory notes

… (phosphorothioates) and their salts , including sodium O,O ‑dibutyl- and O,O -ditolyldithiophosphates* . (B)  Phosphite … and their salts.        Sulphuric esters may be either neutral or acid. (1) Methyl hydrogen sulphate (CH 3 OSO 2 … their salts.        Esters of carbonic acid may be acid or neutral. (1) Diguaiacyl carbonate* . Crystalline light white …

Section XV > Chapter 72 > Heading 7209

Explanatory notes

… of 3 mm or more 7209.16 - - Of a thickness exceeding 1 mm but less than 3 mm 7209.17 - - Of a thickness of 0.5 mm or … provisions of the Explanatory Note to heading 72.08 apply, mutatis mutandis , to the products of this heading. Criteria … and the hot‑rolled products of heading 72.08 are set out in the General Explanatory Note to this Chapter ‑ see …

Section XVIII > Chapter 92 > Heading 9205

Explanatory notes

… coiled to various degrees. They are fitted with a hollowed-out mouthpiece, sounded with the lips and usually valve … and similar pipe instruments, not fitted with a keyboard but operated either automatically or by a handle ( heading 92.08 ).  Electronic …

Section VI > Chapter 28 > Heading 2834

Explanatory notes

… include ammonium nitrite, unstable and explosive; used in solution for the production of nitrogen in laboratories. The … primers, fireworks, matches and metallurgical fluxes. (2)   Bismuth nitrates . (a)  Neutral bismuth nitrate (Bi(NO 3 ) 3 .5H 2 O). Results from …

Section VI > Chapter 29 > Heading 2905

Explanatory notes

… alcohol) and propan-2-ol (isopropyl alcohol) 2905.13 - - Butan-1-ol ( n -butyl alcohol) 2905.14 - - Other butanols 2905.16 - - … industry, and for the manufacture of explosives, pharmac e utical products, etc. Wood naphtha (crude methyl alcohol) …

Section VI > Chapter 28 > Heading 2826

Explanatory notes

… or by the ammonium ion (NH 4 + ). In the liquid state or in solution, they are electrolytes giving a metal (or a metal ion) at the cathode. In neutral salts all the hydrogen atoms are replaced by the metal, but acid salts still contain part of the hydrogen …

Section XVI > Chapter 84 > Heading 8481

Explanatory notes

… may be operated by hand (by means of a key, wheel, press button, etc.), or by a motor, solenoid, clock movement, etc., or by an automatic device such as a spring, counterweight, float … a thermostat, manostat or any other measuring, checking or automatically controlling instrument or apparatus of …

Section XVII > Chapter 87 > Heading 8701

Explanatory notes

… 8701.91 - ‑ Not exceeding 18 kW 8701.92 - ‑ Exceeding 18 kW but not exceeding 37 kW 8701.93 - ‑ Exceeding 37 kW but not … if the propelling base uses traction or propulsion for the execution of this function. The heading covers tractors ( … for agricultural or forestry work, road tractors, heavy duty tractors for constructional engineering work, winch …

Section VII > Chapter 40 > Heading 4012

Explanatory notes

… example, polyurethane (generally Section XVII ) and worn‑out tyres not suitable for retreading ( heading 40.04 ). ° … tyre). Used tyres of subheading 4012.20 may be subjected to recutting or regrooving , by which worn (but visible) grooves of the tread are deepened by cutting.  …