Harmonized System

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Section VII > Chapter 40 > Heading 4008

Explanatory notes

… they retain the essential character of rubber. This heading thus includes : (A)  Plates, sheets and strip of cellular …

Section XIII > Chapter 69 > Heading 6909

Explanatory notes

… tubes, including analysis tubes for estimation of carbon, sulphur, etc.). (2)   Ceramic wares for other technical …

Section XVI > Chapter 84 > Heading 8405

Explanatory notes

… gases must be cleaned of impurities such as dust, tars, sulphurous compounds, etc., and sometimes reheated or …

Section XII > Chapter 64 > Heading 6401

Explanatory notes

… (usually rubber or thermoplastics) is prepared with sulphur powder and passed through a press to produce a flat …

Section XV > Chapter 79

Explanatory notes

… (II)  Electrolysis . The zinc oxide is dissolved in dilute sulphuric acid. This solution of zinc sulphate is carefully …

Section XVI > Chapter 85 > Heading 8507

Explanatory notes

… Lead ‑ acid accumulators , in which the electrolyte is sulphuric acid and the electrodes lead plates or lead grids …