Explanatory notes
… Sub-Chapter I PRIMARY MATERIALS; PRODUCTS IN GRANULAR OR POWDER FORM GENERAL The sub‑Chapter covers : (1) … purity by weight of 99.94 % (headings 72.01 to 72.04). (2) Granules and powders, of pig iron, spiegeleisen, iron or … also containing other elements such as silicon, manganese, sulphur and phosphorus, derived from the ore, scrap, flux or …