+ CHECK THE PRODUCTS AND CUSTOMERS OR SUPPLIERS OF ALKEMY SOCIEDAD ANONIMA
| Description | HS CODE |
| Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape... | 2506 |
| Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or n... | 2517 |
| Sulfuric acid, oleum... | 2807 |
| Other inorganic acids and other inorganic oxygen compounds of non-metals... | 2811 |
| Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides... | 2825 |
| Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts... | 2826 |
| Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides... | 2827 |
| Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites... | 2828 |
| Sulphites; thiosulphates... | 2832 |
| Sulphates; alums; peroxosulphates (persulphates)... | 2833 |
