Section V — Mineral products
Heading
2503
Sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur.
Common commodities
Crude sulphur from Frasch processRefined sulphur obtained from petroleum refiningUnrefined sulphur mined from the earthBrimstone for industrial useYellow mineral sulphur in powder formSulphur recovered as natural gas by-productIndustrial grade unworked sulphurElemental sulfur obtained via miningSulphur in solid state from petroleum productionBrimstone used for matches and incense