… of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulphonates, but …
Explanatory notes
… of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulphonates, but … products. It is usually in the form of a viscous liquid, a sticky brownish paste, a blackish mass with a vitreous … foundry cores, in the preparation of glues, impregnants, fungicides or tannins, for the production of alcohol, etc. …