(class / ) macromolecular (other than synthetic resins) (class / ) powders, granules or particles of specified mesh or particle size (class / ) wettable (class / ) shaped forms adapted for noningestible use other than suppository type (e.g., films, inserts, etc.)...
and tannic acid and have been used in the manufacture of permanent inks (such as iron gall ink) and astringent ointments, in dyeing, and in tanning. gall-nuts green gall-nuts are rich in resins and tannic acid and have been used in the manufacture of permanent inks (such as iron gall ink) and astringent...