… (1) Mechanical pulps , which include stone groundwood (SGW) and pressurised stone groundwood (PGW) pulps, as well as pulps produced in refiners, for …
… main types of mechanical wood pulp are : Stone groundwood (SGW) produced from roundwood or blocks in stone grinders at atmospheric pressure. Pressurised stone groundwood (PGW) produced from roundwood or blocks in pressurised stone …
… and dyeing extracts of vegetable origin obtained from logwood (haematein, haematoxylin, etc.), yellow woods … or vegetable origin on to a base (e.g., carmine lake, logwood lake, yellow wood, redwood lakes) ( heading 32.05 ). …
