BS ISO 4046-2:2016 pdf free.Paper, board, pulps and related terms一Vocabulary Part 2: Pulping terminology. 2.5 BCTMP SEE bleached chemi-thermomechanical pulp 2.6 black liquor liquor recovered by separation of the chemical pulp (normally sulfate pulp or soda pulp) from the other products resulting from the cooking process 2.7 bleached chemi-thermomechanical pulp BCTMP chemi-thermomechanical pulp that has been bleached to relatively high bnghtness (blue reflectance factor), usually no tess than 70 ISO brightness 2.8 bleached pulp pulp which has been subjected to bleaching Cf. unbleached pulp, semi-bleached pulp, fully bleached pulp bleaching removal or modification, to a greater or lesser extent. of coloured components of pulp with a view to increasing its brightness (blue reflectance factor) 2.10 brown mechanical pulp mechanical pulp made from steamed or boiled wood caustic carbonate semi-chemical pulp semi-chemical pulp in which the cooking medium is predominantly sodium carbonate, to which a small amount of sodium hydroxide has been added to maintain a suitable alkalinity NOTE This pulp is normally used in the manufacture of corrugating mediums. 2.12 chemical pulp pulp obtained by removal from the raw material of a considerable part of those non-carbohydrate components that can be removed by a chemical treatment (e.g. by cooking) NOTE…