BS ISO 4046-2-2016 pdf download.Paper, board, pulps and related terms一Vocabulary Part 2: Pulping terminology. 2.5 BCTMP SEE bleached chemi thermomechanical pulp 2.6 black liquor Iiquor 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-themomechanical pulp BCTMP chem-thermomechanical pulp that has been bleached to relafively high brighiness (blue reflec- tance factor). usually no less than 70 Iso brightness 2.8 bleached pulp pulp which has been subjected to bleaching ef. unbleached pulp, semi-bleached pulp. fully bleached pulp 2.9 bleaching removal or modifcation, to a greater or esser extent, of coloured components of pulp with a vlew to increasing its brightness (blue reflectance factor) 2.10 brown mechanical pulp. mechanical pulp made from steamed or bolled wood 2.11 caustic carbonate semi-chemical pulp semi-chemical pulp in which the cooking medium is predominanty sodium carbonate, to which a small amount of sodlum hydroxide has been added to maintain a suitable alkalinity NOTE This pulp s normally used in the manufacture ofl corugaling meidiums, 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 Subsequent mechanical treatment is not necesary achieve defbraion.BS ISO 4046-2 pdf download.
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