Printing and writing paper

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Printing and writing papers are paper grades used for newspapers, magazines, catalogs, books, commercial printing, business forms, stationeries, copying and digital printing. About 1/3 of the total pulp and paper marked (in 2000) is printing and writing papers.[1]

Writing paper standards[edit]

Specifications MD/CD Unit Level A Level B Method
Substance gsm 80-120 60-80 TCVN 1270:2000
Durable mN.m²/g TCVN 3229:2000
MD 5.7 4.1
CD
Tearing
strength ≥
m TCVN 1862:2000
MD 3800 3200
CD 2200 1800
Water
absortiveness
Cobb[disambiguation needed] 60
g/m² 23 23 TCVN 6726:2000
Brightness ISO ≥  % 78 70 TCVN 1865:2000
Opacity  % 85 85 TCVN 6728:2000
Roughness
Bendtsen
ml/
minute
280 400 TCVN 3226:2001
Ash content ≥  % 3 3 TCVN 1864:2001
Moisture
content
 % 7+/-1 7+/-1 TCVN 1867:2001

Types[edit]

History[edit]

Main article: History of paper

Production[edit]

Main article: Paper machine

References[edit]

  1. ^ Paulapuro, Hannu (2000). "1". Paper and Board grades. Papermaking Science and Technology 18. Finland: Fapet Oy. pp. 14–51. ISBN 952-5216-18-7.