Printing and writing paper

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] The pulp or fibers used in printing and writing papers are extracted from wood using a chemical or mechanical process.^[2]

In the United States printing and writing papers are separated into four main categories:^[3]

Uncoated Freesheet Paper
Uncoated Mechanical Paper
Coated Freesheet Paper
Coated Mechanical Paper

Writing paper standards

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 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

History

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Paper

History Manufacture/Papermaking

Types	Blotting Bond Construction Cotton Rag Crêpe Display Dó Asphalt Glassine India Korean Kraft Laid Manila Newsprint Oatmeal Onionskin Origami Baking Building Rice Rolling Security Seed Copy Tar Thermal Tissue Tracing Transfer Tree-free Wallpaper Washi Waterproof Wax Wood-free Wove Writing

Materials	Fiber crop Paper chemicals Papyrus Wood pulp Algal bloom (Shiro alga carta)

Specifications	Grammage Density Size Units of paper quantity Surface chemistry of paper Wet strength

Manufacture and Process	Bleaching of wood pulp Calender Conical refiner Deinking Paper pollution Environmental impact of paper Hollander beater Kraft process Organosolv Paper cut Paper machine Paper recycling Soda pulping Sulfite process

Industry	Paper mill List of paper mills In Europe In Canada In India In Japan In the United States

Category Commons

References

↑ Paulapuro, Hannu (2000). "Chapter 1". Paper and Board grades. Papermaking Science and Technology 18. Finland: Fapet Oy. pp. 14–51. ISBN 952-5216-18-7.
↑ "Printing and Writing Paper: What's The Difference". Clash Graphics. Retrieved August 1, 2015.
↑ "Printing and Writing Paper". American Forest & Paper Association. Retrieved August 1, 2015.

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