Pressboard

Pressboard is a class of cellulose-based material constructed of several layers (plies) of paper which, when compressed using a combination of heat and pressure, form a stiff, dense material in a range of weights.[1] Pressboard has been widely used in traditional school and office products such as spiral-bound notebooks and three-ring binders, but its unique physical characteristics lend itself readily to a variety of end-uses, including (but not limited to) document storage, filing supplies (classification and file folders), report covers, folding cartons, tags, labels, and industrial applications.[2][3][4] It is commonly used to make the back panels of radios and some televisions. Pressboard may be converted using a number of different techniques (scoring, folding, die-cutting), and accepts a range of value-add decorating techniques (coating, foil-stamping, screen-printing, and embossing). Pressboard may contain recycled fiber content (including post-consumer waste), and is typically itself recyclable and biodegradable, making it an environmentally-sound choice for those seeking an alternative to petroleum-derived substrates. Pressboard has also been made from cornstalks.[5]

See also

References
  1. "What is Pressboard and Pressed Wood? | Definition of Pressboard and Pressed Wood". Kitchen Cabinet Kings. Retrieved 2021-08-01.
  2. Bhel (2003-01-01). Transformers. Tata McGraw-Hill Education. ISBN 978-0-07-048315-6.
  3. Staff, British Standards Institute (1998-02-15). Insulating Liquids. Oil-Impregnated Paper and Pressboard. Determination of Water by Automatic Coulometric Karl Fischer Titration. B S I Standards. ISBN 978-0-580-29356-6.
  4. Harlow, James H. (2012-05-16). Electric Power Transformer Engineering, Third Edition. CRC Press. ISBN 978-1-4398-5629-1.
  5. Wingfield, Baker; Naffziger, T. R.; Whittemore, Edward Richard; Overman, Charles Beatty; Sweeney, Orland Russell; Acree, Solomon Farley (1936). Production of Pressboard from Cornstalks. U.S. Government Printing Office.


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