Pressboard is a class of

cellulose Cellulose is an organic compound with the formula , a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units. Cellulose is an important structural component of the primary cell wall ...

-based material constructed of several layers (plies) of

paper Paper is a thin sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, rags, grasses or other vegetable sources in water, draining the water through fine mesh leaving the fibre evenly distributed ...

which, when compressed using a combination of heat and pressure, form a stiff, dense material in a range of weights. 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. It is commonly used to make the back panels of

radio Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmit ...

s and some

television Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound. The term can refer to a television set, or the medium of television transmission. Television is a mass medium for advertisin ...

s. 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 Post-consumer waste is a waste type produced by the end consumer of a material stream; that is, where the waste-producing use did not involve the production of another product. The terms of pre-consumer and post-consumer recycled materials are ...

), and is typically itself

recyclable Recycling is the process of converting waste materials into new materials and objects. The recovery of energy from waste materials is often included in this concept. The recyclability of a material depends on its ability to reacquire the p ...

and

biodegradable Biodegradation is the breakdown of organic matter by microorganisms, such as bacteria and fungi. It is generally assumed to be a natural process, which differentiates it from composting. Composting is a human-driven process in which biodegradati ...

, making it an environmentally-sound choice for those seeking an alternative to petroleum-derived substrates. Pressboard has also been made from

cornstalk Cornstalk (c. 1720? – November 10, 1777) was a Shawnee leader in the Ohio Country in the 1760s and 1770s. His name in the Shawnee language was Hokoleskwa. Little is known about his early life. He may have been born in the Province of Pennsylv ...

References

Paper products {{Material-stub

See Also

References