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A good quality of chemical pulp or rag pasteboard made by combining two or more webs of paper, either with or without paste, while still wet; used for signs, printed material, and high-quality boxes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a variety of paper that differs from ordinary paper in its greater quantity of paper pulp per unit area. There is no uniform international classification that makes a sharp distinction between paper and cardboard. For example, in the USSR, cardboard is the term for paper matter with more than 250 g of pulp per sq m; in the German Democratic Republic, more than 150 g/m2; and in Poland, more than 180 g/m2.

The operations in the production of cardboard are beating, molding, pressing, and drying; they do not differ in principle from similar operations for making paper, although material with coarser and stiffer fibers (such as brown wood pulp, hemi-cellulose, sulfate pulp, and waste paper) is more frequently used as raw material to make cardboard.

Types of cardboard include packing, printing, footwear, electric-insulation, and millboard. Packing cardboard is used to make boxes and cartons. Types of printing cardboard are binder’s board (for making book bindings and clean products), matrix board (for making matrices for molding stereotypes), and ticket cardboard. Types of millboard include facing board (for facing dry gypsum plaster) and wallboard (for covering building walls). Types of industrial cardboard are fitting board (for making sealing gaskets), sound-deadening and thermal-insulation cardboard, and waterproof and filter board.

Cardboard is made on cardboard machines. A distinction is made between single-ply and multi-ply cardboard. The layers of multi-ply cardboard are usually prepared from fibers. The inner layers are molded from cheaper compositions; the outer layers are molded from more durable and expensive fiber (for example, the inner layers of most types of box cardboard are molded from white pulp with a small amount of cellulose added, from waste paper, or from other cheap fibrous materials; the outer layers are made of bleached or unbleached sulfate pulp).

The properties of cardboard are evaluated by a series of general and special technical parameters. The general parameters include mass per square meter, thickness, and moisture content. The special parameters include absorbent capacity, electric-insulation properties, and deformation upon moistening and drying. The required properties for each type of cardboard are provided by the selection of the proper intermediate products, by their treatment, and by the introduction of adhesives, binders, fillers, and dyes into the cardboard, and by the application of polymer films and metal foil to the surface of the cardboard.


Lapinski, J. KartonodelateVnye mashiny. Moscow, 1966. (Translated from Polish.)
Legman, G. Osnovy tekhnologii pererabotki bumagi i kartona. Moscow, 1968. (Translated from German.)


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

Google Cardboard

A 3D virtual reality headset constructed of cardboard, introduced in 2015. Designed by Google and made by third parties, Cardboard holds an Android smartphone and uses the Cardboard app or a third-party app to display a stereoscopic view. The app is controlled by head movement and the smartphone's built-in accelerometer, as well as a magnet slider on the unit that interacts with the phone's magnetometer. See accelerometer, virtual reality and Daydream VR.

Stereo Views in Cardboard
This is a Cardboard holder from Planetz Tech and a Galaxy Note 3 phone. The current scene is from Google Earth, which is one of the demos in the Google Cardboard app. The silver circle on the left side is the magnet slider.

Stereo Views in Cardboard
This is a Cardboard holder from Planetz Tech and a Galaxy Note 3 phone. The current scene is from Google Earth, which is one of the demos in the Google Cardboard app. The silver circle on the left side is the magnet slider.
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References in periodicals archive ?
Operating out of his basement workshop, Nuwame created the Homemade Game Guru channel to showcase his use of cardboard as a versatile crafting medium.
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It was fine until I ate the cardboard, which is what now makes me think that it's poisonous.
"Cardboard bikes, wagons, wheelchairs, chairs for airplanes or trains, toys, even cars.
But when I started asking engineers about the possibility of producing a cardboard bicycle, I was sent away and told that the realization of my idea is impossible.
The National Solid Wastes Management Association (NSWMA) estimates that with cardboard worth more than $100 per ton, carters are losing close to $10 million in revenue annually.
Using the second piece of cardboard, cut out a large circle about 3 inches bigger than the circle in step one.
It is suitable for use as a barrier coating both for cardboard packaging and as an inner packaging component in bag-in-box systems.
"But there is a huge problem with over-charging on cardboard coffins by some companies.
A trial last year - which allowed residents to recycle cardboard - proved very popular, and it was decided that this would be introduced across the borough.
It can include white and grey cardboard such as that used in cereal or tissue boxes and greetings cards, but all plastic and polystyrene must be removed.
Jackson "Jacko" Nesbitt has entertained shoppers for more than 25 years by strumming a makeshift cardboard guitar from his spot in Williamson Square.