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Cardboard is a generic term for heavy paper-based products. The construction can range from a thick paper known as paperboard to corrugated fiberboard which is made of multiple plies of material. Natural cardboards can range from grey to light brown in color, depending on the specific product; dyes, pigments, printing, and coatings are available.
A combination between a whiteboard and a cork bulletin board Original early 1960s ad for "Plasti-slate", the first whiteboard/dry erase board invented by Martin Heit. It has been widely reported that Korean War veteran and photographer Martin Heit and Albert Stallion, an employee at Alliance, a leading flat rolled steel sheet supplier should be credited with the invention of the whiteboard in ...
The paperboard sector is mainly looked at in conjunction with the paper industry. The Paper & Paperboard market size (2007) had a value of US$630.9 billion and a volume of 320.3 million metric tons. [5] Of that market 40.1% is European. About 50% of all produced paper is used for packaging, followed by printing and writing. [5]
A roll of kraft paper. Kraft paper or kraft is paper or paperboard (cardboard) produced from chemical pulp produced in the kraft process. Sack kraft paper (or just sack paper) is a porous kraft paper with high elasticity and high tear resistance, designed for packaging products with high demands for strength and durability. [1]
The density of hardboard is higher than 500 kg/m 3 (31 lb/cu ft), [4] usually about 800–1,040 kg/m 3 (50–65 lb/cu ft). [5] It differs from particle board and medium-density fiberboard in that the bonding of the wood fibers requires no additional adhesive, the original lignin in the wood fibers sufficing to bond the hardboard together, [ 6 ...
2) Pulp or white recovered fiber 3) Recovered fibre underliner 4) One or more layers of mixed and/or recovered fiber 5) Pulp or white recovered fiber 6) Back coating. White-lined chipboard (also referred to as WLC, GD, GT or UD) is a grade of paperboard typically made from layers of waste paper or recycled fibers.
ANSI Standard Paper Sizes ANSI Paper Size Width x Height (mm) Width x Height (in) Aspect Ratio Closest ISO Size A 216 x 279 8.5 x 11.0 1:1.2941 A4 B 279 x 432 11.0 x 17.0 1:1.5455 A3 C 432 x 559 17.0 x 22.0 1:1.2941 A2 D 559 x 864 22.0 x 34.0 1:1.5455 A1 E 864 x 1118 34.0 x 44.0 1:1.2941 A0
A roll of kraft paper. A precursor of the kraft process was used during the Napoleonic Wars in England. [5] The kraft process was invented by Carl F. Dahl in 1879 in Danzig, Prussia, Germany. U.S. patent 296,935 was issued in 1884, and a pulp mill using this technology began in Sweden in 1890. [6]