Glossary
Glossary
Glossary - Letter M
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(M) Managed Forest
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A term used to imply the commercial management of the forest to ensure that the forest is sustainable and meets the strict environmental criteria.
(M) Mechanical Pulp
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Any wood pulp manufactured wholly or in part by a mechanical process, including, chemiground wood and chip mechanical pulp. Paper made by this process is opaque and has good printing properties. However, it is weak and discolours easily when exposed to light due to residual lignin in the pulp. End-uses include newsprint printing papers, tissue, towelling, paperboard and wallboard.
(M) Multi-Stakeholder Group
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Is a body of opinion reflecting a wide range of interests.
(M) MIS
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see Management Information Systems.
(M) Machine clothing
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Fabrics of various types employed on a papermachine to carry the paper web and perform other functions. It includes the machine wire and wet and dry felts, which may be composed of natural or synthetic materials.
(M) Machine deckle
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The overall width of the wet web as it leaves the forming zone of the papermachine. Note: often used incorrectly to indicate the width of the web at the dry end of the machine.
(M) Machine direction
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The direction in a sheet of paper corresponding to the direction of travel of the forming surface; the majority of the fibres in the sheet position themselves with their lengths parallel to this direction.
(M) Machine fill
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The width of the papermachine taken up by a making of paper. For reasons of economy it should approach as far as possible the maximum width of the machine. Also known as deckle fill.
(M) Machine finished (MF)
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Any finish obtained on a papermachine. It can refer to either the finish on the sheet as it leaves the last drying cylinder of the machine, or the finish given to a sheet by calendering, but on machine.
(M) Make up
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Preparing and collecting all elements of a page
(M) Machine glazed (MG)
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Paper that has had one side made smooth and glossy by pressing and drying in contact with a very large, heated, polished metal cylinder which forms part of the drying section of the machine (see Yankee dryer). The other side of the paper remains relatively rough.
(M) Machine wire
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The fabric used for converting liquid stock into a formed sheet by permitting drainage of water and retention of the other elements of the stock. It may consist of a woven wire cloth or a plastic or similar fabric that contains a suitable pattern of perforations. including images, text, fonts, folios and graphics.
(M) Make ready
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Time spent preparing a machine to run a specific job. The cost of this non-productive time is normally passed on to the client, unlike down time.
(M) Magnetic Ink Character Recognition paper (MICR)
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Usually a high quality bond paper with good surface characteristics and dimensional stability for printing with magnetic inks for computer sorting.
(M) Management Information System (MIS)
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Computerised modules designed to streamline workflow by providing relevant real time information as a job is going through the press.
(M) Manila Open info
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Originally paper made from pulp produced partly or entirely of manila hemp, but now mostly composed of softwood Kraft pulp. Most frequently employed in industrial uses including the printing industry, especially envelopes.
(M) Market pulp
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Pulp produced for sale on the open market, as opposed to that produced for consumption in an integrated mill.
(M) Matt paper
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A coated paper with a dull smooth finish.
(M) Mechanical paper Open info
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A paper that contains a proportion of mechanically produced wood pulp. These papers enjoy good opacity and caliper, but will yellow with age and tend to be very weak. Newspapers are printed on mechanical papers.
(M) Mill conditioned paper Open info
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Paper that has undergone conditioning at the mill to regulate the moisture content and prevent it warping and curling when exposed to the air.
(M) Misregister
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The appearance of a printed image out of its correct position.
(M) Moisture content
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The amount of moisture in paper, expressed as a percentage of its weight. A moisture content of around 7 to 8% is recommended for printing papers.
(M) Mottle
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The appearance of irregular spots or blotches in a printed area that should be even in colour.
(M) Mould made
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Originally, paper made by hand by the traditional method of paper moulds, usually from rag pulp. Today, mould made papers are high quality grades made on a cylinder mould machine, as opposed to a Fourdrinier or other type of machine, and may be made with or without deckle edges.
(M) Multipart
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Refers to a business form that contains more than one leaf of paper.