Graphic Design & Printing Technology

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Graphic Design & Printing Technology

well as uncoated and finished paper with coated surface are wood free paper.
Paper containing wood is produced by using high proportion of ground wood
pulp and lignin so that it yellows quickly. Newsprint and magazine paper are
examples.
Paper containing waste paper (recycled paper) are those with 100% recycled
and secondary fibers. They are used to make paper for simple boards, folding
box card, newsprint etc.
Paper containg rag (textiles, linen, hemp fibers etc.) is used for manufacturing
security materials like banknote paper, document paper etc.
Coated paperare papers coated on both side which are suitable for best quality
web-offset, sheet-fed and gravure printing. Examples are Light Weight Coated
paper(LWC)- (paper with gramage upto 72g/m^2 ), Medium Weight Coated paper
(MWC)- Paper with grammage ranging from 80-130g/m^2 ), original coated art
paper, cast-coated paper (paper with mirror or glossy finish surface with
grammage ranging from 70-400g/m^2 )
Card(cardboard) is a tubular material consisting of plant fibers.The grammage
of cards vary between 150g/m^2 to 600g/m^2
Boards are products of simple raw material such as ground wood pulp and
secondary fibers and has a grammage over 600g/m^2. Straw board and Mill
board are examples.
Paper classifications are used to identify and categorise different types of paper.
The five classifications of paper are business paper, book paper, cover paper,
bristol paper, utility paper.


Business paper


It includes sheets commonly found in business world. The basic size of all
business papers is 17” X 22”. Most common categories of business papers are
bond paper, carbonless bond paper, envelope paper and safety paper.


Bond paper:- papers which are used for letter heads, stationery, business forms,
writing, typing and photocopying.


Carbonless bond paper:- papers coated with microcapsules that, under pressure,
transfer an image to a sheet or sheets underneath it. They are used to transfer
and copy written, printed or typed images between sheets. There are three
types of carbonless paper - coated back, coated front and back, coated front.


Envelope paper:- papers used to manufacture envelopes. They have enhanced
burst, fold strength, opacity and ability to be gummed and moistened with a
minimum of curl.

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