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Summary Of: Paper
The earliest recorded forms of paper were in use in Egypt in around 3500 BC... True paper is believed to have originated in China in approximately the 2nd century AD... The use of paper spread from China through the Islamic world... Mechanised production of paper in the early 19th century caused significant cultural changes worldwide... Paper is a versatile material with many uses... province suggest that paper was in use by the ancient Chinese military more than 100 years before Cai... true paper without writing has been excavated in China dating to the reign of... Although paper used for writing became widespread by the 3rd century... paper continued to be used for wrapping... Paper on which there are quotations or commentaries from... wrote of the curious Chinese tradition of toilet paper in AD 851... Toilet paper continued to be a valued necessity in China... 000 sheets of toilet paper for the entire court... the amount of toilet paper manufactured for modern... paper was folded and sewn into square bags to preserve the flavor of... colored paper cups and paper napkins of different size and shape... but paper money bestowed as gifts to deserving government officials were wrapped in special paper... Paper spread slowly outside of China... The paper was thin and translucent... speculate that paper was a key element in cultural advancement... The first paper mill in Europe was in... The oldest known paper document in the West is the... Paper is recorded as being manufactured in both... driven paper making machines in the 19th century... paper making machine became the basis for most modern papermaking... was granted a patent for a continuous paper making machine in 1799... wood based paper caused a major transformation of the 19th century economy and society in industrialized countries... Cheap wood based paper also meant that keeping personal diaries or writing letters became possible and so... based paper was acidic due to the use of... Documents written on more expensive rag paper were more stable... but also causes paper made from this pulp to yellow and become brittle over time... bonds in the paper can be broken and fibres separated again... Most recycled paper contains a proportion of virgin fibre in the interests of quality... change paper made within the paper mill which then goes back into the manufacturing system to be repulped back into paper... specification paper is not sold and is therefore often not classified as genuine reclaimed recycled fibre... most paper mills have been recycling their own waste fibre for many years... This waste is generated outside the paper mill and could potentially go to landfill... this is fibre from paper which has been used for its intended end use and would include office waste... As the vast majority of this paper has been printed... it will either be recycled as printed paper or go through a de... which improve the characteristics of the paper for printing or writing... or applied to the paper web later in the manufacturing process... After the paper web is produced... of papermaking this was done by hanging the paper sheets like laundry... heat produced by these can easily dry the paper to less than 6... The paper may then undergo... Paper at this point is... paper has a thin layer of material such as china clay applied to one or both... The paper is then fed onto reels if it is to be used on web printing presses... The fibres in the paper basically run in the machine direction... All paper produced by Fourdrinier... pattern that has the same density along the paper grain and across the grain... paper can be created by the use of appropriate rollers in the later stages of the... Wove paper does not exhibit... which are small regular lines left behind on paper when it was handmade in a mould made from rows of metal wires or bamboo... Paper can be produced with a wide variety of properties... by transportation of the paper from the place where it is written or printed to the place where it is... Card and paper stock for craft use comes in a wide variety of textures and colors... Card and paper stock for craft use comes in a wide variety of textures and colors... The thickness of paper is often measured by the caliper... Paper may be between 0... Paper is often characterized by weight... the weight assigned to a paper is the weight of a ream... before the paper is cut into the size it is sold to end customers... paper weighs 5 pounds... printing paper is generally 20 lb... paper was made from passing a fiber and water slurry through a screen at the bottom... made a sheet of paper that was exactly 8... Printing paper is generally between 60 g and 120 g... ream therefore depends on the dimensions of the paper and its thickness... of paper ranges from 250... Printing paper is about 800... as a coating for paper in high grease applications such as popcorn bags... paper in French or German... Encyclodia Page On: Paper
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