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Cotton paper is typically graded as 25%, 50%, or 100% cotton. Usually it can be checked by holding the cotton paper up to the light and looking just below the watermark for a number. 100% cotton paper may contain small amounts of acids, and should be tested or certified before use for archival documents.
Fine art papers are usually made of rag pulp (100% cotton being the most common) but may also have an alpha-cellulose base. Some fine art papers are mold made, while others are machine made, and may vary considerably in surface texture. Many fine art papers are available in pre-cut sheets or in rolls.
The process started with paper made from cotton rags. Before the processing of wood pulp and chemical wood pulps in the mid-19th century, the dominant fibre source for paper making was cotton and linen rags. The cotton rag sheet produced for conversion to vulcanized fibre is made like a sheet suitable for saturating.
Museum mat or rag mat – Still a good quality choice for conservation, it is constructed of cotton linters (short cotton fibers) [7] and cellulose (wood pulp) middles. The cellulose is a less expensive raw material but offers sufficient conservation properties for most works.
Cotton paper: Cotton paper texture This is made from 100% cotton fibers, making it one of the most luxurious and expensive types of paper. It is known for its strength, durability, and high opacity. Cotton paper is often used for high-end printing and writing applications, as well as for greeting cards, stationery, and other special projects.
Paper made from wood pulp is not necessarily less durable than a rag paper. The aging behaviour of a paper is determined by its manufacture, not the original source of the fibres. [ 27 ] Furthermore, tests sponsored by the Library of Congress prove that all paper is at risk of acid decay, because cellulose itself produces formic, acetic, lactic ...
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[28] [29] 100% cotton or a combination of cotton and linen pulp is widely used to produce documents intended for long-term use, such as certificates, currency, and passports. [30] [31] [32] Today, some groups advocate using field crop fibre or agricultural residues instead of wood fibre as a more sustainable means of production. [citation needed]
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