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What do acid free and lignin free mean?

April 26, 2017acid Free lignin mean

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What do acid free and lignin free mean?

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Acid free means that a material has a pH level of over 7.2. Acids in paper can, over time, start to degrade the paper. The acid can then migrate from the paper to the fabric of the gown. Lignin is the fiber in the gown, which allows it to stand up. It is the second largest component of the wood part of a tree, with cellulose being the principal component.