A scrap or small piece of cloth. In the papermaking industry, rag refers to cotton or linen cloth used for pulp. Recycled cloth scraps obtained from clothing and household furnishings are called old rag. New rag refers to excess cuttings from the textile industry. Rag produces long, cellulose fibers that make a strong durable paper. High proportions of rag pulp were used for ledger, blueprint, map, and currency papers. Currently many rag papers actually contain Cotton linters instead of rag.
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