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rayon

The first successful man-rnade fiber, rayon was originally called artificial silk. It is made from ceilulose and is weak when wet. Rayon is soft and comfortable and dyes well, but is weakened by exposure to sunlight. ßecause of its low wet strength, rayon may shrink or stretch unless treated. fwo main processes are used in this country to produce rryon: viscose process and cuprammonium process. Several different rnodificatiorrs of these types of rayon are being made and consist of the following. See cellulose.