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Characteristics of three tested clothing fibers.
| Fiber types | Composition | Main functional group | Appearance |
|---|---|---|---|
| Natural | |||
| Wool | Cysteine | Thiol, carboxylic acid, amine | Cuticle shape |
| Cotton | Cellulose | Alcohol | Hollow, flat |
| Man-made | |||
| Polyester | Polyethylene terephthalate | Benzene, ester | Smooth, strip |
