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Bamboo Fiber Under the Microscope

"Bamboo" Fiber

This is a sample of the fiber from a fleece garment advertized as made of "bamboo fiber". This is actually a form of rayon where bamboo was used as the source for the cellulose.

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Up until 2010 rayon produced from bamboo was sold as “bamboo” fiber to stress the “renewable” aspects of the cellulose source. In 2010 the U.S. Federal Trade Commission cited this as false labeling. Rayon or Viscose is a regenerated cellulose fiber. If can be formed from any source of natural cellulose from wood to cotton to bamboo. The US Federal Trade Commission defines Rayon as a manufactured fiber with less than 15% substitution of the hydrogen on the cellulose hydroxyl groups.

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