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The controvertible fiber name - Bamboo Rayon

Bamboo is labeled as an eco-friendly, renewable fiber source with specific benefits such as antimicrobial qualities, and therefore commands a higher price than average rayon. However, since the fiber is not identifiable as other than rayon it is not legal to call it simply ”bamboo” on the fiber ID label; although in the US it can be called “rayon of bamboo origin” so long as source of fiber is accurate.

Both the US Federal Trade Commission and the ISO generically named Bamboo fiber as Rayon (by USFTC) or Viscose (by ISO), because it is controversial as bamboo fabrics can only be chemically identified as rayon or viscose. It is well known that bamboo is a plant material, and viscose and rayon are manufactured from plant cellulose. All plant-based fibers are celluose-based and hence it is in such great contention. It is certainly possible that fabrics sold as “bamboo” can be made from bamboo-sourced rayon. Making cellulose into rayon is a chemical process in textile spinning. If bamboo is turned into rayon, there is no longer a way to tell what cellulose source the fabric was originated.

It should be extremely difficult if not impossible to develop a test method to distinguish between viscose rayon of bamboo origin and other rayon. As with organic cotton, retailers have to rely on the accuracy of documentation from their suppliers that the fiber actually originated from bamboo. In light of above, naming of bamboo rayon should follow the same way of organic cotton.