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Bemberg is a trade name for a type of Rayon or Viscose fiber- essentially a regenerated cellulose. The majority of Rayon comes from trees- hard and softwood- predominantly softwood via a pre-hydrolysis kraft process or HW/SW mixes of the Sulfite process, though a select few producers of Cotton Linter dissolving pulp remain.

Bemberg in particular uses a variation on the viscose process using Copper and Ammonium. Due to the hazards associated with ammonia and copper the production of Bemberg is only found in Italy at present.

simple answer is "probably a tree source"

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13y ago

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