"Cellophane is a thin, transparent sheet made of regenerated cellulose. Its low permeability to air, oils, greases, bacteria, and water makes it useful for food packaging. ...
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Cellophane is highly permeable to water vapour, but may be coated with nitrocellulose lacquer to prevent this.
As well as food packaging, cellophane is used in transparent pressure-sensitive tape, tubing and many other similar applications.
Unlike many other similar materials, cellophane is biodegradable. Production uses carbon disulfide, which has been found to be highly toxic to workers; modern manufacturers do not give any information on worker harms." - (en.wikipedia.org 27.09.2020)