Best Answer:
Cellophane is a thin, transparent sheet made of regenerated cellulose. Its low permeability (ability of substances to pass through pores) to air, oils and greases, and bacteria makes it useful for food packaging.
Whitman's candy company initiated use of cellophane for candy wrapping in the United States in 1912 for their Whitman's Sampler.
Cellulose film has been manufactured continuously since the mid-1930s and is still used today. As well as packaging a variety of food items, there are also industrial applications, such as a base for such self-adhesive tapes as Sellotape and Scotch Tape, a semi-permeable membrane in a certain type of battery, as dialysis tubing (Visking tubing) and as a release agent in the manufacture of fibreglass and rubber products.
The word "cellophane" has become genericized in the US, and is often used informally to refer to a wide variety of plastic film products, even those not made of cellulose.
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