Composition
The material is a synthetic-based resin which was originally formulated using the chlorofluorocarbon propellant Freon 12, one of a group of compounds believed to damage the ozone layer. Within a year of Silly String's introduction the United States banned Freon 11 and 12. The manufacturers then changed the formulation to use permitted propellants.
Read more about this topic: Silly String
Famous quotes containing the word composition:
“The proposed Constitution ... is, in strictness, neither a national nor a federal constitution; but a composition of both.”
—James Madison (1751–1836)
“Modern Western thought will pass into history and be incorporated in it, will have its influence and its place, just as our body will pass into the composition of grass, of sheep, of cutlets, and of men. We do not like that kind of immortality, but what is to be done about it?”
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“Every thing in his composition was little; and he had all the weaknesses of a little mind, without any of the virtues, or even the vices, of a great one.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)