Since 1970 there has been a distinct drop in the tonnage used for paper wrappings and this is attributed to competition from foils, laminates and plastics materials, particularly for fats and snack foods. The major competitors are, of course, high density polythene and low density polythene, both of which provide the right sort of properties for wrapping fats and fatty foods to such an extent that they have made big inroads on the paper wrapper market.
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