Shrink wrap

Grocery vegetables wrapped with a plastic shrink film.
Shrink wrapped ball of twine

Shrink wrap, also shrink film, is a material made up of polymer plastic film. When heat is applied, it shrinks tightly over whatever it is covering.[1][2][3] Heat can be applied with a handheld heat gun (electric or gas), or the product and film can pass through a heat tunnel on a conveyor.

  1. ^ Cite error: The named reference p4188443 was invoked but never defined (see the help page).
  2. ^ US4801652A, Mizutani, "Heat shrinkable film", published 1989 
  3. ^ US3662512A, Zelnick, "Method and apparatus for shrink-film wrapping a pallet load", published 1972 

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