PVC Shrink Wrap:
PVC or Poly-Vinyl Cloride is one of the most popular types of shrinkfilm. This type of film shrinks at a low temperature and works great with heat guns. It has a 'crinkly' or brittle texture. While many PVC shinkfilm are FDA approved for direct food contact, they are not popular with food applications because they produce a slightly pungent odor. Colored PVC shink wrap is also available.

Polyolefin Shrink Wrap:
This type of shrink wrap film is composed of a combination of Poylethylene and Polypropylene. It is clearer than PVC shrinkfilm and has a very smooth texture. Some grades of Polyolefin exhibit a 'high slip' factor meaning that they have a very smooth surface and have a low coefficient of friction. Polyolefin film requires a higher temperature to shrink than PVC shrink wrap film and works best with most one step shrink wrap machines, L-bar sealers and fully automatic shrink wrappers. Since this type of film does not give off a pungent order when sealing, it is quite popular for shrink wrapping food and retail products. Thus, most Polyolefin we carry are also rated as food grade shrink wrap for direct food contact.