US Patent 7172815 Low gauge stretch wrap film

Stretch wrap films are used to hold goods to pallets during storage and shipping. A multilayer stretch wrap film with at least one outer layer of polypropylene and other layers of blends of polyethylenes. The film of the present invention optimizes physical properties enabling the film to have sufficient cling while creating a tolerable noise level upon unwinding. The optimized properties include good clarity, high load containment, high puncture resistance, high stretch and good tear resistance.