Cling film is an economical way to seal food products. It is a thing sheet of polymer, generally available as rolls, that are used to wrap food products. Cling films can cling on smooth surfaces and therefore, does not require any adhesive. Besides being used as a protective wrapper in the food industry, cling film is also used to wrap premature babies right after birth.
Shrink wraps are films made from polyolefins, PVC, polypropylene, as well as polyethylene that shrink when heated. Shrink films can be manufactured to either shrink in one direction or in both directions. They can be used to bundle variety of products, or be used as an overwrap in carton boxes. Moreover, they are used to protect houses during flooding or protect vehicles during the shipping process.
Stretch film or stretch wrap is made from linear low-density polyethene and is primarily used as a wrapper. Stretch wrap is highly elastic in nature and can stick to surfaces without the use of any adhesives. Stretch wrap is commonly used to bundle boxes on pallets. They improve the stability and provide a more efficient way to handling loads while protecting it from dust and moisture.