The finished look will not be as clean as a sealer, but the wrap should stay over the product. Tape before heat is applied can help mend the shrink wrap together. PVC shrink wrap bags and a hair dryer will shrink around a product. Yes, heat shrink wrap can be done by yourself with everyday household items, but the finished look is not as professional. Both can be essential in preventing product damage or loss. Heat shrink wrap is a different material that shrinks when heat is applied, often used to protect commercial, retail, and personal products. Stretch film for wrapping pallet loads of products is often called shrink wrap. Shrink wrap is a general term that can refer to many materials. Higher temps can damage and deform products sensitive to heat. It can also be used for heavier products a conventional polyolefin shrink film can not correctly package.ĭrawbacks of Cross-Linked Polyolefin Shrink Film - Cross-linked shrink film requires higher seal and shrink temps than a standard polyolefin shrink film. The cross-linked film is often used in high output operations. Cross-linked shrink film is made for use with high-speed machines and high output operations.Ĭommon Uses of Cross-Linked Polyolefin Shrink Film - Cross-linked shrink film is used with the same products as standard polyolefin shrink film. To view in detail about making and the history of cross-linked shrink film view, our blog post titled What is cross-linked shrink film.Ĭross-linked shrink film also leaves less residue on sealers, promoting longer sealing blade or wire life. It offers excellent clarity to display packaged products. Cross-linked shrink film is sterile, and FDA approved for direct food contact. There are types of polyolefin shrink wrap that are more compatible with machines, but Polyolefin machine compatibility has been an issue of packagers.Ĭross-Linked Polyolefin Shrink Film - Irradiation is applied to standard polyolefin shrink film to make the film stronger, and capable of better seal strength. Many packagers prefer PVC because of this reason. Polyolefin is commonly more expensive than PVC shrink wrap. Applications include toys, sporting goods, printed wrap, foods, stationery, and cards, just to name a few.ĭrawbacks of Polyolefin Shrink Film - Cost and machine compatibility are the two significant drawbacks of Polyolefin shrink film. Polyolefin can be stored in a wide range of temperatures and does not harden and soften in different environments like PVC shrink film.Ĭommon Uses of Polyolefin Shrink Film - Polyolefin shrink film is used for almost every kind of application. Polyolefin shrink wrap does not have any plasticizers, so the temperature is not an issue. Polyolefin shrink films do not have any chlorine therefore, they do not produce hydrogen chloride gas. Polyolefin Shrink wrap is preferred for a variety of reasons, including fewer odors when sealed, stronger seal, and more flexible storage. Polyolefin Shrink Film - A type of shrink wrap that has become the preferred choice for packaging products, both edible and non-edible. Proper ventilation is required when sealing PVC shrink wrap. PVC shrink wrap also releases small quantities of hydrogen chloride into the air and carbon deposits onto the sealer. The plasticizer in PVC Shrink wrap hardens in cold conditions and softens under hot conditions, therefore compromising the strength of the seal and the plastic. PVC shrink wrap was the most commonly used shrink film until replaced several years ago by polyolefin (POF) shrink wrap.Ĭommon Uses of PVC Shrink Film - PVC shrink wrap uses include packaging boxes, CD and DVD packaging, software, small canisters, and other non-edible items.ĭrawbacks of PVC Shrink Film - Sealing Strength, storage issues, and sealing by-products are common drawbacks of PVC Shrink Wrap. Polyvinyl chloride is the third most-produced plastic in the world. PVC Shrink Film - A type of shrink wrap used for a variety of applications. Below is a breakdown of the two most commonly used types of shrink. Some typical applications of shrink wrap are for wrapping food, gift baskets, boxes, toys, books, soaps, etc. There are a variety of uses for Shrink wrap and shrink film. When heat is applied, it shrinks tightly over whatever it is covering. Shrink Film - a material made up of polymer plastic film.
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