A Guide to Heat Shrink Film

Shrink Film – a fabric made up of polymer plastic film. When heat is utilized, it shrinks tightly over whatever it is covering. There are a selection of makes use of for Shrink wrap and shrink film. Some typical applications of shrink wrap are for wrapping food, gift baskets, boxes, toys, books, soaps, etc. Under is a breakdown of the two most commonly used types of shrink.

PVC Shrink Film – A type of shrink wrap used for a variety of applications. The PVC stands for Polyvinyl chloride. Polyvinyl chloride is the third most-produced plastic in the world. PVC shrink wrap was the most commonly used shrink film until changed several years ago by polyolefin (POF) shrink wrap.

Common Makes use of of PVC Shrink Film – PVC shrink wrap uses embody packaging boxes, CD and DVD packaging, software, small canisters, and other non-edible items.

Drawbacks of PVC Shrink Film – Sealing Strength, storage points, and sealing by-products are common drawbacks of PVC Shrink Wrap. The plasticizer in PVC Shrink wrap hardens in cold conditions and softens under hot conditions, subsequently compromising the power of the seal and the plastic. PVC shrink wrap additionally releases small quantities of hydrogen chloride into the air and carbon deposits onto the sealer. Proper ventilation is required when sealing PVC shrink wrap.

Polyolefin Shrink Film – A type of shrink wrap that has develop into the wantred choice for packaging products, both edible and non-edible. Polyolefin Shrink wrap is choosered for a wide range of reasons, including fewer odors when sealed, stronger seal, and more flexible storage. Polyolefin shrink films do not have any chlorine; therefore, they don’t produce hydrogen chloride gas. Polyolefin shrink wrap doesn’t have any plasticizers, so the temperature shouldn’t be an issue. Polyolefin might be stored in a wide range of temperatures and doesn’t harden and soften in numerous environments like PVC shrink film.

Widespread Makes use of of Polyolefin Shrink Film – Polyolefin shrink film is used for almost every kind of application. Applications embrace toys, sporting goods, printed wrap, foods, stationery, and cards, just to name a few.

Drawbacks of Polyolefin Shrink Film – Price and machine compatibility are the 2 significant drawbacks of Polyolefin shrink film. Polyolefin is commonly more costly than PVC shrink wrap. Many packagers favor PVC because of this reason. There are types of polyolefin shrink wrap which can be more compatible with machines, but Polyolefin machine compatibility has been an issue of packagers.

Cross-Linked Polyolefin Shrink Film – Irradiation is utilized to plain polyolefin shrink film to make the film stronger, and capable of higher seal strength. Cross-linked shrink film is sterile, and FDA approved for direct meals contact. It offers glorious clarity to display packaged products. To view in detail about making and the history of cross-linked shrink film view, our blog submit titled What is cross-linked shrink film.

Cross-linked shrink film additionally leaves less residue on sealers, promoting longer sealing blade or wire life. Cross-linked shrink film is made to be used with high-velocity machines and high output operations.

Common Makes use of of Cross-Linked Polyolefin Shrink Film – Cross-linked shrink film is used with the identical products as commonplace polyolefin shrink film. The cross-linked film is usually used in high output operations. It can also be used for heavier products; a traditional polyolefin shrink film cannot accurately package.

Drawbacks of Cross-Linked Polyolefin Shrink Film – Cross-linked shrink film requires higher seal and shrink temps than a normal polyolefin shrink film. Higher temps can damage and deform products sensitive to heat. Higher seal and shrink temps. additionally, require higher energy costs.

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