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Shrink Film- a material made up of polymer plastic film. When heat is applied it shrinks tightly over whatever it is covering. There are a variety of uses for Shrink wrap and shrink film. Some common uses of shrink wrap are for wrapping food, gift baskets, boxes, toys, books, soaps, etc. Below is a breakdown of the two most commonly used types of shrink wrap
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 replaced several years ago by polyolefin (POF) shrink wrap.
Common Uses of PVC Shrink Film- PVC shrink wrap uses include: packaging boxes, CD and DVD packaging, software, small canisters, and other non-edible items. PVC Shrink film is also works very well with automated machines.
Drawbacks of PVC Shrink Film- Sealing Strength, storage issues, 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, therefore compromising the strength of the seal and the plastic. PVC shrink wrap also 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 become the preferred choice for packaging products both edible and non-edible. Polyolefin Shrink wrap is preferred for a variety of reasons including: fewer odors when sealed, stronger seal, and more flexible storage. Polyolefin shrink films do not have any chlorine; therefore they do not produce hydrogen chloride gas. Polyolefin shrink wrap does not have any plasticizers, so temperature is not an issue. Polyolefin can be stored in a wide range of temperatures and does not harden and soften in different environments like PVC shrink film.
Common Uses of Polyolefin Shrink Film- Polyolefin shrink film is used for almost every kind of application. Applications include: toys, sporting goods, printed wrap, foods, stationary and cards just to name a few.See also:
HG2032000-RT Stretch-Flex Stretch Film Wrap with Extended Core Handles, 20-Inches x 1000-Feet
Home Improvement (Intertape)
Duck Brand HP260 High Performance 3.1 Mil Packaging Tape with Dispenser, 1.88-Inch x 60-Yard, Crystal Clear, Single Roll (393186)
Office Product (Henkel)
Duck Brand Stretch Wrap, 20 Inches Wide x 1000 Feet Long, Single Roll (970700)
Office Product (Shurtech Brands LLC)
Pratt Plus ST.I-15V.20 Polyethylene Standard Bundling Cast Stretch Wrap, 2000' Length x 15" Width x 8.1 microns Thick, Clear
BISS (Pratt Industries, Inc)
Shurtape HP-200C Production-Grade Colored Packaging Tape: 2 in. x 110 yds. (Blue)
Office Product (Shurtape)
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Polaroid no longer makes TimeZero films, but you can find replacement films from the Impossible project:
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