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Shrink Wrapping

Shrink wrap, also known as shrink film, is a material made up of Polymer Plastic Film. When heat is applied, it shrinks tightly over whatever it is covering. Heat can be applied with a handheld heat gun, electric or gas, or in a heat chamber or tunnel. The most commonly used shrink wrap is PVC and Polyolefin. It is available in a variety of thicknesses, clarities, strengths and shrink ratios.

PVC is the most used shrink wrap, due to its light weight, and inexpensive capabilities. PVC is durable, and can be used for many different purposes. However, it should be used in a well-ventilated area.

Polyolefin or POF shrink wrap is a premium shrink wrap, as it's extremely durable and versatile. POF is puncture resistant, and has a strong seal strength, which allows it to be used for irregularly shaped items. POF is available in 35, 45, 60, 75, and 100, 1 mil gauges. POF shrink wrap is made from 100% recyclable materials, and is FDA approved. It has great clarity, and a glossy self-appearance, as appearance is critical. POF is great for bundling multiple items together, and has the ability to shrink completely and quickly.

Polyethylene or PE shrink wrap is a form of polyolefin, meaning it's a single monomer formed with the addition of ethylene during polymerization. PE is used in several forms of flexible protective packaging. There are 3 different forms PE can take place in. These include Low-Density Polyethylene (LDPE), Linear Low-Density Polyethylene (LLDPE), and High-Density Polyethylene (HDPE). For shrink wrapping LDPE would be the best choice, as it has a higher strength, and more durability for heavier and larger items. These wraps can also have graphic images printed on them, and LDPE provides the greatest quality. PE gauges can go all the way up to 1200, allowing for a great range of gauges. The disadvantage for PE is that it does not have a great shrink rate, and has lower clarity than other wraps.

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