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Plastic wrap, cling film, Saran wrap, cling wrap, Glad wrap or food wrap is a thin plastic film typically used for sealing food items in containers to keep them fresh over a longer period of time. Plastic wrap, typically sold on rolls in boxes with a cutting edge, clings to many smooth surfaces and can thus remain tight over the opening of a ...
The word Saran was formed from a combination of John Reilly's wife's and daughter's names, Sarah and Ann Reilly. [10] In 1949, Dow introduced Saran Wrap, a thin, clingy plastic wrap that was sold in rolls and used primarily for wrapping food. It quickly became popular for preserving food items stored in the refrigerator.
As additional materials such as aluminum and several types of plastic were developed, they were incorporated into packages to improve performance and functionality. [15] Heroin bottle and carton, early 20th century. In 1952, Michigan State University became the first university in the world to offer a degree in Packaging Engineering. [16]
Bubble wrap Square-shaped bubble wrap for house insulation. Bubble wrap is a pliable transparent plastic material commonly used for protecting fragile items during shipping. . Known for its cushioning air-filled bubbles, it has also become a cultural icon, celebrated for its satisfying popping sound and alternative uses as a stress-relief
Polyolefin or POF shrink wrap is a premium shrink wrap, as it is 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.
Stretch wrap or stretch film, sometimes known as pallet wrap, is a highly stretchable plastic film that is wrapped around items. The elastic recovery keeps the items tightly bound. The elastic recovery keeps the items tightly bound.
Initially, coin wrapping was a manual process. Since the onset of the 20th century, coin wrapping machines have been in use. The earliest patent for a coin wrapping machine was in 1901. By 1910, automatic coin counting machines were in use, which could reject counterfeit coins, wrap coins, and crimp the coin wrapper ends.
Beeswax wrap is a reusable and sustainable alternative to plastic wrap and single-use plastic. [4] It has the ability to counteract environmental issues such as plastic pollution and food waste. [4] Beeswax wrap's main use is food preservation. [2] It is breathable and allows food to stay fresh for longer, reducing food wastage. [2]