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Thermally insulated bag with ice packs Example of a thermal bag Example of a thermal bag. A thermal bag is a type of thermally insulated shipping container in the form of a bag which can be carried, usually made of thermally insulating materials and sometimes a refrigerant gel.
An ice pack Shipment of vaccine in insulated box with gel packs An ice pack or gel pack is a portable bag filled with water, refrigerant gel , or liquid, meant to provide cooling. They can be divided into the reusable type, which works as a thermal mass and requires freezing, or the instant type, which cools itself down using chemicals but can ...
Zima boxes in a Japanese store. Zima Clearmalt is a clear, lightly carbonated alcoholic beverage made and distributed by the Coors Brewing Company or its licensees. Introduced in 1993, it was marketed as an alternative to beer, an example of what is now often referred to as a cooler, with 4.7–5.4% alcohol by volume. [1]
They imported the technology and began making tunnels out of the polystyrene foam. According to son Jay Kramer, workers at the factory discovered the insulating properties of the foam tunnels could be used to keep their lunches hot or cold. Soon after, the company began producing foam ice chest coolers under the Lifoam name in 1954. [5]
Traditionally, evaporative cooler pads consist of excelsior (aspen wood fiber) inside a containment net, but more modern materials, such as some plastics and melamine paper, are entering use as cooler-pad media. Modern rigid media, commonly 8" or 12" thick, adds more moisture, and thus cools air more than typically much thinner aspen media. [26]
A multi-surface cooler is a sub-type of passive cooler. It allows airflow both between the laptop base and cooler, and between the base of the cooler and the user's lap. These laptop coolers are suitable for laptops that have vents on the underside. The multi-surface cooling design typically works on any surface without blocking any vents.