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  2. Ice pack - Wikipedia

    en.wikipedia.org/wiki/Ice_pack

    They can be used as a normal reusable ice pack by storing in a freezer, but they can also be heated in water or a microwave oven to reach the desired temperature. The first hot and cold pack was introduced in 1948 with the name Hot-R-Cold-Pak and could be chilled in a refrigerator or heated in hot water. [3]

  3. Thermal bag - Wikipedia

    en.wikipedia.org/wiki/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. It is used to help maintain the temperature of its contents, keeping cold items cold, and hot items hot.

  4. Zipper storage bag - Wikipedia

    en.wikipedia.org/wiki/Zipper_storage_bag

    A Ziploc-branded storage bag Close-up from a cross section of the sealing mechanism. A zipper storage bag, slider storage bag, zipper bag, ziplock bag, zip-lock bag, ziploc bag, or zippie is an inexpensive flexible rectangular storage bag, usually transparent, made of polyethylene [1] [2] or similar plastic, that can be sealed and opened many times, either by a slider, which works in a similar ...

  5. Individual quick freezing - Wikipedia

    en.wikipedia.org/wiki/Individual_Quick_Freezing

    Inside the freezer, the product travels through the freezing zone and exits the other side. Product transport inside the freezer uses different technologies. Some freezers use transport belts similar to a conveyor belt. Others use bed plates that hold the product, and an asymmetrical movement makes the plate advance by itself through the ...

  6. Refrigeration - Wikipedia

    en.wikipedia.org/wiki/Refrigeration

    Peltier coolers are often used where a traditional vapor-compression cycle refrigerator would be impractical or take up too much space, and in cooled image sensors as an easy, compact and lightweight, if inefficient, way to achieve very low temperatures, using two or more stage peltier coolers arranged in a cascade refrigeration configuration ...

  7. Cold chain - Wikipedia

    en.wikipedia.org/wiki/Cold_chain

    A cold chain is a supply chain that uses refrigeration to maintain perishable goods, such as pharmaceuticals, produce or other goods that are temperature-sensitive. [1] Common goods, sometimes called cool cargo, [2] distributed in cold chains include fresh agricultural produce, [3] seafood, frozen food, photographic film, chemicals, and pharmaceutical products. [4]

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