An ice pack or gel pack is a portable plastic bag filled with water refrigerant gel or liquid for use the contents are frozen in a freezer.
Cool gel pack ingredients.
The more alcohol you use the softer the pack will be making it more gentle on injuries than an ice pack.
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They re used for a variety of purposes including shipping muscle warmth or cooling and school lunches.
Both ice and other non toxic refrigerants mostly water can absorb a considerable amount of heat before they warm above 0 c due to the high latent heat of fusion of water.
Mix then seal in a freezer bag then encase in a second bag.
The instant cold gel pack combines the benefits of both types of cold packs.
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Often times they work equally well as hot packs.
Generally comprised of three compartments the ingredients are mixed together when the barriers are broken.
The ingredients create an instant cooling effect just like the instant cold packs and form together into gel.
Water has a high latent heat capacity which makes it an ideal heat reservoir for keeping food drinks and injured body parts cool.
Place in the freezer.
The stuff inside them isn t dangerous and is designed to change with temperatures.
Though the composition varies by brand the water is usually supplemented with either hydroxyethyl cellulose or silica gel coated with vinyl to keep the water from.
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