A shrink tunnel is a type of packaging machinery that supplies heat to shrink wrap. They can be used for industrial, office, and home applications and vary in size. Shrink tunnels are often used in combination with bar sealers and are more sophisticated than shrink wrap guns. They are frequently used in many industries to protect packages during shipping.
A shrink tunnel is a piece of shrink packaging equipment and a type of packaging machinery. It is the part of the machine that supplies the heat to shrink the shrink wrap and is usually a heated chamber that passes on a conveyor belt. Shrink tunnels can be used for industrial applications, for functions in offices and sometimes in the home. They can be small machines built to heat shrink smaller items, or large machines used for large items or heavy shrink wraps.
Generally, shrink machines work by moving the object to be wrapped through the heat tunnel of a shrink machine. Some shrink tunnels are part of automated machines that wrap the object before passing it through the shrink tunnel using a conveyor belt. Other types of shrink tunnels require the user to manually apply the plastic wrap before sending the object through the heat tunnel.
Shrinkage tunnels vary in size and shape, depending on the type of items they need to shrink. When used in the home, they can be as small as a bread maker or as large as a copier, and in industrial applications, shrink tunnel machines vary greatly in size. Large or heavy shrink wrapping equipment is often required in factories that wrap large goods or wrap a substantial number of packages in a short period. These machines can be sold as standalone shrink tunnels or accessories that go on other packaging machines. Shrink tunnels are often used in combination with bar sealers.
A bar sealer may also be known as a bag sealer. Seal the end of a shrink bag before the bank shrinks to product size. Bar sealers are also frequently used in home and professional kitchens as part of a vacuum bag sealing system. Vacuum-sealed food helps preserve its flavor and allows the cook to use a low-temperature method called sous vide.
In some areas of the world, a shrink machine may also be called a shrink film machine. Typically, if a user needs shrink wrap but doesn’t have machinery with a shrink tunnel, they use a shrink wrap gun to heat the shrink wrap until it shrinks. A shrink tunnel is a more sophisticated piece of equipment that causes the wrap to shrink more evenly, creating a sleeker, more professional look than shrink wrap treated with a heat gun.
Shrink wrap is used frequently in many industries. Industrial shrink tunnels can wrap packages as they go down a conveyor belt. Large pallets of boxes are often shrink wrapped before shipping to protect the boxes from theft or loss.
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