Whether for commercial or household items, keeping both
sealed and clean is a necessity when shipping or storing items. Sealing certain
foods also keeps them fresher longer. One method of doing this is with one of a
variety of shrink wrap machines. These machines use both heat and some type of
plastic wrap or sheeting to remove excess air and then seal the plastic around
the item. The type of plastic used will vary with the type of item being
sealed. Anything that will stand up to the heat used can be sealed using these
machines.
The machines vary in size and complexity depending on what
is being sealed, and how much production you need to do. Specialty shrink wrap
machines are available for those who package things such as pharmaceuticals or
vitamins. As these should not be exposed to extreme high temperatures, these
shrink wrap machines use lighter plastic and lower temperatures to seal the
bottles.
Shrink wrap systems with tunnels are the fastest and most
effective way to package a wide variety of products. The L-bar sealer cuts the
film and the heat tunnel quickly shrinks it. These systems can be used with
either PVC or Polyolefin film and are designed to package CDs, DVDs, cushions
for outdoor chairs, and other goods.
A straight bar system, also called I-bar shrink wrap
machines, are designed for low to mid-volume use. The straight bar machine is
used to cut film around a product after which a heat gun shrinks the film.
These are very cost effective and are very easy to use. An example of a product
this could be used on would be frozen pizzas.
Shrink wrap L sealers are capable of quickly cutting film
without the smoke and odor of a standard straight bar sealer. The two-sided cut
provides a better seal and speeds up packaging. These can be used in
conjunction with a heat tunnel or a heat gun.
Heat shrink tunnels are another way of sealing shrink film.
After the shrink wrap is cut and drawn across the package, a conveyor belt
sends it through a tunnel, heating and sealing the shrink film. Systems such as
these can be used to seal meat, vegetables and other fresh foods for storage or
sale. Children's toys such as puzzles can also be sealed this way.
There are many handheld and stand alone heat bag sealers
that are designed to quickly seal bags. Different models are capable of sealing
different size bags. They can be used to seal a variety of bags for food and
other products. Impulse heat sealers include both hand held and countertop
models, depending on the volume being sealed.
There are different brands of each of these machines
available for any type of use. They are useful for storage of household items
either for the season or until the item is needed again. Everyone could find
many uses for shrink wrap machines.
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