An Overview Of The Shrink Wrapping Process

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In our daily life we might have come across products packed in shrink wrapping often times. It has been viewed as a highly effective method for storing and transporting these products without getting damaged. Usually the shrink wrapping is used to defend fragile goods like glasses, Custom printed bread bags DVDs, CDs, tapes, software boxes, foodstuffs, soaps etc. Shrink wrapping is a straightforward method where the shrink wrap film is heated to create a protective seal in the product. The shrink wrapping film can be usually created from PVC or polyolefin.
The shrink wrapping way is same for all products irrespective of size and brittleness. The process is so simple that it may easily be done in DIY (diy) procedure. Some artists do shrink wrapping to safeguard their paintings from dust also to provide it with a professional look. For casual wrappings, you can find the shrink wrap film from retailers and warmth it by means of hair dryer. But if there many products to become wrapped, it would be preferable to select shrink wrapping machines.
Different varieties of shrink wrapping equipments can be purchased that might enable you to perform wrapping process at home or at office. The machines would vary in sizes and function so you will have to pick the most appropriate ones depending on the amount and type of the wrapping. Some machines are created to wrap small such things as CDs and DVDs while other machines are utilized to pack large boxes. They would vary in the speed of packing. Some of them would be designed to wrap only some items in an hour but some types can pack hundreds in an hour. The larger machines tend to be permanently installed but small machines could be portable.
In earlier days, the shrink wrapping were only used by industrial purposes and generally required plenty of manual labor to work it. But with the advent of technology, small wrapping machines can be found for small industries. Commonly two forms of machines are used inside the wrapping process; the L-bar as well as the I-bar machines. For low and medium level of wrapping, I-bar machines would be best suited. They use an individual bar for sealing. The bar is employed to reduce the required wrapping film which is heated using heat gun. In turn the film would shrink and seal them. CDs, DVDs and videotapes are wrapped using this kind of machines and only a few items might be processed a single hour.
For large wrapping process, L-bar shrink wrappers are likely to be used. In this type, the sealer bar would be inside shape of English alphabet 'L'. In an individual pass, the bar cuts the required quantity of film. Further, the film is heated by way of heat gun or heat tunnel and it's also designed to shrink onto the product. For fast shrinking, heat tunnel works more effectively than heat gun. Many L-bar machines would have built-in heat tunnel system. The shrink wrap films also differ in depth, flexibility, clarity and the melt temperature of the film. Polyolefin films are most suited for automated machines and contains high clarity. But the PVC films tend to be tear resistant.