Article: Choosing A Plastic Bag Sealer
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Choosing A Plastic Bag Sealer
Choosing the proper sealer for the job at hand is essential. Choose the wrong one and your packaging operations will grind to a halt.
What you're sealing and how many need to be done per day or per hour will be the determining factors in the sealer you eventually purchase.
The basic types of sealers are single impulse, double impulse and constant heat.
Single impulse units utilize a single piece of Ni-Chrome wire mounted either in the upper or lower jaw of the sealer to produce the desired seal. Single impulse units use either a round wire element or a flat wire element of various widths. Round wire elements are typically used for what is called cut and seal operations such as working with shrink film. Flat wire elements are available in widths ...
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