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Listing all posts with label Band Sealers. Show all posts.
  1. Before deciding on a band sealer, ask yourself the following questions.

    This post will discuss whether a band sealer is right for you and what type of band sealer will work best.

    Q:  Do you already have your bag?
    A:  Make sure you have your bag before looking at sealers.  The bag material will determine what sealer will work.

    Q:  Should you purchase a band sealer?
    A:  Our band sealers can seal materials 3mil-10mil meaning band sealers will seal just about any thermoplastic material including PE, PPE, stand up pouches, gusseted bags (used for coffee and tea), and moisture barrier bags.  Because bags are placed on a conveyor system, the width of the bag does not matter. If you are looking for increased efficiency in your packaging process, then we recommend looking into a band sealer.   

    Q:  What is the difference between a horizontal and vertical model?
    A:  Vertical band sealers typically seal small solid products (ex:  powders, grains, coffee) and liquids.  In addition, if your customer will be packaging his/her product using a stand up pouch, a vertical band sealer will work best.  Horizontal models work best when you can lay flat your pouch. 

    Horizontal Version

    Horizontal Version

    Vertical Version

    Q:  Do you want any printing on your bags?  Dry-coding vs. embossing?
    A:  Our band sealers have the ability to emboss or dry ink code bags. Embossingcontinually embosses characters directly on the bag.  Embossing shows up best on foil bags. Dry ink coding prints using a roller with heat activated ink transfers.

    Q:  Is there a preference of production running right to left or left to right?
    A:  Our band sealers can seal in a right to left direction or left to right direction.  Choose the right sealer based on your preferences. 

    We do not carry band sealers, but if you are in the process of looking for a band sealer, please contact us and we can refer you to some distributors.

  2. Continuous band sealers provide the fastest sealing operation with an unlimited length.  Bags are simply fed into sealer while resting on a conveyor belt.  Several models are available with features such as horizontal seal head, vertical seal head, tilting seal head, left or right feed, gas purging, and/or coding and imprinting.

    If you are finding that a hand sealer, foot sealer, or even an automatic sealer is unable to fulfill your production needs, you may need to think about upgrading your packaging equipment to a band sealer.

    Please check out this video for a better idea of how a band sealer works.

  3. Making the right choice when purchasing a sealer to seal your poly bag

    There are many different types of sealers available on the market and choosing the right sealer can be overwhelming.  Before you make a decision, you should have the answer the following questions:

    • What is the width of the opening of poly bag?
    • What is the material of my bag? (polyethylene, polypropylene, nylon, Mylar, coated aluminum foil, etc?)
    • How thick is my material?  (usually quoted in mil thickness)
    • How wide do I want my seal to be? (usually 0mm for cut and seal applications, 2mm or 5mm)

    We provide a short guide on sealer function, size, speed and heating elements to help you make your decision.  Let us know if you have any additional questions.

    Function

    There are two main types of seales:  impulse and or direct heat

    Impulse sealers seal poly bags that require a lower temperature to seal.  Impulse sealers require no warm up time and only used power when the jaw is lowered.  We recommend impulse sealers for any thermoplastic material such as polyethylene (PE) or polypropylene (PP)

    Direct heat sealers seal bags that require higher temperature to seal such as coated aluminum foil, Kraft paper, cellophane, mylar, coated PP, and other materials.  Direct heat sealers maintain constant heat in both jaws and use power as long as the machine is turned on.

     

    Size

     Th size of the sealer depends on the width of the material to be sealed.  We recommend adding one inch to the width of your bag for easier handling.

     

    Speed

      Portable sealers are lightweight, handy and versatile.  Sizes, however, are limited.  We usually recommend portable sealers for irregular packages or limited work space. 

     Hand sealers are the most popular sealers given their simplicity and relatively cheaper cost.  The sealing bar is lowered manually and sizes available are from 4" - 40".  Approximately 6-20 packages can be sealed per minute.

    Foot sealers provide a faster sealing operation than hand sealers.  The sealing bar is pedestal controlled leaving your hands free.  Sizes available are from 12" - 35" and approximately 8-20 packages can be sealed per minute.

    Automatic sealers provide an even faster sealing operation than foot sealers.   Automatic sealers feature a preset time cycle to allow for a fully continuous automatic operation.  Automatic sealers can also be placed in a manual mode and actuated by a food switch.  Sizes available  from 12" to 30" and approximately 20-50 packages can be sealed per minute.

    Band sealers are the most automated sealers available and ideal for high production jobs.  Item to be sealed is placed on a moving conveyor.  Various options such as horizonal or vertical sealing, right or left side feed, coding and imprinting are available on band sealers.

     

    Heating Element

    There are two types of heating elements: round or flat.  In most sealers, the round and flat wire can be interchanged.  Round wire is mainly used for cut and seal applications where no seam is left.  Depending on the width of the flat wire element, sealers are available in 2-3mm, 5mm, 8mm, or 10mm


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