Category Archives: Shrink Wrapping

Primer on Shrink Wrapping

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Our latest blog post is a quick primer on shrink wrapping and the full line of equipment Sealer Sales offers for shrink wrapping.

Shrink wrapping is an ideal solution for many types of products in a whole host of industries.  Shrink wrapping provides your package with a crystal clear tamper proof package while protecting your product from moisture and dust.

Shrink wrapping a product

  • Provides a protective barrier from dust, moisture, fingerprints, etc
  • Provides products with a professional and factory fresh appearance
  • Bundles products together if selling multiple items as a set

What is Shrink Wrapping?
Shrink wrap is a plastic film that you can wrap around any object.  Heat is then applied to the surface (via heat gun or shrink tunnel), which causes the plastic to shrink. As it shrinks, it conforms to the shape of your object and seals itself.

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How to Choose a Shrink Wrapping Machine?

Sealer Sales carries a full line of shrink wrapping systems (L-Bar sealers and shrink tunnels) to help you with your shrink wrapping needs.  When it comes to choosing the right machine, there’s a few easy questions to answer to help us identify which machine will work best for your application.

  • What are you packaging? Will this be a retail or industrial application?
  • What are the dimensions of your package – length x width x height?
  • What is the weight of your package?
  • What is the speed you need? Think of how many packages you will need to run.
  • What type of shrink film will be used?
  • What is the gauge of the shrink film?

Download our shrink wrapping machine survey which has a complete list of questions you will want to answer.  Answering these questions will help us identify the appropriate shrink wrapping system and film for you.

How to determine the right film size?

  • Measure the width and height of your product and add 5-10% to the measurement.  This provides you with your minimum shrink bag width.
  • Measure the length and height of your product and add 5-10% to the measurement. This provides you with your minimum shrink bag length.
  • For shrink film (usually sold as centerfold film), take the smallest figure of the two to determine the shrink film size needed.
  • If the size you needs is not available, a larger size can be used because shrink films will shrink up to 40% in all directions

Having these measurements will also now help you what size shrink wrapping machine will work for your product.

We carry a wide variety of machines from the starter units to more automatic systems.   See our comparison guide below of our most popular machines.

Sealer Sales L-Bar Sealer Comparison

Table-Top L-Bar Shrink Wrapping
An L-Bar sealer are designed with two sealing sides which allow you to seal and cut centerfold shrink film in one step.  Our table top L-Bar sealers (YC-series and W-series) are both easy to use.  The L-bar sealers are ideal for small production sizes such as start up businesses. Once you seal your package closed using an sealer, you will need either a heat gun or shrink tunnel in order to complete the shrink wrapping process.

Combo Shrink Wrapping Units
Our combo shrink wrapping units allow you to seal and shrink with one machine.  This is ideal for smaller foot print locations which cannot accommodate larger units.  Our combo units will tend to be a little slower than our other free-standing L-bar sealers.  Please note most of our larger machines will require 220V.  Our SS-48ST unit is a combo unit that is offered in 110V voltage for smaller facilities that do not have 220V available.  Please note that we always prefer 220V for shrink tunnels as this will allow the machine to be more productive and efficient.

Free-Standing Semi-Automatic L-Bar Machines
Our free-standing L-Bar Combo machines will be the most efficient and quickest way to shrink wrap.  We recommend these machines for heavier duty applications.  Our free standing machines are equipped with a dual magnet hold down which removes operator error when correct seal and cool times are selected.  A power discharge conveyor will push the product into the shrink tunnel once sealing process is completed.

Introducing our All-in-One L-Bar Shrink Tunnel Combo

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We are introducing a brand new All-In-One L-Bar sealer with shrink tunnel combo, our LST-1616.

This unique All-In-One L-Bar Sealer and Shrink Chamber is compact and quite the space saver.

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The LST-1616 is designed for easy and quick shrink wrap packaging. Users can produce products that have a factory fresh clean look and feel. The sealer/tunnel combo creates packages that are free from dust, moisture and fingerprints.

The L-bar measures 15.7″ x 15.7″.

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The shrink tunnel is located underneath the L-bar sealer ensuring a small footprint.  The machine dimensions measure 44″L x 28″W x 44″H.

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Why is using an L-bar sealer important for shrink wrapping?

Sealers designed for shrink wrapping will create a seamless seal (i.e. excess material above the seal is cut off).   Once a heat source is applied, and the material shrinks around your product, this will ensure a clean look.

See below and example of what NOT to do….here is a product that used the incorrect sealer to shrink wrap.

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When you shrink wrap, the package should not have any seams visible.  See below:

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If you are planning on shrink wrapping your packages and not sure which sealer works , please contact us or one of our distributors for assistance.

For the month of June, we will be offering 10% off our LST-1616. Use code: PRODUCTOFTHEMONTH

Shrink Wrapping is Back in Full Force!

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Corporations are taking full advantage of fulfillment centers to sell and house their products and our shrink wrapping equipment is ideally positioned to benefit from this trend.

Shrink wrapping a product

  • Provides a protective barrier from dust, moisture, fingerprints, etc
  • Provides products with a professional and factory fresh appearance
  • Bundles products together if selling multiple items as a set

We carry a full line of shrink wrapping machines, film, and tunnels to meet the needs of ALL your customers big or small.    We carry simple starter shrink wrapping kits for small businesses that are just starting out.  Our starter kits include a hand sealer, roll of film, and heat gun.  We also carry automated shrink wrapping systems in which the sealer and tunnel are combined for a one-step seamless operation.

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If you are unsure which equipment your customer will need – fill out the survey and send it back to us.  The most basic information we are looking for is the package dimensions (W x L x H).  Remember that the height of the package is important!

Shrink Wrapping Quick Primer

Why Shrink Wrap?
Shrink wrapping serves to keep the product stable and clean, as well as preventing any opportunity for tampering, which could affect the overall safeness of consumption.

What is Shrink Wrapping?
Shrink wrapping is a cost effective packaging technology which has been adopted across a diverse set of industries including food, beverages and pharmaceuticals. It involves loosely wrapping a  shrink film on the product that is to be packed and subsequently subjecting the package to heat with the help of a shrink tunnel or heat gun. Heat applied results in a snug fit with the product. Shrink tunnels are basically heat chambers that are placed over a conveyor.

How Do You Shrink Wrap?
Shrink wrapping requires 3 basic tools:
#1 – Film (PVC or POF) or bags to wrap your product
#2 – Sealer to seal the film such as an I-Bar or L-Bar Sealer
#3 – Tunnel or Heat Gun to shrink the film around your product

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Check out our previous blog post on how to shrink wrap

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Check out our video demonstration on how to shrink wrap

Shrink Wrapping – Using an I-Bar Sealer

Check out our latest video on using an I-Bar Sealer for shrink wrapping.  An I-Bar sealer allows you to make professional looking packages in seconds with no mess or fuss!

Shrink Wrapping with a Shrink Tunnel

Adding to our Shrink Wrapping 101 post last month, we wanted to demonstrate how a shrink tunnel machine works.  It’s super easy and maintenance free and sooooooooo much faster than using a heat gun!

We have two dial settings:  one for the upper and one for the lower heaters.  Adjust the temperature and speed conveyor to your preference.   Note:  the faster the conveyor, the higher the heat.  Play around with the settings…this may take some trial and error.  Once your settings are set, place your item with shrink wrap packaging on the conveyor and voila!

Check our our video below

Shrink Wrapping 101

Why Shrink Wrap?
Shrink wrapping is an excellent and easy way to package a product without the need to purchase a lot of expensive equipment.   Shrink wrapping provides:

  • Crystal clear sealed packaging
  • Protection from dust and moisture
  • Tamper proof packages

What Do I Need to Shrink Wrap?
All you need to shrink wrap is 

  • Shrink material which comes either as rolls of film or shrink bags
  • Hand impulse sealer (w/round wire), and
  • Heat gun

How Do I Shrink Wrap?

  • Insert your product between the fold of film or into a shrink bag
  • Using your sealer, cut off excess film and seal the ends of your film closed
  • Shrink the film on all sides using a heat gun

How Do I Determine the Right Film?

  • Measure the width and height of your product and add 5-10% to the measurement.  This provides you with your minimum shrink bag width.
  • Measure the length and height of your product and add 5-10% to the measurement. This provides you with your minimum shrink bag length.
  • For shrink film (usually sold as centerfold film), take the smallest figure of the two to determine the shrink film size needed.
  • If the size you needs is not available, a larger size can be used because shrink films will shrink up to 40% in all directions

Need to Shrink Wrap Faster?
If you are looking to shrink fast your product even faster, we have L-bar sealers which cut and seals two sides of the film in one motion.


YC-300HL  – 12″ x 18″
YC-450HL – 18″ x 18″
YC-600HL – 24″ x 32″

We also carry self-contained L-Bar Sealers

W-350L – 14″ x 20″
W-500L – 20″ x 26″

For faster shrinking, we carry a shrink tunnel, CN-4520

   

If you are unsure what you need, please give one of our distributors a call and they can help determine the correct equipment for your needs.