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Flexible Packaging Solutions Blog

How to Measure a Stand-Up Pouch

Posted by on Mon, Apr 6th, 2015 at 2:41 pm

To measure stand up pouches you begin with the width followed by the height and bottom gusset.

The bottom fold is called the bottom gusset; this is measured when the bag is lying flat and unfilled. You take the measurement from the bottom gusset up to the top fold. 2 to 3 inches is a typical bottom gusset in a small stand up pouch, which will open up to 4 to 6 inches respectively when you fill with product.

Many stand up pouches have a re-closable closure at the opening. You need to take this lip into consideration when measuring because it is above the seal or closure and is not part of the fill-able area; you do this by measuring the distance from the opening to the closure.

A good optional feature on pouches is a tear notch at the top of the pouch; this is used for an easy open of the standup pouch.

Any questions give us a call; we will be glad to help with your sizing and design.

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Why pellet fuel companies should use pallet covers

Posted by on Mon, Apr 6th, 2015 at 1:59 pm

Storage of Pellet Fuel is very important.

Once wet, the compressed wood will swell, soak up the water and become unusable in your pellet stove. You’ll have a bag of very heavy sawdust. Wet pellets are attractive to insects, they tend to make homes in the pellets which can ruin the pellets and reduce the effectiveness.

Wet pellets are also favorable breeding ground for mold and other similar species.

It is very important to keep wood pellets protected from the environment. It is beneficial to keep wood pellets off the ground and on pallets. Pallet covers can be designed to fit every possible load size, they can also have UVI (ultraviolet inhibitors) prolong the life of pallet covers when exposed to lengthy periods of sunlight. Additional protective barriers can be stretch hood film, which provides weather resistance, load retention, puncture resistance, and stretch ability. Stretch Wrap also provides outstanding coverage and enhanced protection with each wrap making it stronger and stronger. Stretch Wraps also can also have UVI protection.

Not only will pallet covers keep your product protected they also act as instant advertising. Printed pallet covers are a great way to advertise your company information while in transportation or storage areas.

Please contact for additional information on how to keep your pellets safe from harsh weather.

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Let’s Stick Together with Velcro® Brand Packaging Closures

Posted by on Mon, Apr 6th, 2015 at 1:57 pm

Tri-Cor’s newest introduction to the flexible packaging world: stand-up pouches with the VELCRO® Brand Packaging Closure.

Close Them Safely. Open Them Fast.

Hook and loop fasteners can be used in a wide range of packaging applications. The easy aligning hooks engage without precise line up, the absolute in user-friendly touch closure. The PRESS-LOK closures is secure with excellent burst strength, a great alternative to zipper and slider fasteners.

Benefits for end-user:

  • Closes with a touch
  • Does not trap moisture
  • Works in hot, cold and even frozen environments (unlike pressure sensitive closures)
  • No precise alignment needed to close
  • FDA compliant
  • Seals through debris
  • Ships flat
  • Designed and engineered for all ages and motor skill levels

This revolutionary new closure system is available now for your next consumer friendly package.

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Fade Resistant Ink and Polyethylene Bags

Posted by on Mon, Apr 6th, 2015 at 1:52 pm

Many printing jobs require inks that are formulated to be fade resistant. Unfortunately, most printed materials exposed to light eventually fade.

There are specific factors that affect the resistance of an ink particle to fade. The two main factors include the size of the particle and the chemicals that go into the particle. Without getting too scientific on you, it all has to do with electrons and the particles ability to hold onto electrons. Light has the ability to change the make up of a particle, releasing electrons from ink particles, thus resulting in fading of the ink and a not so appealing package.

If you use polyethylene bags, sheeting, and pouches that are displayed under indoor florescent lighting or in direct sunlight in store windows or outdoors, you may be interested in fade resistant inks. Fade resistant inks will yield images that resist fading when exposed to UV rays. When ordering your product, explain the nature of the job and its intended end use to your sales representative. Also be sure to make your sales representative aware if the printed job will be displayed outdoors and exposed to weather. This information can help your sales representative determine the amount of lightfastness required to be built into the formation. Fade resistant pigments are quite costly, so you want a sales representative who can help keep your ink costs down by adding the proper fade resistant pigments to ensure the required degree of lightfastness.

The key is to talk to a knowledgeable sales representative and ask for light fast inks to provide top-notch performance with UV ink applications. After all, color is key for many packages and helps your product catch the eye and be recognized. For excellent visual impact a team effort is required among ink manufactures, sales representatives, product manufacturers, and the client.

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Lumber cover, pallet cover

Introducing a New Protective Slip Sheet

Posted by on Mon, Apr 6th, 2015 at 1:42 pm

Tri-Cor is proud to introduce a new protective slip sheet, which decreases stretch wrap and increases load stability. Plastic anti-slip sheets offer a clean, durable, space saving solution for your transport packaging needs, making them an excellent alternative to fiber slip sheets. With protective slip sheets you can decrease stretch wrap cost, increase load stability, interweave your pallets with anti-slip, water-resistant, slip sheets, and receive excellent pallet stabilization for bags or cartons.

Our new protective slip sheets are a lightweight, cost-efficient, waterproof, hygienic alternative to cardboard slip sheets. These slip sheets are reusable and 100% recyclable, deliver superior performance, provide durability, improve hygiene, and are environmentally friendly. They can be used between tiers as a separator sheet. These space saving, impervious to moisture and durable, plastic slip sheets provide simple cost effective solution for keeping the bottom of your products clean.

Details on the new protective slip sheets include:

  • Skid protection sheet
  • Separator (divider) sheets
  • Load/pallet top and bottom cover

Standard Size: 40″ x 48″
Rolls: 75 sheets per roll
Color: Gray
Made from: 100% recycled polyethylene material

Designed to

  • Protect from exposure to the elements as you prevent slippage
  • Protect stacked products our rugged slip sheets are manufactured from 100% recycled plastics
  • Be cut to fit and protect products of all sizes during transport and storage, preventing: scuffing and scratching, discoloration, mold formation, and moisture damage
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Tri-Cor protective anti slip sheets

Pet food industry moving to stand up pouches

Posted by on Mon, Apr 6th, 2015 at 1:36 pm

As we all know, our family pets are a big part of our lives.

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More and more pet food packaging companies are moving to stand up pouches. They want a fresher product and a package that sells. Pouches offer both.

This is what they’re saying:

Consumers are buying more and more of their pet products in stand up pouches than ever before.

Retail chains see pouches as more customer friendly package with resealable zippers. Pouches improve in store shelf presentation. Extending the shelf life of pet foods and treats by sealing in the freshness with impermeable materials.

What’s great about a pouch is you can have a clear window to display the product along with picture perfect graphics to close the sale. Many other features are available, tear notches, zippers, hang holes.

Polyethylene 101: All About Construction and Agricultural “C&A” Sheeting

Posted by on Mon, Apr 6th, 2015 at 1:21 pm

Construction & Agricultural Sheeting, known as C & A sheeting, is a polyethylene sheeting designed for general purpose construction, agricultural, and industrial usage. Whether you need all-weather protection for indoor or outdoor storage; rot, mold, and mildew resistance; protection from moisture, grease, and oil; or a barrier against solvents, acids, or alkalis, C&A industrial sheeting is tough, flexible, lightweight and easy to handle. The following are all the details you’ve ever wanted to know about C&A sheeting.

Basic Uses:

Used in a wide variety of applications. Polyethylene provides an excellent vapor barrier for the protection of concrete slabs and foundations. Proper placement of polyethylene sheeting in walls during construction can almost completely prevent ambient air and moisture infiltration into homes and buildings, thus increasing their energy efficiency. Agricultural applications (black sheeting only) include retention of soil moisture, inhibition of weed growth, and coverage of pit and trench silos for inexpensive storage.

Scope:

Specification covers both black and clear 2, 3, 4, 5, 6, 8, and 10 mil sizes. Most common widths include 10′,12′ 18′, 20′,24′,28′, 30′ and 40′.

Life Expectancy:

Clear polyethylene sheeting is not recommended for greenhouse use or any other application involving long-term exposure to sunlight. Black sheeting is recommended for applications not exceeding 90 days of sunlight exposure. Special additives are available at request for extended outdoor applications up to 2 years.

Shelf Life:

Polyethylene sheeting has a shelf life of approximately 2 years if not exposed to sunlight or extreme heat.

Adhesion:

Due to variety of resins and additives available, it is often difficult to bond two pieces of film together. Two adhesives that have proven to be successful in the past are Universal Adhesives’ Spray Adhesive and DURO All Purpose Spray Adhesive distributed by Loctite Corporation.

Temperature Range:

Usable range for LDPE has been defined as -60 °F to 150 °F.

Recyclability:

This sheeting is rated as a Class 4- LDPE for recycling purposes.

Additional limitations may or may not apply depending on the specific application and product. An experienced and knowledgeable salesman can help answer any other questions. Contact us at sales@tri-cor.com or visit www.tri-cor.com.

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Construction & Agricultural Sheeting
C & A sheeting

Stand Up Pouches Are Becoming More Popular

Posted by on Mon, Apr 6th, 2015 at 1:15 pm

reclosable-ziplock-pouchesIn the packaging world, Stand Up Pouches and Re-Closable Pouches are becoming more popular due to the numerous benefits they provide.

Stand Up Pouches and Re-closable Pouches can be an excellent option for a variety of packaging requirements including, but not limited to, food items (rice, seafood, flour, grain, pasta, cereal, granola, etc), health food items, coffee and tea products, beverage mixes such as chocolate powders, pet food, bird food, pet treats, and non-food items such as grass seed, Tobacco, and healthcare products.

These popular, versatile, and attractive pouches provide the following advantages:

  • Laminations of multiple layers of film… Polyethylene to polyester, polyethylene to nylon, and polyethylene to metalized PET, and more.
  • Fresh products and increased shelf life
  • Superior strength
  • Protective barriers to moisture, odor, and air
  • High visibility with plenty of space for brand building
  • Eye-popping graphics with custom printing
  • Custom sizing to meet specific packaging needs
  • Customer appeal and aesthetic appeal for retail display
  • Ease of use and ideal for storage
  • Convenience with specialty features such as re-closable zippers, tear notches, hang holes, or die-cut handles

With so many benefits, Stand Up Pouches and Re-closable Pouches make the perfect package for a vast array of applications. It’s no wonder these pouches are growing in popularity!

Choose HDPE for your Bag Inserting Equipment

Posted by on Mon, Apr 6th, 2015 at 1:11 pm

HDPE, what is it and what can it do for you?

HDPE, or high density polyethylene film, is a linear polymer prepared from ethylene by a catalytic process. High density polyethylene is just that, a high density closely packed structure with a somewhat higher chemical structure than low density polyethylene (LDPE).

So why choose HDPE?

The advantages alone can answer why. HDPE is an extremely versatile material with advantages such as the non-blocking characteristics in addition to added stiffness, impact and wear resistance, flexibility, chemical resistance, food contact acceptability, processability, and toughness. Another benefit of HDPE is that it is harder, more opaque, and can withstand rather higher temperatures than LDPE. HDPE also has advantages in many machine applications such as Pearson’s automated insertion machines, OK International’s packaging automation systems, and K&R’spolybag inserter systems. These machines place the bags in cases or shipping containers with even cuffs around the flaps.

With LDPE blocking can occur, which stops production and causes downtime, neither of which you want on high-speed packaging lines. However, HDPE homopolymer resins are linear in nature and these HDPE resins exhibit hard, slippery surfaces that resist blocking. Therefore, with HDPE you don’t have stops in production or downtime.The bottom line is that bag inserter lines love HDPE’s non blocking, stiffer film characteristics. And for an added benefit, HDPE has a lower moisture and oxygen transmission rate, which allows for longer product freshness.

If you weren’t aware of high density polyethylene (HDPE) and its advantages before, I bet you’re glad you are now.

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Bag inserter line

How to Measure for a Pallet Cover or Box Liner

Posted by on Mon, Apr 6th, 2015 at 1:07 pm

Determining the size of your polyethylene bag is quite simple. All that is needed are some basic geometry skills.

Pallet Cover

To figure out the size of a pallet cover one must need to know the dimensions of the load. (length X width X depth). Once the load dimensions are known, the following steps can be taken to determine the size of the pallet cover:

  1. To start you should consider your width as the larger of the dimensions. (width or depth)
  2. If a pallet load is 48” wide X 42” deep X 36” high you take the 48 inches and add 4 inches as you do not want a cover that’s too tight. The bag width will be 52 inches.
  3. Now we will add another 2 inches to the depth (42) to get the gusset. The bag thus far is 52 X 44.
  4. To determine the length we need to take the height (36) and add half the depth, since the bag has a seal that will fall in the middle of the top of the pallet. We take our depth of 42 and divide it in half to get 21. Now we add 21 +36 = 57. We also typically add another 2 inches so that the load has some extra coverage.
  5. The final cover dimensions are 52 X 44 X 59.

Box Liner

Determining appropriate box liner dimensions are similar to determining pallet cover dimension except now the bag will sit inside the box rather than covering a pallet.

Let’s take a box that’s 14” length X 12” depth X 21” high.

  1. Add 2” to the width (14”) to give us 16” wide.
  2. Then add another 2” to the depth (12”) to give us 14” depth. Our first to dimensions of the bag are 16” X 14”. This represents the bag width and gusset.
  3. Now the tricky part is determining the bags length. We are going to take the box depth of 12” and add that to the height of 21” to get 33”. Now add 6 more inches so the bag can be tied and closed properly when filled inside the box.
  4. Our final bag dimensions are 16 X 14 X 37.

These are the basic rules, but some Pallet covers and box liners require some adjustments in size depending on the applications.

If you need assistance, just send us your box or load size and we will help with the calculations.