May.2024
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3 Side Seal Pouches: The Ultimate Guide


This guide has all information you’re looking for about 3 side seal pouches.

As the name suggests, these pouches are sealed on three sides and only one left open for filling.

Keep reading to learn more about these packaging pouches.

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How 3 Side Seal Pouch compares to 4 Side Seal Pouch

3 side seal pouches have three sealed sides with one part open for filling.

4 side seal pouches have all their four sides sealed.

3 side seal pouches have more packaging capacity than the 4 side sealed pouches.

Since 4 side seal pouches are sealed in all the sides, they have uniformed appearance compared to 3 side sealed pouches.

3 side seal pouches are made from one-piece film while 4 side seal pouches are made from two pieces of film.

3 side seal pouches can be gusseted whereas 4 side seal pouches mostly do not have gusset.

4-sided offer better sealing strength, vacuum finish and product protection compared to 3 side seal pouches.

4 side seal pouches are mostly considered for special packaging as opposed to 3 side seal pouches.

Both 3 side seal pouches and 4 side seal pouches are made from similar materials.

They both have similar packaging characteristics and advantages.

Benefits of 3 Side Seal Pouches

3-side seal pouches have an array of benefits that have revolutionized packaging industry such as:

  1. 3-side seal pouches are versatile packaging solutions that can be used with different products.
  2. They are light in weight compared to the rigid packaging products hence they add a negligible weight to the product.

This in turn does not affect the overall weight hence making transportation inexpensive.

  1. You can easily customize the pouches to fit your needs or product preference in terms of size, color, design, shape.
  2. 3-side seal pouches are made from materials whose major characteristics is excellent barrier against environmental factors.
  3. They have better temperature tolerance hence can be heat sealed without damaging the pouches.
  4. Maintain product freshness for longer due to the aluminum lining in the inner layer.
  5. 3-side seal pouches are made from readily available materials which do not cost much thus are generally inexpensive.
  6. They are user friendly as dispensing products is easy due to availability of different closure options.
  7. The materials are stable hence do not react with any packaged product.
  8. They have been tested and found to be safe for packaging products for human consumption.

Limitations of 3 Side Seal Pouches

3-side seal pouches cannot be recycled due to difficulty in separating the combined material into single layers.

You cannot use most of them in microwaves.

Uses of 3 Side Seal Pouches

3 side seal pouches are used for packaging both food and non-food items.

The food items include; candies, chips-snacks, meat, sugar, green peas, etc. Non-food items include; drugs, beauty cream, seeds, toys, among others.

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Best Material for 3 Side Seal Pouch

Our 3-side seal pouches are made from layered thermoplastics which are bonded together by an adhesive substance such as vinyl acetate.

All our materials are carefully chosen.

Materials must pass through a quality assessment before they can be used in the manufacturing process.

The chosen materials possess qualities such as;

  • Good temperature tolerance.
  • Have great structural strength.
  • Are able to protect against external factors such as moisture, light, dust, bacteria, etc.
  • Fully comply with health and safety measures put in place for the materials.

You can choose up to four film material laminations that best suits your products’ packaging needs.

They include polyethylene terephthalate (PET), foil, kraft paper, polyester (poly), aluminum, nylon, etc.

Some of the layerings we offer are:

  • PET/Poly is very versatile but a bit rigid.
  • Kraft paper/Poly: give a very strong pouch with great mechanical strength. They are also available in brown, white or black colors.

We are a professional zipper bag production factory in China, which can customize various styles of zipper bags and has professional production equipment
Contact
  • ruby@sanpinpack.com
  • +86 18279995465
  • +86 0755-29083610
  • 101,NO.050059.101 B Factory Building,No.6 Yuzhan 3rd Road,Dashuitian Community,Guanlan Street ,Longhua District,Shenzhen.
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