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Premier Stand Up Pouch Supplier | ESP Packaging
Stand up pouches are a relatively new form of packaging that have advantages in many aspects such as improving product quality, enhancing shelf visual effects, being portable, convenient to use, fresh-keeping and sealable.
The stand up pouch is made of PET/foil/PET/PE structure laminated. It can also have 2 layers, 3 layers and other materials of other specifications. Depending on the different products packaged, an oxygen barrier protective layer can be added as needed to reduce the oxygen permeability. , extend the shelf life of the product.
ESP is a leading in doypack for over 10 years, our products are widely export to U.S. ,Asia and Middle East Marketing. ESP offer you high quality stand up pouches to booming your business!
Our advantage on doypack are:
- Custom print with logo up to 10 colors
- Free exist sample delivery for reference
- MOQ from 100 pcs for a start with digital print
Read before your start to buy a Doypack
The Doypack is considered a classic of modern packaging and a relatively new form of packaging. It has certain advantages in improving product quality, enhancing shelf visual effects, being portable, easy to use, waterproof, moisture-proof, oxidation-proof, and sealable. . The types of doypack can be divided into five types: ordinary stand up pouches, spout pouches, zipper bags, imitation mouth stand up bags, and special-shaped stand-up pouches. Mainly used in juice drinks, condiments, clothing, hardware and electronics, detergents, cosmetics and other products.
What's a doypack?
A Doypack(stand up pouch ) refers to a flexible packaging bag with a horizontal support structure at the bottom. It can stand on its own without relying on any support and regardless of whether the bag is opened or not.
The English name of the Doypack originated from the French Thimonier Company. In 1963, Mr. M. Louis Doyen, then CEO of the French Thimonier Company, successfully applied for a patent for the Doypack stand-up bag. Since then, doypack has become the official name of the stand-up bag. to date.
By the 1990s, it was widely recognized in the American market, and then became popular all over the world.
Basic Information of stand up pouch
| Item | General Descripition |
|---|---|
| MOQ | 100 Pcs by Digital Print, 10K Pcs by Gravure Print |
| Size | 70*110+25mm(Min) 320*450+120mm(Max) |
| Material | BOPP/PET/NY+PET/AL/PETAL/Kraft Paper/+LLDPE/CPP |
| Thickness | 70Mircons-200Mircons (2.5Mil-8Mil) |
| Function | Punch Hole, Handle, Valve, Ziplock, Spout |
| Printing | D-Met Printing, Vanishing, Matte Finishing, Stamping |
Below are some stock sizes, customized sizes are welcome. Please contact ESP free for custom size stand up pouch you need.
| Volume(ml) | Size/mm LxH | Bottom/mm |
|---|---|---|
| 40 | 60x120 | 22 |
| 60 | 70x130 | 23 |
| 100 | 810x130 | 26 |
| 200 | 100x150 | 32 |
| 250 | 100x170 | 32 |
| 330 | 110x205 | 35 |
| 500 | 115x225 | 36 |
| 600 | 130x230 | 40 |
| 750 | 130x265 | 40 |
| 1000 | 150x290 | 46 |
| 2150 | 250x300 | 50 |
| 3250 | 260x325 | 60 |
Classification of stand up Pouches
Ordinary stand up pouch
That is, a general form of stand-up pouches, which adopts four-edge sealing form and cannot be re-closed and opened repeatedly. This kind of stand-up pouch is generally used in the industrial supplies industry.
Spout Pouch
The stand-up pouch with a nozzle is more convenient for pouring or absorbing the contents. At the same time, it can be re-closed and opened repeatedly. It can be considered as a combination of the stand-up bag and the ordinary bottle mouth.
This kind of stand-up pouch is generally used in daily necessities packaging and is used to contain liquid, colloid, and semi-solid products such as beverages, shower gel, shampoo, tomato sauce, edible oil, jelly, etc.
Stand Up Zipper Pouch
Zippered stand-up pouches can also be re-closed and opened repeatedly. Since the zipper is not closed and has limited closing strength, this form is not suitable for packaging liquids and volatile substances.
imitation mouth stand up Pouch
The mouth-like stand-up bag combines the convenience of a stand-up bag with a suction nozzle and the cheapness of an ordinary stand-up bag. That is, the function of the suction nozzle is realized through the shape of the bag itself.
However, mouth-shaped self-standing bags cannot be opened repeatedly, so they are generally used in the packaging of disposable liquid, colloid, and semi-solid products such as beverages and jelly.
Shaped stand up Pouch
That is, according to packaging needs, new self-standing pouches of various shapes are produced based on changes in traditional pouch shapes, such as waist design, bottom deformation design, handle design, etc. It is the main direction for the value-added development of stand-up pouches.
With the progress of society, the improvement of people’s aesthetic level and the intensification of competition in various industries, the design and printing of stand-up bags have become more and more colorful, with more and more forms of expression. The development of special-shaped stand-up pouches has gradually replaced the status of traditional stand-up pouches. the trend of.
Application of Stand Up Pouches
Most people wonder if they can use stand-up pouches to pack food products besides other solid products like cereals.
The answer is Yes.
You’ll never regret purchasing ESP packaging pouches be if you’re a consumer or a business owner.
Stand-up pouch packaging is mainly used in juice drinks, sports drinks, bottled drinking water, smokable jelly, condiments and other products.
In addition to the food industry, the applications of some detergent products, daily cosmetics, medical supplies and other products are also gradually increasing.
Two application examples of stand up pouches
1. The successful application of special-shaped stand up pouches
The function of the zipper/bone strip is also to facilitate multiple unsealing and use. But the difference is that the repeated sealing method is a zipper/bone strip, so this type of design is not suitable for packaging liquids, but is used for packaging some dry items, such as: clothing, hardware accessories, candies, dried fruits, chocolate, biscuits, Jelly, tea, etc.
2.The successful application of spout pouch
Nowadays, people’s living standards are constantly improving, and more and more people are accustomed to using laundry detergent instead of laundry powder for washing. Because laundry detergent is convenient and fast, there is no need for repeated cleaning, saving time, effort and water. Laundry detergent packaging mainly comes in bags and cans. The packaging requirements for bagged laundry detergent are higher than ordinary flexible packaging. The requirements for bag firmness, ability to withstand corrosion and penetration by liquids and pressure from heavy objects, resistance to drops and scratches, transportation safety and shelf display effects are all more stringent.
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Three common quality problems with stand up Pouches
1. Leakage of stand up pouch
The main reasons for leakage of stand up puoches lie in composite material selection and heat sealing strength.
1).Selection of materials
The material selection of the stand up pouch is very important to prevent leakage. The purpose is to improve the peeling strength between the outer layer and the middle barrier layer, the barrier layer and the heat sealing layer material, and the heat sealing strength of the pouch. Therefore, it is required that the surface tension of the composite surface of the film must be greater than 38 dyn/cm; the low-temperature heat sealing performance of the inner heat-sealing film must be better, and the surface tension of the heat sealing surface must be less than 34 dyn/cm; in addition, ink with good connection performance and high content must be selected. Adhesive with low solid content and low viscosity, high purity organic solvent.
2).Heat sealing strength
Low heat sealing strength is also one of the important factors affecting the leakage of stand up pouches. When heat sealing, the matching relationship between heat sealing temperature, heat sealing pressure and heat sealing time must be adjusted. In particular, attention should be paid to exploring the heat sealing temperatures of pouches with different structures. Because different types of plastic films have different melting points, the heat sealing temperatures are also different. The heat sealing pressure should not be too large, and the heat sealing time should not be too long to avoid degradation of macromolecules. The layer is sheared by the heat sealing knife in the high-temperature molten state, causing the sealing strength to decrease. In addition, the four-layer sealing at the bottom of the stand up pouches is the most critical part. The heat sealing temperature, heat sealing pressure and heat sealing time can only be determined after sufficient testing and verification.
In the actual production process, leakage tests should be conducted on stand up pouches according to different requirements of the contents. The simplest and most practical method is to fill a certain amount of air into the pouch, heat-seal the mouth of the pouch, put it into a basin filled with water, and squeeze different parts of the pouch with your hands. If no bubbles escape, the bag is The sealing performance is good; otherwise, the heat sealing temperature and pressure of the leaking part should be adjusted in time. Stand up pouches containing liquid should be treated with caution. You can use the squeeze and drop methods to detect whether they are leaking. For example, fill the pouch with a certain amount of water, seal it, and test it according to the GB/T1005-1998 pressure test method. The drop test method can also refer to the above standards.
2. Pouch shape is uneven
Flatness is one of the indicators to measure the appearance quality of packaging bags. In addition to material factors, the flatness of the stand up pouch is also related to factors such as heat sealing temperature, heat sealing pressure, heat sealing time and cooling effect. If the heat sealing temperature is too high or the heat sealing pressure is too high or the heat sealing time is too long, it will cause the composite film to shrink and deform. Insufficient cooling will result in insufficient shaping after heat sealing, which will not eliminate the internal stress and cause wrinkles in the bag. Therefore, the process parameters should be adjusted and the cooling water circulation system should be ensured to work properly.
3. Poor symmetry
Symmetry not only affects the appearance of the stand up pouch, but also affects its sealing performance. The most common asymmetry of stand up pouches is often reflected in the bottom material. Improper tension control of the bottom material will cause the bottom round hole to deform or wrinkle due to mismatch with the main material tension, and the heat sealing strength will be reduced. When the round hole of the bottom material is deformed, the unwinding tension should be appropriately reduced, and the waiting time should be increased during heat sealing to make corrections so that the intersection of the four layers at the bottom of the pouch is fully heat-sealed. In addition, bag asymmetry is also related to factors such as photoelectric tracking, discharging, cursor design, rubber roller balance, and synchronization of stepper motors or servo motors. This problem should be solved during specific operations according to different products and different pouch making equipment.
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