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What causes vacuum packaging bags to inflate during storage?

Recently, several clients have reported that after upgrading their packaging, many of their packaged bags showed a significant increase in the number of air pockets and a significant decrease in vacuum after two weeks, seriously affecting product quality. What should be done? Today, Shunxingyuan Packaging, a professional flexible packaging manufacturer, will analyze the causes and solutions of bag swelling during storage based on its own experience.

2019-05-24

How is the shelf life of food on food packaging bags calculated?

GB7718-2011 defines shelf life as follows: The period during which prepackaged food maintains its quality under the storage conditions specified on the label. Within this period, the product is fully suitable for sale and retains its inherent qualities, whether or not specified on the label.

2019-05-23

The packaging bag properly controls the ripening process, ensuring product quality!

Curing, also known as solidification, is the process of placing the already-laminated film into a drying room (curing room) to promote the cross-linking reaction of the main agent and curing agent of the polyurethane adhesive and to volatilize and remove the solvent remaining in the film. Shunxingyuan Packaging, a professional flexible packaging manufacturer, believes that curing is a crucial process in the production of composite packaging bags and a major factor affecting the quality of printing and lamination. Therefore, today we have specially compiled an analysis of Shunxingyuan Packaging's skills in controlling the curing process to help production enterprises choose better quality composite packaging bags.

2019-05-22

Customizable packaging bags, the sophistication of big brands, now available to you!

In the eyes of consumers, packaging is only infinitely creative, not eternally classic. Having a delicate appearance, individual styling, innovative design, unique brand logo, and more environmentally friendly packaging are reasons to choose a product.

2019-05-20

Common problems such as bloating, fogging, and fish eyes in packaging bags, and solutions

During the shrink wrapping process, some problems are often encountered, such as air bubbles, fogging, and fish eyes in the shrink film. These problems can be corrected by adjusting the machine settings. The most common methods are adjusting the temperature, air circulation speed, conveyor belt speed, number of vents, and size of the shrink film of the packaging machine.

2019-05-18

Several misconceptions about plastic packaging bags that you should know

Currently, there are many misunderstandings in society and online regarding the safety and hygiene of plastic packaging bags. Today, Shunxingyuan Packaging, a professional flexible packaging manufacturer, has chosen to explain some representative statements one by one, hoping to alleviate everyone's concerns.

2019-05-16

If your food packaging bags achieve these points, your products will sell like hotcakes!

For a long time, we believed that food quality was paramount, and packaging was secondary, as even the most exquisite packaging would eventually become waste. However, with the continuous improvement of people's living standards, education levels, and aesthetic abilities, their demands for food have extended from quality to packaging.

2019-05-15

Applications and development of stand-up pouches in the flexible packaging industry, a must-read!

People's purchasing power for fast-moving consumer goods (FMCG) continues to grow, and the rapid development of the FMCG market has also driven the rise of the flexible packaging industry. Today, the types and uses of packaging bags are very extensive. Good packaging can also establish a high-quality image for products, enhance product competitiveness, and thus promote product sales.

2019-05-14

50 FAQs on Packaging Bag Quality Management, you will definitely find it useful

We have asked others about some quality issues, and some quality issues have been asked by others. Shunxingyuan Packaging, a professional flexible packaging manufacturer, has specially compiled 100 frequently asked questions about quality management. Let's test yourself. Can you answer all these questions? It is recommended to collect!

2019-05-13

Mechanical property testing methods for packaging bags and plastic films

Reliable mechanical properties are a basic indicator of the best protection that flexible packaging provides to its contents. If the mechanical properties of flexible packaging do not meet the standard, it is easy to be damaged during use, which may lead to leakage of the contents.

2019-05-11

Selection and Precautions for Vacuum Packaging Bags

When discussing vacuum packaging bags, the first thing to discuss is the material of the vacuum packaging bag. The following are the characteristics of various materials suitable for vacuum packaging: PE is suitable for low-temperature use; RCPP is suitable for high-temperature steaming and cooking; PA is used to increase physical strength and puncture resistance; AL aluminum foil is used to increase barrier properties and light shielding; PET increases mechanical strength and makes the shape more rigid; EVOH has high barrier properties. Then, according to the needs, various properties are combined. There are also transparent ones, and a water-resistant PVA high-barrier coating is used to increase barrier properties.

2019-05-10

The creativity in food packaging bag design is so practical!

The appearance of food packaging bags is increasingly attracting attention, especially among young people. When shopping at supermarkets, most young people can't help but take a few extra glances at attractive packaging. This is not entirely due to superficiality, but rather an admiration for the creativity of the designers.

2019-05-09

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