How to test the heat sealing strength of plastic packaging bags?The methods for determining the heat sealing strength of plastic packaging bags are as follows: 1, Make samples. Take any samples from the side, back, top or bottom of the plastic film packaging bag in a vertical direction to the heat-sealed part, respectively, as the […]

Since the release of the plastic restriction order, the use of many plastic bags has been reduced. But some people will question, what kind of garbage is plastic packaging bags, and why should we limit its use? This article will answer these questions for you. Many people know that plastic bags are harmful to the […]

Plastic packaging bag materials have many advantages that other traditional packaging materials are difficult to have, such as superior performance, molding, use of braids, and low cost, and are developing at a speed unmatched by other traditional packaging materials. As one of the plastic packaging materials, the plastic packaging bag, which plays a huge role […]

Because the printing ink is dried by solvent volatilization, there is a certain amount of solvent residue in the packaging bag. The odor and toxicity produced by organic solvents will contaminate food and endanger human health. At present, the national standard stipulates that no square meter is10Therefore, the residual solvent of the printed matter is […]

In the past ten years, the printing industry has developed very rapidly, the competition is very fierce, the profit margin of the company is getting smaller and smaller, and the production quality management is difficult to keep up. In response to this situation, we provide a four-step plastic flexible packaging production quality management method to […]

As the fastest growing form of packaging, plastic packaging continues to this day, and it can be said to be the most used packaging method in various industries. What I want to talk to you about today is the zongzi plastic packaging bag. What material would be better to use?Q: What kind of structure is […]

With the development of science and technology, the flexible packaging industry has adopted a large number of new technologies, new processes, new equipment and new materials, making the flexible packaging composite substrate more and more types and better performance. Classified by material, it mainly includes paper substrate, plastic film substrate, metal foil substrate and evaporated […]

The gas characteristics of plastic packaging bags are excellent, but their disadvantages are that the static electricity in the process of processing and use has reached the degree of obstruction in the voltage and capacitance, or the dust is mixed into the products due to the dust collection effect of static electricity, which reduces the […]

Plastics are used in the packaging industry in many forms: monolayer films, sheets, multi-layer co-extruded structural sheets, coatings, adhesives, foams, laminate rigid, semi-rigid containers. A large number of products are transported and sold in various countries and regions around the world after being packaged in plastic, such as: solids, liquids, chemicals, alkali metals, acids, electronic […]

[Composite packaging bag] The composite flexible packaging material can be used only after it is made into various packaging bags. There are two ways to make bags. One is that the packaging manufacturer uses roll film to fill on the automatic packaging machine, and then forms and packs them into various packaging bags; the other […]