With the improvement of living standards, people’s requirements for food packaging bags are becoming higher and higher. On the one hand, to ensure the safety and freshness of food, on the other hand, because packaging can save costs.
1: The role of food packaging bags
Food packaging can put food in a bag, which can better maintain the freshness of the food. Food packaging is also resistant to corrosion and wear, so it is an ideal material. In addition, food packaging has many other advantages, such as easy to use, easy to manage and economical. To make sure you can use the paper pouch to preserve your food, read the following carefully: 1. Bag material selection. Common food packaging bags include cardboard boxes, plastic bags, and plastic bottles. 3. Common security methods include printing words or patterns, printing on paper, pasting labels or adding bar codes. 4. Precautions.
2: commonly used food packaging bag material
Commonly used food packaging materials are plastic, cardboard and fabric three kinds. Among them, the advantages of cardboard is durable, not easy to be damp and mildew; The advantages of thin film are good air permeability and high temperature resistance; In addition, you can also choose suitable materials according to the actual situation. There are two common ways of anti-counterfeiting: one is color anti-counterfeiting, that is, the use of different pigments or coatings made of products, so that it has a unique color characteristics; The other is pattern anti-counterfeiting, that is, the use of various elements of the pattern to make anti-counterfeiting labels, such as through the use of special ink printed into the “color food label” has a strong visual effect.
3: Common anti-counterfeiting methods
There are many common ways to prevent counterfeiting, including printing, laser holography and electrostatic film. Ink is one of the most commonly used anti-counterfeiting methods, it has strong water resistance, corrosion resistance, so it is widely used in the field of food packaging bags. In addition, there are some other methods can also be used for food packaging, such as embroidery, hot stamping and other processes. For food packaging bags, paper materials are easy to damage, so we must pay attention to the paper material and texture when choosing. In general, the thicker the paper, the less durable it is, so try to choose paper that is light and breathable. In addition, pay attention to the paper water absorption, if the humidity is high, the paper will absorb water resulting in damage.
Therefore, food bags play an important role in modern society. I hope that through the introduction of this article, you can better understand its function and advantages.