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Food bags: How to solve the decolorization phenomenon in the production of color printing food bags

Food bags: How to solve the decolorization phenomenon in the production of color printing food bags

【概要描述】The main function of food bag packaging is to pack various foods.

Food bags: How to solve the decolorization phenomenon in the production of color printing food bags

(Summary description)The main function of food bag packaging is to pack various foods.

Information

The main function of food bag packaging is to pack various foods. Everyone should see that there are many kinds of food packaging bags, including aluminum foil, plastic, nylon, transparent, color printing and other materials. However, traditional food packaging bags are made of plastic, which is the most widely used material on the market. As a manufacturer of food packaging bags, it must do its own production, strive for customer satisfaction, and create value for customers while also creating economic benefits for itself. Every business has this desire. The production of food packaging bags is a very meticulous work, and there are many places to pay attention to. Below we will explain its decolorization in detail, hope it will be helpful to you.

 

包装袋

 

1. Most food bag packaging contains various patterns and characters. These patterns and text are completed through a thermal transfer process. At present, most processes are completed by mechanical equipment. Few places require manual operation. Insufficient mechanical equipment pressure can cause problems. Pressure refers to the force of printing various patterns on the food bag packaging. This force can be large or small. If it is too small, the pattern is not clear, and it is easy to fade or fall off. If it is too large, the packaging bag will be uneven, which will affect its feel and appearance. If adjusting the appropriate pressure is the key to production, different materials and different patterns of packaging bags use different pressures, which requires long-term production and testing by the operator to obtain accurate values, and this value will be used in the day after tomorrow. Adjust gradually during the process.

2. If the color is too light, it may fade. Color modulation is similar to various inks. If the ink contains a lot of water, the density of the ink will become weaker. If the ink becomes weak, the pattern and text will become unclear during the transfer process. Because the ink contains water, it often appears discoloration. It is recommended that you add as much water as possible during color mixing, instead of adding too much water to save costs, just add a small amount of water according to the proportion.

The above two points are the main reasons that food packaging bags are easy to decolor. I hope to be helpful!

 

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