Some Problems Should Be Paid Attention to in the Printing Process of Liquid Soft Plastic Packaging Film

2. Customer's post-processing conditions or test standards. The color printing manufacturers can only achieve the target and know the equipment consumables only when they fully understand the conditions of the food manufacturers during filling and the subsequent processing techniques, and even the detailed requirements for liquid packaging in the market. The main points of attention include: filling speed, sterilization conditions, length of shelf life, preservation requirements, etc.

3. The requirements of the printing process. In order to ensure the printing quality of the liquid packaging film, it is also necessary to pay attention to the control of printing tension, printing pressure, printing speed and drying temperature during the printing process, formulate a set of stable and reliable process standards, standardize the process flow, and ensure the scale production. The smooth progress. In addition, the overall quality of printing workers, the technical information provided by ink manufacturers, the quality of thinner materials, and the changes in the workshop environment are also factors that cannot be ignored.

4. Control printing environment printing technology. The change of temperature and humidity in the printing shop has a certain impact on the properties of the substrate materials and inks. Too dry environments can cause static electricity in the film and cause difficulties in printing. Too much humidity in the environment can result in insufficient drying of the ink and affect the firmness of the ink layer. Therefore, the environmental temperature and relative humidity in the printing shop should be strictly controlled, as far as possible to maintain a relatively constant, and ensure good ventilation, in order to reduce the incidence of printing failure printing technology. In general, the temperature in the workshop is controlled between 18°C ​​and 25°C, and the relative humidity is preferably between 60% and 70%.

5. Finish inspection of finished products. Customer satisfaction is the highest criterion and final desire of each printing company, so it is necessary to ensure that qualified products are delivered to customers. This will not only satisfy customers, but also safeguard the company's image and reputation. This is the basis for maintaining and developing good customer relationships.

In the production process of liquid packs, the changing of the film is relatively frequent, and the performance of the film is likely to vary. The liquid pack uses a small amount of ink, and the long-term use of the old ink printing may also bring about a decline in the performance of the ink. Therefore, the liquid pack may be produced. The changing factors are more central in China. Color printing companies can work out a set of suitable testing standards for finished products by simulating the conditions of use of customers, so as to ensure that unqualified products do not leave the factory and avoid unnecessary losses.