7 steps to customizing food Packaging bags

7 steps to customizing Food Packaging Bags

Step1.Before customizing food Packaging Bags, manufacturers need to locate the style of Food Packaging and the information they need to express, determine the food packaging specification, material, thickness and bag type, and let their designers or packaging manufacturer make drawings according to these information. You also can refer to some samples when designing. Pay attention to the words on the Packaging Bag when designing.

Step 2. After determining the design, cost and quantity with the packaging factory, the order can enter the preparation stage, the packaging factory will make plate according to the design drawing, the professional technician will separate the pattern, repair the unclear parts, and then carry out more than ten processes to complete the plate making.

Step 3. Printing. After the raw materials are ready, Packaging factory will use the high-speed printing machine to print the surface film. Here we will use the gravure printing technology.

Step 4. Lamination. Put the printed surface film and other barrier, easy to heat seal inner film with special glue for composite.

Step 5. Curing. After laminating, the food packaging material needs to be cured for more than 24 hours in a curing chamber with a temperature of more than 45 degrees, so to make the food packaging bag not easy to peel off.

Step 6. Bag making. At this time, the food packaging bag has entered the end of making. The bag making technician needs to have certain skills, and must pack the color printing packaging bag with good edge sealing without any leakage.

Step 7. Detection. The testing items of food packaging bags include: specification, appearance, overprint error, color difference, peel strength and heat sealing strength.