There are many steps to complete a food packaging bag. Professional food packaging bag supplier China's production process? Let's have a look!

1. Design: The layout of the bag is designed by a designer. Good packaging needs a good design layout. Good design is the key to the success of food packaging bags.

2. Plate making: through the design, the production of the corresponding copper plate. Copperplate into a cylinder, and is the whole set is not a single one, the specific size of the very number of plates to be determined according to the previous step of the packaging design.

3. Printing: the specific work on the food packaging press, according to the food company to confirm the first layer of material for printing, printing out the effect of the picture with the design draft is not very different. In this step of the process,a professional food packaging bag supplier China can ask the customer to come over to see the color.

4. Composite: the so-called composite is the two total materials bonded together, the ink surface glued in the middle of the two layers of material, such as pa/pe, where pa is the first layer of material that is printed material, pe is the second layer of material that is the composite material, some cases will have a third, fourth layer of material. Such as doing ordinary aluminum elimination bags (opp/al/pe) will need a third layer. Note: Usually in the composite before a need for a step on the previous printing of the material for inspection, eliminating the poor printing effect of the material.

5. Ripening: ripening process, the need for adequate ripening time, so as to achieve the best composite effect.

6. Bag-making: the production of packaging film rolls cut into a packaging bag. If customers need automatic packaging roll film, but also without cutting bags from the above can be seen, the production of food packaging bags goes through the design, plate making, printing, compounding, maturation, slitting, or bag-making process. Afterward, strict quality testing is also required before the food packaging bags can be shipped to customers.

The above is the production process of a Professional food packaging bag supplier China, hope it can help you understand our products better, if you are looking for a Professional food packaging bag supplier China, you can contact us directly.