Production process of food packaging bags

Editor:浙江三天印刷股份有限公司 │ Release Time:2021-12-23 

Food contamination on food. Once the quality of food packaging bags is not up to standard, all the harmful substances in inks and plastics directly threaten our health.

Introduction to the production process of food packaging bags

1. Bag type selection: We will confirm what type of food packaging bag the product is suitable for according to the customer's requirements and the actual situation.

2. Pattern design: Generally speaking, the importance of exquisite packaging pattern design for commodity marketing is self-evident. The same is true for the packaging pattern design of food packaging bags. It is generally recommended that small text and lines on food packaging bags should be designed in a single color to avoid multi-color overprinting. The width of thin lines should not be too small, otherwise it will be easy to lose or unclear strokes in printing.

3. Printing: The printing equipment is advanced and the color registration is accurate. It should be noted that the speed and oven temperature should also be paid attention to on the ink used. The fineness and drying speed of the ink are also important factors affecting the printing effect.

4. Compounding: Due to the particularity of food-grade products, in order to achieve the packaging effect, it is often difficult for a single packaging material to work, and two or more materials are required to be combined at one time to achieve the effect. Specifically, it is divided into dry compounding method, wet compounding method, extrusion compounding method, hot melt compounding method and other processing methods.

5. Slitting: After the printing work is completed, carry out slitting, cut into single finished products, and wait for the next process.

6. Bag making: bag making is the last process in the production process of food packaging bags.

7. Quality inspection: Every professional food packaging manufacturer must have inspectors, and each batch of products must be inspected before leaving the factory.