On food and cause food contamination. Once the quality of the food packaging bag is not qualified, all the harmful substances in the ink and plastic itself directly threaten our health.
Introduction to the production process of food packaging bags
1, bag type selection: We will according to the requirements of customers, combined with the actual, to confirm the product is suitable for what bag type food packaging bags.
2, pattern design: Generally speaking, the importance of beautiful packaging pattern design for commodity marketing is self-evident. The same is true of the packaging pattern design of food bags. It is generally recommended that the small words and lines on food bags should be designed into monochrome to avoid multi-color overprinting. The width of the thin line should not be too small, otherwise it is easy to lose or the stroke is unclear in printing. 3, printing: advanced printing equipment, accurate color, pay attention to the speed and oven temperature, but also pay attention to the use of ink, ink fineness and drying speed, is also an important factor affecting the printing effect. 4, composite: due to the particularity of food grade products, in order to achieve the packaging effect, often a single packaging material is difficult to work, two or more materials need to be combined in the following effect. It is divided into dry compounding method, wet compounding method, extrusion compounding method and hot melting compounding method.
5, slitting: After the printing work is completed, slitting is carried out, cutting into a single finished product, waiting for the next process. 6, bag making: bag making is the last process in the production process of food packaging bags. 7, quality inspection: each professional food packaging manufacturers must have inspectors, and each batch of products must be inspected before delivery.