What is the process flow of coffee bag color printing factory？

1. Printing.

You need to pay attention to communicate with the coffee packaging bag manufacturer in advance about what grade of ink is used in printing. It is suggested that you had better use the ink with environmental protection certification.

2. Check.

After a part of the color printing film is printed on the boot, a part of the sample is often torn off from the film by the color printing master for inspection, and at the same time, it is handed over to the customer to check whether the version is correct, whether the color is accurate, whether there are previously undiscovered errors and so on.

3. Get back together.

Coffee bags are usually made of two or three layers of raw material film composite, composite packaging bag film also needs to mature, that is, by adjusting the appropriate time and temperature, let the composite packaging film dry.

4. Bag making.

Different types of plastic bags are made in different ways. Various types of plastic bags, such as three-side sealing, four-side sealing, self-supporting bag, eight-side sealing and so on, are reflected in the bag making link.

5. Package and transport.

If logistics delivery is required, the strength of packaging materials should be considered when packaging to avoid damage to the goods.