Vacuum bags pack soymilk, milk, milk, a large number of juices and seasonings into bags. Vacuum bag packaging material is mainly polyethylene composite film, which requires packaging, preservation and sanitary treatment. Vacuum bags have three types of appearance and film performance: soft motion film has five to eight types, black and white are out of the motion screen, it is simply a high-temperature delicacy. Soft cream, white plastic packaging is mainly used for packaging simple liquids such as milk, sauce, vinegar) are soaked in blood, milk, white materials, plastic film packaging performance is good, the sterilization temperature of tea barrier is not more than 90 degrees, generally using manual low-speed washing equipment.
The most beautiful pattern of vacuum bag, extra color printing and vacuum packaging printing technology can not be separated. Vacuum bag packaging food is very strict, in the back of the sanitation, temperature, vacuum bags have special requirements.
1. Vacuum bag preprinting. The surface of plastic film is preferably spark or spark. At present, there is no improved plastic ink on the market. It has been printed for 1-2 months, but it has been reduced by 1-2 months.
The production technology of vacuum bag was introduced. You know what?
2. After vacuum bag processing, the natural drying speed is slow and the area is large. If the belt drying equipment is used, its quality and efficiency can be improved.
3. Selection of printing materials for vacuum bags. Other plastics, other inks. Although all plastic inks, if there is a wrong type, the ink will easily fall off. Such as soft plastics, soft plastics, ink and other major issues, the formation of plastic labels.