(1) protect the food should have the protection of the technical performance required for food, proper ventilation, moisture resistance, chemical stability, physical -
mechanical properties, opacity, Paul incense.
(2) the performance of the manufacturing process with suitable ?? should adapt packaging mechanization and automation of the production process requirements if the material is
sterilized, molding, filling (and sometimes hot filling) and closed city processes operating performance, in order to ensure that the packaging of productivity and quality.
(3) the promotion of sales packaging materials and containers should have good appearance and print sales decorating adaptability, will help to increase the value,
attractiveness and competitiveness of food commodities.
(4) health and safety of food packaging materials for the food can not have any adverse effects, including any odor pollution and harmful ingredients to ensure food hygiene and
safety, at the same time, consumers should include safety and health awareness.
(5) Other Packaging economics, resource conservation, energy and packaging waste after recycling of foreign bodies, environmental health and ecological balance and other
long-term problems.