The main role of food films in the food packaging industry:
Food films play multiple roles in the food packaging industry. They not only protect the safety and quality of food, but also facilitate the storage and transportation of food, and provide a way for product information and brand promotion. As consumer demands continue to change, the performance and application range of food films are expanding.
1. Protect food from contamination: Food films can effectively isolate dust, microorganisms, harmful gases and other pollutants in the external environment, preventing them from direct contact with food, thereby keeping food clean and hygienic. Extend the shelf life of food and maintain its freshness and taste.
2. Extend the shelf life of food: Food films usually have good barrier properties, which can prevent the penetration of oxygen, water vapor, grease and other substances, and slow down the oxidation, corruption and deterioration of food. By controlling the environmental conditions inside packaging, the shelf life of food can be significantly extended and food waste reduced.
3. Maintain the freshness and flavor of food: Food films can prevent the loss of moisture, aroma, nutrients and other substances in food, and maintain the original freshness and flavor of food. Maintaining the quality and taste of food is especially important for volatile foods.
4. Convenient for food storage and transportation: Food film has good flexibility and tear resistance, and can easily package, store and transport food. Effectively protect food from damage and contamination during transportation, ensuring the safety of food reaching consumers.
5. Provide product information and brand promotion: Food film can be printed with product-related information, such as production date, shelf life, nutritional ingredient list, etc., to facilitate consumers to understand the detailed information of the product. At the same time, they are also an important carrier for brand promotion, and can improve the brand awareness and competitiveness of products by printing brand logos, slogans, etc.
6. Meet environmental protection requirements: Due to the gradual improvement of environmental awareness, more and more food films are made of recyclable and degradable environmentally friendly materials. These films not only meet the needs of food packaging, but also meet environmental protection requirements, helping to reduce environmental pollution and resource waste.
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