Food packaging bags must have what performance

Food packaging bags must have the following properties:

1. food safety: food packaging bags must comply with food safety standards, will not cause contamination of food, and can effectively protect food from external pollution.

2. anti-oxidation: food packaging bags should have a certain anti-oxidation properties to prevent oxidation of food, to maintain its freshness and nutritional value.

3. moisture resistance: food packaging bags must have good moisture resistance to protect food from the effects of humid environments, to extend its shelf life.

4. anti-bacteria: food packaging bags should have a certain degree of anti-bacterial properties to prevent food contamination by bacteria, to ensure food hygiene and safety.

5. Transparency: food packaging bags should have appropriate transparency so that consumers can clearly see the food inside the package to ensure normal purchase and consumption.

6. Strength and durability: food packaging bags should have sufficient strength and durability to prevent packaging breakage during transport and storage to ensure the integrity of the food.

7. sealing: food packaging bags should have good sealing performance to prevent food from being affected by external factors such as air, moisture and odour.

8. Appropriate packaging form: food packaging bags should be based on the nature and shape of the food, choose the appropriate form of packaging, in order to facilitate storage, transport and use.