Doypack bags are a form of fluid food packaging commonly used in the market, such as beverages. Because of its self-reliance, doypack bags have a better display effect on the shelf. In addition to appearance, food manufacturers are more concerned about its packaging performance.
1. Intrinsic requirements of doypack bags for suction nozzles: The intrinsic requirements of food packaging refer to the technical requirements for food packaging to complete the quality and quantity of food in its packaging.
Doypack bags strength requirements: refers to the packaging can maintain the packaged food in the storage, stacking, transportation, handling process to resist various external destructive forces, such as pressure, impact and vibration. There are many factors related to the strength of food packaging, mainly including transportation methods (such as automobiles, airplanes), stacking methods (such as multi-layer stacking, interspersed stacking), and environment (such as climate and sanitary environment).
Doypack bags barrier requirements: barrier is one of the important properties in food packaging. Many foods are stored and packaged. Due to poor barrier properties, the flavor and quality of the food will change, which will ultimately affect the quality of the food. The barrier requirements are determined by the characteristics of the food itself, and its characteristics include external barriers, internal barriers or selective barriers, and so on. The barrier substances are air, water, grease, light, microorganisms and so on.
Doypack bags breathe requirements: some exported foods, such as novel fruits and vegetables, still insist on breathing function during the packaging and storage process. Therefore, such packaging materials or contents are breathable, or can control breathing, so as to achieve the purpose of preservation.
Nutritional requirements of doypack bags: Food will gradually lose nutrition during packaging and storage. Therefore, food packaging should be conducive to the storage of food nutrition, and more ideally, it can lock nutrition through packaging.
Other requirements of doypack bags: There are many inherent requirements for food packaging, such as heat resistance requirements, light protection requirements, shatterproof requirements, and moisture retention requirements.
2. The external requirements of doypack bags: The external requirement of food packaging is that the application packaging reflects the characteristics, performance, and image of the food, which is the external visualization and expression of the food and the wrist.
Doypack bags safety requirements: The safety of doypack bags for food suction nozzles includes hygiene and safety, safe handling and safe operation. Hygiene and safety means that food packaging materials should not contain substances harmful to the human body; in terms of packaging technology, the nutritional content, color and taste of the processed food should be kept as unchanged as possible. Handling safety means that the packaging can ensure safety during transportation, loading and unloading, and it should also include the safety of consumers picking up during shopping and carrying it after purchase. The use of safety is to ensure that consumers will not be harmed during the opening and eating process.
Doypack bags promotional requirements: food packaging is one of the best means of food promotion. Food properties, characteristics, eating methods, nutritional content, and cultural connotations can be promoted on the packaging. The promotion of food packaging includes: necessary information promotion, image promotion, color promotion, structure promotion, etc.
The external requirements of doypack bags also include: convenience requirements, prompt requirements, interest clarification requirements, and emotional clarification requirements.