Requirements for food plastic packaging bags.kraft spout pouch

First, the internal requirements of food packaging refer to the technical requirements of food and quantity and quantity, such as strength, obstruction, and plastic bag breathing through packaging through packaging.

1. Interest requirements: Refers to the packaging that can protect the packaged foods that resist various destructive power of the outside world during storage, stacking, transportation, and transportation, such as pressure, impact force and vibration force. There are many relevant factors that require food packaging intensity, including transportation methods (such as cars, airplanes), stacking forms (such as multi -layer stacking, cross -stacked) and environment (such as climate and sanitary environment).

2. Obstructivity requirements: Objection is one of the important properties of food packaging. Many foods are storage and packaging. Due to poor obstruction, the flavor and quality of food changes, which ultimately affects the quality of food. The obstruction requirements are determined by the characteristics of the food itself. The blocking substances include air, water, oil, light, microorganisms, and so on.

3. Respiratory requirements: Some foods such as fresh fruits and vegetables, etc., still maintain breathing function during the packaging and storage process. Therefore, such packaging materials or containers are breathable or can control the breathing effect to achieve the purpose of preservation.

4. Nutrient requirements: During the packaging and storage process, food will gradually lose nutrition. Therefore, the packaging of food should be beneficial to the preservation of food nutrition, and more ideal is to lock nutrition by packaging.

5. Other requirements: There are many inherent requirements for food packaging, such as heat resistance requirements, avoidance of light, anti -fragmentation requirements, moisturizing requirements, etc.

Second, the external requirements of food packaging are to reflect the characteristics, performance, and image of food using the packaging. It is the external image and expression and means of food, including the following aspects:

1. Safety requirements: The safety of food packaging includes hygiene and safety, handling safety and use safety. Sanitary safety refers to food packaging materials that should not contain harmful substances to the human body; in terms of packaging technology, the treatment of foods that are treated in nutrients, color, and taste will remain as unchanged as possible. Moving safety means that packaging can ensure the safety of safety during transportation and loading. It should also include consumers withdrawing and carrying safety after shopping, and will not be easily damaged. Safety use is to ensure that consumers will not be harmed during the opening and consumption process.

2. Promotional requirements: Food packaging is one of the best means for food promotion. The performance, characteristics, edible methods, nutritional ingredients, and cultural connotations of food can be promoted on the packaging. The promotionality of food packaging includes: necessary information promotion, image promotion, color promotion, structural promotion, etc.

3. External requirements also include: convenience requirements, prompt requirements, fun explanation requirements, and emotional description requirements.

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