Food plastic bags require release date: 2019 -
22 in the performance of packaging ways, food plastic packaging requirements can be divided into internal and external requirements of two aspects: one, the inherent requirement of food packaging
is to point to by the packing, the food within its packaging ensure the quality of technical implementation requirements, such as strength, barrier property, breathing plastic bags, etc.
1, the strength requirement: refers to the packing can protect the food in the process of storage, stacking, transportation and handling various destructive power of resistance to the outside world, such as pressure, impact and vibration, etc.
Food packaging strength requirements related to many factors, including the mode of transportation,
Such as cars, planes)
And stacking form (
Such as multi-layer stacking, cross stacking)
And the environment (
Such as climate, health, environment)
Three kinds of factors.
2, barrier property requirements: barrier property is one of the important performance in food packaging.
A lot of food in the storage and packing, because of the barrier property errand food flavor and quality change, ultimately affect the quality of the food.
Barrier property requirement is determined by the food itself characteristic, its characteristics are foreign, internal block or selective blocking and so on.
Block material are air, water, oil, light, microorganism and so on.
3, breathing requirements: some are sold food such as fresh fruits and vegetables, still keep the respiratory function in the process of packaging and storage, therefore, this kind of packaging material or container has the permeability, or can control respiration, so as to achieve the goal of keeping fresh.
4, nutritional requirements: food in the process of packaging and storage, will gradually lose nutrition, so the food packaging should be conducive to the preservation of food nutrition, more ideal is can pass the packing locks in nutrition.
5, and other requirements: the inherent requirement of food packaging and there are many, such as heat resistance demands, avoid light, shatterproof, moisturizing requirements, etc.
Second, external requirements of food packaging is the use of packaging reflects the characteristics of the food, performance, image and exterior visualization is food and the forms and means, including the following aspects: 1, security requirements: including health safety of food packaging safety, transport safety and the use of safe, etc.
Health and safety refers to food packaging materials should not contain harmful substances;
In packaging technology, make the processed food in nutrition, color and taste, as far as possible remain the same.
In handling security refers to the packaging can guarantee the security problems in the process of transportation, loading and unloading, it should also include consumer after extraction and buy when shopping security to carry and not easily broken.
Use safety is to ensure that consumers not be hurt in the process of opening, edible.
2, promotion sex requirement: food packaging is one of the best means of sales promotion.
The performance and characteristics of food, edible method, the nutrition, the cultural connotation can be publicized on the packaging.
Sales of food packaging include the necessary information promotion promotion, image promotion, color, structure, marketing, etc.
3, external requirements include: convenience demands, informative and interesting description requirement and emotional requirements, etc.
Under the previous: food packaging to the correct use of an article: to tell you how to identify the material of vacuum packing bag
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