As we all know, plastic used in food packaging materials in addition to the general packaging materials should have the performance, but also pay special attention to packaging health problems, to protect food hygiene, safety and extend the life of food storage an important means. On these properties, the industry has a clear standard. If you do not meet the standards, it is not qualified food packaging plastic film, naturally, it can not be used for food packaging.

So, food packaging with plastic film standards which? Today, Shenzhen Xiang Hong Yiu Hong Kong packaging just like to tell you about.

(1) plastic products for food packaging must be in full compliance with hygienic standards for food packaging. That is, plastic film itself does not occur the migration of toxic substances, non-toxic, odorless, no smell; printing bag to achieve the above criteria.

(2) according to the needs of different varieties of food packaging, the use of the corresponding packaging materials. First of all, to understand the nature of the contents. For example: biscuits, tea, pills and the like packaging, the need for a high degree of moisture and gas barrier to maintain its original flavor. The fresh vegetables and fruit packaging, the need to supply the amount of oxygen to supply their survival, if you also use a good barrier material packaging will bring side effects.

Such as: frozen food packaging, requiring plastic packaging materials, to have low temperature resistance to freezing without hardening performance; on the production; cooking bags; with the composite material should be high temperature, resistant to cooking without deformation of the performance; Of the food packaging, to have oil resistance and UV penetration of the function.

In addition, it should be noted that the choice of plastic film in the food packaging machinery operation will not appear bad heat sealing, wrinkling, perforation, broken bags and other defects.