Is PET silver paper safe in direct contact with food?

The safety of PET paper in direct contact with food mainly depends on a number of factors, including the quality of PET material, the use of additives, the production process and contact conditions. The following is a detailed analysis of the safety of PET argyria paper in direct contact with food:

First, the basic characteristics of PET materials

PET (polyethylene terephthalate) is a thermoplastic polyester with excellent physical and chemical properties, such as water resistance, oil resistance, acid and alkali resistance and good mechanical strength. In the field of food packaging, PET materials are widely used because it is safe under normal conditions of use, has good chemical stability, and does not release harmful substances into food.

Second, the particularity of PET silver paper

PET paper is made of PET substrate surface coated with a layer of silver polyester polymer material, this layer of special coating gives the paper the appearance of silver, and enhances the surface smoothness and wear resistance. However, this coating and the additives, additives, etc. that may be added to the PET substrate during the production process may have an impact on food safety.

Third, security influencing factors

1.Material quality: High quality PET material is the basis for ensuring safety. If the PET material itself has quality problems, such as containing harmful impurities, improper use of additives, etc., it may pose a threat to food safety.

2.Additive use: In the production process of PET silver paper, some additives may be used, such as plasticizers, stabilizers, etc. The types and amounts of these additives must be strictly controlled to ensure that they do not have harmful effects on food.

3.Production process: The rationality of the production process also directly affects the safety of PET silver paper. If the production process is improper, it may lead to problems such as reduced material properties and residues of harmful substances.

4.Contact conditions: The conditions of contact between PET YAG paper and food are also important factors affecting safety. For example, conditions such as high temperature, high humidity, and prolonged contact may accelerate the migration and release of harmful substances in the material.

Fourth, safety assessment and standards

In order to ensure the safety of food contact materials, various countries have formulated corresponding standards and regulations. In China, PET materials and their products in contact with food need to meet the requirements of the National Food Safety Standard for Food Contact Plastic Materials and Products (GB 4806.6-2016) and other standards. These standards have made clear provisions on the raw materials, additives, production processes, and migration amounts of materials.

Fifth, conclusion

In summary, the safety of PET YAG paper in direct contact with food is controllable, but the premise is to ensure that the material quality, the use of additives, the production process and other aspects meet the requirements of relevant standards and regulations. At the same time, in the use of the process also need to pay attention to control the contact conditions, to avoid high temperature, high humidity, long-term contact and other adverse factors. If the PET silver paper can meet the above conditions, then it is safe to come into direct contact with food. However, since there may be differences between different manufacturers and different batches of products, it is recommended to conduct a full safety assessment before use.