Need to pay close attention to the excessive problem of residual solvents in food packaging

According to China Packaging, it was learned that the total amount of residues of multi-batch paper, plastic, plastic and plastic food packaging was continuously detected by the food contact material laboratory of the daily daily Inspection and Quarantine Bureau at 5.9 8.3 mg/m2, exceeding the national standard of China GB/T10004. -2008 limit requirements. For such packaging materials with potential food safety hazards, relevant departments and companies must attach great importance.

China National Standard GB/T "Plastic composite film for packaging, bag dry compounding, extrusion compounding" stipulates that the total amount of solvent residues shall not exceed 5mg/m2, benzene solvents shall not be detected (detection limit is 0.01mg/ M2). Among the products that exceeded the standards, the residual solvents detected were mostly volatile solvents such as ethyl acetate, acetone, and ethanol.

According to the survey of China Packaging Network Xiao Bian, the solvent residue in the composite food packaging mainly comes from various types of solvents used in the production process of composite food packaging printing, compounding, and coating. Although the toxicity of solvents such as ethanol and ethyl acetate is relatively low, due to the high residual solvent content, it will affect the taste of foods. Therefore, the national standard GB/T clearly specifies the total amount of residual solvents, especially The more toxic benzene solvents pose a stringent limit of 0.01 mg/m2 that cannot be detected. In recent years, the problem of residual solvents in food packaging bags has attracted widespread attention from all walks of life, prompting manufacturers to rigorously screen raw materials, improve processes, and abandon benzene-based solvents to maintain a good quality of compound food packaging solvents. However, with the development of the national economy and the acceleration of the pace of life, the national demand for packaged food has increased significantly, and the demand for packaging materials by food production companies has also increased. In order to meet the demand, some food packaging manufacturers have been working overtime and overloaded, and they have only ignored the control of residual solvents for the delivery period and the completion of production tasks. Inadequate control of raw materials, insufficient drying temperature and time, and other process deviations have led to multiple occurrences of excessive solvent residues.

Therefore, food packaging manufacturers should attach great importance to the problem of excessive solvent residues. The raw materials and control processes are preferred to ensure that the solvent residues are within the acceptable limits. At the same time, food companies must strengthen the monitoring of solvent residues in incoming food packaging to prevent the evaporation of large amounts of residual solvents in the food processing area, resulting in odors or contamination by solvents.