Recently, the Nanjing Municipal Bureau of Quality and Technical Supervision entrusted the municipal food-related product certified production enterprises to carry out special supervision and random inspections. A total of 93 batches of samples produced by 83 enterprises were sampled. Of these, 72 batches of food contact plastic products were sampled and qualified. 68 batches, the pass rate is 94.44%.
The supervision and spot check of plastic products for food contact is based on GB 4806.7-2016 “National Food Safety Standards for Food Contact Plastic Materials and Products”, GB 9683-1988 “Hybrid Standards for Composite Food Packaging Bags”, GB/T 10004-2008 The specific inspection items for plastic composite film, bag dry compounding, extrusion compounding and related company standards are: sensory, total migration, evaporation residue, potassium permanganate consumption, heavy metal (in Pb), Sb), Decolorization Test, Phenol, Methyl Monomer Migration, Toluenediamine, Total Solvent Residue, Benzene Solvent Residue, Acetaldehyde Content, Total Colony, Coliform, Pathogenic Bacteria, Fungi, Barrier Properties ( Oxygen), Barrier Property (Water Vapor), Heat Seal Strength. Unqualified items are total migration (4% acetic acid), evaporation residue (n-hexane), potassium permanganate consumption, oxygen permeation and water vapor transmission.