GB 7105-1986 "Hygienic Standard for Perchloroethylene Coatings on the Inner Wall of Food Containers" specifies the hygiene requirements for perchloroethylene coatings used on the inner wall of food containers. The standard mainly focuses on the composition, performance and potential impact on food safety of food container coatings to ensure that the coating does not release harmful substances during contact with food. The standard specifies the hygiene performance test methods of coatings in detail, including the requirements for the chemical Stability, non-toxicity and durability of coatings to ensure the safety of food Encasement and food hygiene. The standard provides strict quality control basis for food container manufacturers to ensure the safe use of coatings and the mass guarantee of food.