To effectively protect the reputation of China's exports and trade in the normal development, to ensure import and export food safety, protect the health of consumers at home and abroad, to strengthen import and export food packaging containers, packaging materials, safety and health quarantine and supervision work, the State Administration of Quality Supervision on August 1, 2006 from the implementation of the "import and export food packaging containers, packaging materials, the inspection supervision regulations." According to requirements, food packaging materials required for testing the safety, sanitation projects a lot, usually for specific indicators of the general dissolution test and test.
The so-called leaching test is based on the food packaging materials and containers for different purposes (costumes water, acid, oil, alcohol and foods), respectively, of water, 4% acetic acid, n-hexane, 65% ethanol soaked so evaporation residue, potassium acid potassium consumption, heavy metals, bleaching test. The so-called test-specific index is based on food packaging materials, detection of vinyl chloride monomer, styrene monomer, ethylene derivatives, formaldehyde, plasticizers, N-nitroso substances residues and other indicators.