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See Chinese contents: GB 31604.51-2021 GB 31604.51-2021: National food safety standard - Food-contact materials and articles - Determination of migration of 1,4-butanediol
This standard specifies the method for determining the migration of 1,4-butanediol in food contact materials and products. This standard applies to the determination of migration of 1,4-butanediol, in plastics, coatings, food contact materials and products, which use adhesives and inks.
