中國國家食品安全標準－食品接觸材料及製品用油墨（GB 4806.14-2023）

//www.chemradar.com/en/lawinfo/detail/cyqptjls97uo) is one of China's national food safety standards, applicable to all inks and their printed layers (including accompanying varnishes) intended for printing on food contact materials and products that may come into direct or indirect contact with food. Based on the contact method, inks are categorized into "direct food contact" and "indirect food contact," with differentiated management of raw materials and additives. The standard also specifies indicators such as heavy metal residues, total migration, potassium permanganate consumption, and total migration of aromatic primary amines to ensure safety during food contact.