China Ink Industry Prepares for New Mandatory Heavy Metal Limits: Q&A Insights from Official GB Implementation Seminar

The National Ink Standardization Technical Committee recently hosted a high-profile seminar to promote the implementation of the newly released mandatory national standard, GB 46997-2025, "Limits of Certain Heavy Metals in Printing Ink". The event brought together industry experts, manufacturers, and testing institutions to decode the technical requirements and address practical challenges ahead of the standard’s official enforcement on January 1, 2027.