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On Aug 31, 2020, National Food Safety Standard Review Committee opened public consultation on 16 national standards, including a draft revision to the GB 4806.9 Metal Materials and Articles for Food Contact Use. Any comments are welcome before Oct 20, 2020.
According to the draft revision, the metal base should not use Plumbum, Cadmium, Arsenic, Mercury, Antimony, Beryllium and Lithium as alloying elements. Additionally, it specifies the maximum level of impurity elements in metal base and coating materials.
The migration indicators of impurity elements (As, Cd, Pb, Sb) and alloying elements (Al, Cr, Co, Cu, Mn, Mo, Ni, Sn, Zn) in metal materials are updated. Of note is that metal materials and articles expected to be reusable are required to conduct migration tests three times following GB 31604.1 General Rules for Migration Test of Food Contact Materials and Articles. For stainless steel materials and articles, if the test results for the first time is within the maximum limit and evidence proves the migration amount will not be accelerated in the following tests, then it will pass and is not required to do any follow-up tests. However the product will fail inspection if the migration tests is outside the maximum limit in any of those three tests.
