This standard supersedes "Hygienic Standard for Epoxy Phenolic Resin Coating for the Internal Lacquer of Food Cans" (GB 4805-1994), "The Sanitary Specifications of Perchloravinyl Interior Coatings for Food Container" (GB 7105-1986), "Hygienic Standard of Phenol Lacquer for Food Container" (GB 9680-1988), "Hygienic Standard for Internal Coating of Food Cans" (GB 9682-1988), "National Food Safety Standard - Epoxy Polyamide Resin Paints for Inner Walls" (GB 9686-2012), "National Food Safety Standard – Anti-coherent Silicone Paints " (GB 11676-2012), "National Food Safety Standard - Water Soluble Epoxy Internal Coatings of Beverage Cans" (GB 11677-2012), "Hygienic Standard for Polytetrafluorethylene Used as Inner Coating of Food Containers" (GB 11678-1989) and "Announcement on Publishing the List of 107 Resins Available for Food Package Materials such as polytetramethylene adipamide (Announcement No.23 [2011] of the former Ministry of Health) with regard to resins for paints.
Compared with the above standards and announcement, the main changes in this standard are as follows:
- The standard name is modified as "National Standard of Food Safety - Food Contact Paints and Coatings";
- The scope is modified;
- Terms and definitions are added;
- Basic requirements are added;
- Raw material requirements are added;
- Physical and chemical indexes are modified;
- General requirements for migration test are added;
- Label identification requirements are added;
- Appendix A is added.
National Food Safety Standard
Food Contact Paints and Coatings
食品安全国家标准
食品接触用涂料及涂层
1 Scope
This standard is applicable to food contact paints and coatings.
This standard is not applicable to paper paints and coatings.
2 Terms and Definitions
2.1 Food contact paints and coatings
Paints (and coating or films formed by them) coated on the surface of food contact materials and their products which is in direct contact with foods.
3 Basic Requirements
Food contact paints and coatings shall meet the requirements of GB 4806.1.
4 Technical Requirements
4.1 Raw Material Requirements
The list of allowable resins shall meet the requirements of Appendix A and relevant announcement.
4.2 Sensory requirements for coating
Sensory requirements for coating shall meet those specified in Table 1.
Table 1 Sensory Requirements
Item Requirements
Sensory inspection Smooth in surface, uniform in color and luster, pore-free; after soaking, it shall be free from, blistering and shedding
Soak solution The soak solution obtained from migration test shall be free from sensory deterioration such as coloration, turbidity, precipitation and abnormal odor
4.3 Physical and chemical indexes
4.3.1 Physical and chemical indexes shall meet those specified in Table 2.
Table 2 Physical and Chemical Indexes
Item Index Inspection method
Overall migration/(mg/dm2)a ≤ 10 GB 31604.8
Potassium permanganate consumption/(mg/kg)
Distilled water (60℃, 2h or boil for 0.5h; then put at ambient temperature for 24h)b ≤ 10 GB 31604.2
Heavy metal (calculated in Pb)/(mg/kg)
4% acetic acid (volume fraction) (60℃, 2h or boil for 0.5h, and then put at ambient temperature for 24h)b ≤ 1 GB 31604.9
a As for paints and coatings in contact with foods for infants, the result shall be converted into mg/kg according to the area volume ratio in actual use, and the limit shall be less than or equal to 60mg/kg.
b As for the test conditions of coatings used for kitchenware and drinkware, "boil for 0.5h, and then put at ambient temperature for 24h" applies, while "60℃, 2h" is adopted for other coatings.
4.3.2 The physical and chemical indexes of monomer and other initiators, such as specific migration limit, total specific migration limit and maximum residue quantity shall meet the requirements of Appendix A and relevant announcement.
4.4 Additives
Additives shall meet the requirements of GB 9685 and relevant announcement.
5 Others
5.1 Migration test
Migration test shall be implemented according to the requirements of GB 31604.1 and GB 5009.156.
5.2 Label identification
Label identification shall meet the requirements of GB 4806.1; moreover, the names of base material and coating material shall also be indicated for coating materials and products.
Foreword I
1 Scope
2 Terms and Definitions
3 Basic Requirements
4 Technical Requirements
5 Others
Appendix A Food Contact Paints and Coatings - Allowable Base Resins with Their Using Requirements
This standard supersedes "Hygienic Standard for Epoxy Phenolic Resin Coating for the Internal Lacquer of Food Cans" (GB 4805-1994), "The Sanitary Specifications of Perchloravinyl Interior Coatings for Food Container" (GB 7105-1986), "Hygienic Standard of Phenol Lacquer for Food Container" (GB 9680-1988), "Hygienic Standard for Internal Coating of Food Cans" (GB 9682-1988), "National Food Safety Standard - Epoxy Polyamide Resin Paints for Inner Walls" (GB 9686-2012), "National Food Safety Standard – Anti-coherent Silicone Paints " (GB 11676-2012), "National Food Safety Standard - Water Soluble Epoxy Internal Coatings of Beverage Cans" (GB 11677-2012), "Hygienic Standard for Polytetrafluorethylene Used as Inner Coating of Food Containers" (GB 11678-1989) and "Announcement on Publishing the List of 107 Resins Available for Food Package Materials such as polytetramethylene adipamide (Announcement No.23 [2011] of the former Ministry of Health) with regard to resins for paints.
Compared with the above standards and announcement, the main changes in this standard are as follows:
- The standard name is modified as "National Standard of Food Safety - Food Contact Paints and Coatings";
- The scope is modified;
- Terms and definitions are added;
- Basic requirements are added;
- Raw material requirements are added;
- Physical and chemical indexes are modified;
- General requirements for migration test are added;
- Label identification requirements are added;
- Appendix A is added.
National Food Safety Standard
Food Contact Paints and Coatings
食品安全国家标准
食品接触用涂料及涂层
1 Scope
This standard is applicable to food contact paints and coatings.
This standard is not applicable to paper paints and coatings.
2 Terms and Definitions
2.1 Food contact paints and coatings
Paints (and coating or films formed by them) coated on the surface of food contact materials and their products which is in direct contact with foods.
3 Basic Requirements
Food contact paints and coatings shall meet the requirements of GB 4806.1.
4 Technical Requirements
4.1 Raw Material Requirements
The list of allowable resins shall meet the requirements of Appendix A and relevant announcement.
4.2 Sensory requirements for coating
Sensory requirements for coating shall meet those specified in Table 1.
Table 1 Sensory Requirements
Item Requirements
Sensory inspection Smooth in surface, uniform in color and luster, pore-free; after soaking, it shall be free from, blistering and shedding
Soak solution The soak solution obtained from migration test shall be free from sensory deterioration such as coloration, turbidity, precipitation and abnormal odor
4.3 Physical and chemical indexes
4.3.1 Physical and chemical indexes shall meet those specified in Table 2.
Table 2 Physical and Chemical Indexes
Item Index Inspection method
Overall migration/(mg/dm2)a ≤ 10 GB 31604.8
Potassium permanganate consumption/(mg/kg)
Distilled water (60℃, 2h or boil for 0.5h; then put at ambient temperature for 24h)b ≤ 10 GB 31604.2
Heavy metal (calculated in Pb)/(mg/kg)
4% acetic acid (volume fraction) (60℃, 2h or boil for 0.5h, and then put at ambient temperature for 24h)b ≤ 1 GB 31604.9
a As for paints and coatings in contact with foods for infants, the result shall be converted into mg/kg according to the area volume ratio in actual use, and the limit shall be less than or equal to 60mg/kg.
b As for the test conditions of coatings used for kitchenware and drinkware, "boil for 0.5h, and then put at ambient temperature for 24h" applies, while "60℃, 2h" is adopted for other coatings.
4.3.2 The physical and chemical indexes of monomer and other initiators, such as specific migration limit, total specific migration limit and maximum residue quantity shall meet the requirements of Appendix A and relevant announcement.
4.4 Additives
Additives shall meet the requirements of GB 9685 and relevant announcement.
5 Others
5.1 Migration test
Migration test shall be implemented according to the requirements of GB 31604.1 and GB 5009.156.
5.2 Label identification
Label identification shall meet the requirements of GB 4806.1; moreover, the names of base material and coating material shall also be indicated for coating materials and products.
Contents of GB 4806.10-2016
Foreword I
1 Scope
2 Terms and Definitions
3 Basic Requirements
4 Technical Requirements
5 Others
Appendix A Food Contact Paints and Coatings - Allowable Base Resins with Their Using Requirements
