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GB 4806.10-2025: National food safety standard - Painting and coating for food contact materials and products
Status: Valid GB 4806.10: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 4806.10-2025 | English | 569 |
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National food safety standard - Painting and coating for food contact materials and products
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GB 4806.10-2025
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| GB 4806.10-2016 | English | 115 |
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National food safety standard - Food Contact Paints and Coatings
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GB 4806.10-2016
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Basic data | Standard ID | GB 4806.10-2025 (GB4806.10-2025) | | Description (Translated English) | National food safety standard - Painting and coating for food contact materials and products | | Sector / Industry | National Standard | | Classification of Chinese Standard | C53 | | Word Count Estimation | 48,411 | | Date of Issue | 2025-09-02 | | Issuing agency(ies) | National Health Commission; State Administration for Market Regulation | GB 4806.10-2025: National food safety standard - Painting and coating for food contact materials and products
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB4806.10-2025
National Standards of the People's Republic of China
National Food Safety Standards
Coatings and coatings for food contact materials and articles
Published on 2025-09-02
Implemented on 2026-09-02
National Health Commission of the People's Republic of China
State Administration for Market Regulation issued
Foreword
This standard replaces GB 4806.10-2016 "National Food Safety Standard - Coatings and Coatings for Food Contact" and the former National Health and Family Planning Commission's standard.
Family Planning Commission Announcement No. 14 of.2014, Announcement No. 5 of.2016, Announcement No. 7 of.2016, and Announcement No. 13 of.2016.
Announcement No. 9 of.2017, Announcement No. 3 of.2018, Announcement No. 9 of.2018, and Announcement No. 11 of.2018 issued by the National Health Commission.
Announcements, Announcement No. 15 of.2018, Announcement No. 2 of.2019, Announcement No. 4 of.2019, Announcement No. 6 of.2019, and Announcement No. 4 of 2020
Announcements, Announcement No. 6 of 2020, Announcement No. 9 of 2020, Announcement No. 2 of 2021, Announcement No. 6 of 2021, and Announcement No. 9 of 2021
Announcements, Announcement No. 1 of 2022, Announcement No. 2 of 2022, Announcement No. 5 of 2022, Announcement No. 1 of 2023, and Announcement No. 3 of 2023
The report mentions the base raw materials for paints and coatings.
Compared with the aforementioned standards and announcements, the main technical changes in this standard are as follows.
---The standard name has been modified;
---The range has been modified;
---Terminology and definitions have been revised;
---Basic requirements have been revised;
---Raw material requirements have been revised;
---Modified physicochemical properties;
---The migration test requirements have been revised;
---The label identifier has been modified;
---Appendix A has been revised.
National Food Safety Standards
Coatings and coatings for food contact materials and articles
1.Scope
This standard applies to coatings and coatings used in food contact materials and products.
2.Terms and Definitions
2.1 Coatings and coatings for food contact materials and articles
Intended to be applied to food contact materials and articles, which may come into direct or indirect contact with food but whose components may transfer into the food.
Coatings, and the coatings (films) formed therefrom.
3.Basic Requirements
3.1 Coatings and coatings used in food contact materials and articles shall comply with the provisions of GB 4806.1.
3.2 Manufacturers of coatings for food contact materials and products should improve their processes through formulation design, raw material selection, production process control, and product information dissemination.
Methods to control the safety risks of coating products.
3.3 Companies using coatings for food contact materials and products should improve packaging design, increase effective barrier layers, and optimize curing processes, including addressing seams and edges.
Control measures, such as those related to product information transmission, address the safety risks posed by coatings. While achieving the desired effects, the risks associated with coatings should be minimized as much as possible.
Usage and residue levels.
4.Technical Requirements
4.1 Raw material requirements
4.1.1 The use of base raw materials in coatings and coatings for food contact materials and articles shall comply with the provisions of Appendix A and relevant announcements.
4.1.2 The use of additives in coatings and coatings for food contact materials and products shall comply with the provisions of GB 9685 and related announcements.
4.2 Sensory requirements for coating
The sensory requirements for coatings that come into direct contact with food shall comply with the provisions of Table 1.
Table 1 Sensory Requirements
Project Requirements
The surface should be smooth, uniform in color, and free of pores; after soaking, it should not crack, bubble, or peel off.
The immersion solution obtained from the migration test should not exhibit any deterioration in sensory properties, such as discoloration, turbidity, precipitation, or off-odor.
4.3 Physicochemical Indicators
4.3.1 General Physicochemical Indicators
The general physical and chemical properties of the coating should conform to the specifications in Table 2.
Table 2 General Physicochemical Indicators
Project indicator testing methods
Total migration a/(mg/dm2)b ≤ 10 GB 31604.8
Potassium permanganate consumption a/(mg/kg)
Water (60℃, 2h or boiled for 0.5h, then left to stand at room temperature for 24h) c ≤ 10
GB 31604.2
Heavy metals (as Pb) a/(mg/kg)
4% acetic acid (volume fraction) (60℃, 2h or boiling for 0.5h, then standing at room temperature for 24h) c ≤ 1
GB 31604.9
Total migration of aromatic primary amines d/(mg/kg)
Not detectable
(Detection limit = 0.01 mg/kg)
GB 31604.52
This applies only to coatings that come into direct contact with food. For coatings that come into indirect contact with food, this item is subject to the corresponding national food safety standards for coatings that come into direct contact with food.
The regulations shall be followed.
b. Coatings used in contact materials and products for infant and toddler foods should be converted to mg/kg based on the actual area-to-volume ratio in use, and the results should be limited.
The dosage is ≤60mg/kg.
c. The test conditions for the coating of cookware are "boiling for 0.5 hours, then leaving at room temperature for 24 hours", and the test conditions for other coatings are "60℃ for 2 hours".
d. Applicable only to coatings containing aromatic isocyanates and azo colorants, which may produce aromatic primary amines. It should be applied after the coating has fully cured.
After completion, the migration of aromatic primary amines in the final food contact materials and articles shall be detected. This is specified in Appendix A of this standard, GB 9685, and related announcements.
For aromatic primary amines with established migration limits, the limits shall be implemented in accordance with relevant regulations.
4.3.2 Other physicochemical properties
4.3.2.1 Coatings used in food contact materials and articles shall comply with the specific migration limits (SML) for the base raw materials specified in Appendix A and relevant announcements.
The regulations specify physical and chemical indicators such as the total migration limit [SML(T)] and the maximum residue limit (QM).
4.3.2.2 Coatings used in food contact materials and articles shall comply with GB 9685 and related announcements regarding additives such as SML, SML(T), and QM.
Specifications for physicochemical indicators.
5 Other
5.1 Migration Test
5.1.1 Migration tests shall be conducted in accordance with the provisions of GB 31604.1 and GB 5009.156.Where there are special provisions in this standard, those provisions shall prevail.
5.1.2 When conducting a total migration test on the surface coating of metal cans (including the can body, can lid, pull ring, etc.) using 4% (volume fraction) acetic acid, if...
The test sample exhibited changes that would not occur under normal use conditions (such as coating peeling, blistering, metal corrosion, etc.), or the immersion solution showed precipitation.
If turbidity or other changes occur, an inert substrate (such as stainless steel or glass) should be selected, coated with the appropriate coating, and a representative sample should be prepared for a new total migration test.
If the aforementioned changes still occur when using an inert substrate, or if preparing representative samples is not feasible, 10% (volume fraction) ethanol may be used as a substitute.
4% (volume fraction) acetic acid.
5.2 Labeling
Labeling shall comply with GB 4806.1.
Appendix A
Permitted basic raw materials and usage requirements for coatings and coatings used in food contact materials and articles
Table A.1 specifies the list of basic raw materials permitted for use in coatings and coatings for food contact materials and articles, along with their usage requirements.
The basic raw materials listed are based on their CAS numbers; for those without CAS numbers, their Chinese names shall prevail.
A.2 Relative molecules formed by polymerization or other means from basic raw materials such as monomers, other starting materials, and basic polymers listed in Table A.1.
Substances with a mass greater than 1000 Da are also permitted as base materials for food contact coatings and coatings, provided they comply with the requirements for corresponding monomers and other components.
Restrictive requirements on basic raw materials such as precursors and basic polymers.
A.3 The specific migration limit [SML(T)] and SML(T) grouping number in GB 9685 apply to this standard.
A.4 For polymers synthesized in Table A.1, if the monomers and other starting materials used are acids, alcohols, or phenols, their sodium, potassium, and calcium salts (including...)
Acid salts and double salts may also be used in the synthesis of the corresponding polymers, provided that the limits of the corresponding acid, alcohol, or phenol monomers and other starting materials are met.
Regulatory requirements; the sodium, potassium, and calcium salts (including acid salts and double salts) of the monomers and other starting materials listed in Table A.1 shall be used in accordance with this specification.
The provisions of the standard shall be followed.
Table A.1 Permitted basic raw materials and usage requirements for coatings and coatings used in food contact materials and articles
Chinese name CAS number
Maximum usage
SML/QM
mg/kg
SML(T)
mg/kg
SML(T)
Group numbering
Other requirements
(E)-2-Butenic acid and
1,3-Isobenzofurandione
Polymerization with tricyclodecanediol
Compounds
68784-89-4
15 (until the coating is dry)
(Recalculated)
0.05 (Tri-ring Gui Er Jia)
Alcohol. SML)
The operating temperature must not be too high.
At 121℃
(Z)-9-Octadenylated imide
2,1-ethylidene polydimethylbenzene
Ethylene oxide
26635-93-8
According to production needs
Use in appropriate amounts
ND (Ethylene oxide.
SML,DL = 0.
0.1 mg/kg) or 1
(Ethylene oxide. QM)
Ethylene oxide readily reacts with water
Food simulants
Biological reactions can be carried out using residual substances.
Retention screening migration volume
Verify its compliance
(Z,Z)-α-(1-oxo-9-
(1-)-ω-[(1-
(oxo-9-eneoctadecyl)
Oxygenated polyoxyethylene
9005-07-6
According to production needs
Use in appropriate amounts
ND (Ethylene oxide.
SML,DL = 0.
0.1 mg/kg) or 1
(Ethylene oxide. QM)
The operating temperature must not be too high.
At 100℃; ethylene oxide
Alkane is easily mixed with water-based foods
Simulated object reacts
Residual amount can be used.
Screening migration verification
Its compliance
(2E,4E)-2,4-hexadiene
Acids and hydroquinone, epoxy
Chloropropane, ethyl acrylate,
4,4'-Methylenebis(2,6-
dimethylphenol), methylpropene
Methyl methacrylate, methacrylic acid
polymers of acrylic acid and
The reaction of dimethylaminoethanol
product
According to production needs
Use in appropriate amounts
0.6 (hydroquinone.
SML);4,4'-Asian League
2,6-dimethyl bis(2,6-dimethyl)
Phenol (TMBPF) phase
See relevant quantity limits.
Note 1
6 (with acrylic acid)
(Calculated); 6 (with methyl)
(Acrylic acid meter)
22;23
Not to be used in the production of infant formula
Baby food
Contact materials and products; make
The temperature must not exceed [a certain level].
130℃; Epichlorohydrin
Alkane is easily mixed with water-based foods
Simulated object reacts
Residual amount can be used.
Screening migration verification
Its compliance
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