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GB 4806.7-2023 English PDF (GB4806.7-2023)

GB 4806.7-2023 English PDF (GB4806.7-2023)

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GB 4806.7-2023: National food safety standard - Plastic materials and products for food contact
This standard applies to food contact plastic materials and articles, including unvulcanized thermoplastic elastomer materials and articles. This standard also applies to the food contact starch-based plastic materials and articles.
GB 4806.7-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
National food safety standard - Food contact plastic
materials and articles
ISSUED ON. SEPTEMBER 06, 2023
IMPLEMENTED ON. SEPTEMBER 06, 2024
Issued by. National Health Commission of PRC;
State Administration for Market Regulation.
Table of Contents
Foreword... 3
1 Scope... 4
2 Terms and definitions... 4
3 Basic requirements... 5
4 Technical requirements... 5
5 Others... 7
Annex A Allowable resins in food contact plastic materials and articles and their application requirements... 8
Annex B Abbreviations of general category names of plastics and resins.. 38 National food safety standard - Food contact
plastic materials and articles
1 Scope
This standard applies to food contact plastic materials and articles, including unvulcanized thermoplastic elastomer materials and articles.
This standard also applies to the food contact starch-based plastic materials and articles.
2 Terms and definitions
2.1
resin
macromolecular substance that is synthesized by addition polymerization, condensation polymerization, microbial fermentation polymerization and other polymerization reactions with corresponding monomer and other starting
materials as main raw materials, as well as chemically modified natural or synthetic macromolecular substance, it is also known as the polymer
2.2
resin blend
macroscopically uniform and continuous solid polymer material which is
blended with two or more polymers with the same or different chemical
structures and physical states by physical and/or chemical methods, in which each polymer can be used as the main structural constituent or phase of resin materials and articles, it is also known as polymer alloy
2.3
plastic materials
polymer materials between resin and plastic articles that is made by taking one or several resins (including resin blends) or their premixes and prepolymers as main structural constituents, adding necessary additives and processing under certain temperature and pressure, including plastic granules (or chips), powders, masterbatch, sheets and other plastic materials
2.4
plastic articles
finished food contact articles (or final products) with certain shape which are processed by taking resin (containing resin blend) or plastic materials as raw materials and adding necessary additives
2.5
masterbatch
condensate that is made by overloading additives (such as colorants, fillers, reinforcers, stabilizers, etc.) that affect the physical properties of plastic materials and articles in one or several resins, and can be processed into other plastic materials and articles by blending with resin or plastic materials 3 Basic requirements
The food contact plastic materials and articles shall meet the requirements of GB 4806.1.
4 Technical requirements
4.1 Requirements for raw materials
4.1.1 The use of resins in food contact plastic materials and articles shall meet the requirements of Annex A and relevant announcements.
4.1.2 The use of additives (including plant fiber fillers) in food contact plastic materials and articles shall meet the requirements of GB 9685 and relevant announcements.
4.1.3 The starch used in the food contact starch-based plastic materials and articles shall be edible starch or modified starch. Edible starch shall meet the requirements of GB 31637.Modified starch shall be of the variety specified in GB 2760 and approved by relevant announcements. And its quality
specifications shall meet the requirements of corresponding national food safety standards.
4.3.2 Other physical and chemical indexes
4.3.2.1 Food contact plastic materials and articles shall meet the
requirements of Annex A and relevant announcements on physical and
chemical indexes -- such as specific migration limit (SML); total specific migration limit [SML(T)]; and maximum permitted quantity (QM) of monomer and other starting materials of plastic resins used.
4.3.2.2 Food contact plastic materials and articles shall meet the
requirements of GB 9685 and relevant announcements on physical and
chemical indexes -- such as SML, SML(T), QM of additives used.
4.4 Other technical requirements
The food contact plastic materials and articles using coatings, inks and/or adhesives shall also meet the corresponding national food safety standards for coatings, inks and/or adhesives.
5 Others
5.1 Migration test
The migration test shall be carried out in accordance with those specified in GB 31604.1 and GB 5009.156, unless there are special requirements in this standard.
5.2 Labels
The labels shall meet the requirements of GB 4806.1.
Annex A
Allowable resins in food contact plastic materials and articles and
their application requirements
A.1 Table A.1 specifies the list of allowable plastic resins in food contact plastic materials and articles and their application requirements. The resins listed in Table A.1 shall be subject to CAS No., and those without CAS No. shall be subject to their English names.
A.2 The total specific migration limit [SML(T)] and SML(T) grouping number in GB 9685 apply to this standard.
A.3 If monomers or other starting materials used in the synthesis of resins in Table A.1 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 corresponding resins, and shall meet the restrictive requirements of the corresponding acid, alcohol or phenolic monomers or other starting materials. Sodium, potassium and calcium salts (including acid salts and double salts) of monomers or other starting materials listed in Table A.1 shall be used
according to the requirements of this standard.
A.4 See Annex B for the abbreviations of general category names of various plastic resins in Table A.1.
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