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GB 4806.9-2023 PDF in English


GB 4806.9-2023 (GB4806.9-2023) PDF English
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GB 4806.9-2023: PDF in English

GB 4806.9-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
National Food Safety Standard - Metal Materials and
Products for Food Contact
ISSUED ON: SEPTEMBER 6, 2023
IMPLEMENTED ON: SEPTEMBER 6, 2024
Issued by: National Health Commission of the People’s Republic of China;
State Administration for Market Regulation.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Terms and Definitions ... 4
3 Basic Requirements ... 4
4 Technical Requirements ... 5
5 Others ... 7
Appendix A Special Requirements for Migration Test ... 9
Foreword
This Standard serves as a replacement of GB 4806.9-2016 National Food Safety Standard -
Food Contact Metal Materials and Articles.
In comparison with GB 4806.9-2016, the main changes are as follows:
---The terms and definitions are modified;
---The requirements for raw materials are modified;
---The physical and chemical indicators are modified, and alloy element migration limit
indicators are added;
---Other technical requirements are added;
---Special use requirements are deleted;
---The migration test is modified;
---The requirements for label identification are modified;
---The special requirements for migration test in Appendix A are modified.
National Food Safety Standard - Metal Materials and
Products for Food Contact
1 Scope
This Standard is applicable to metal materials and products for food contact.
2 Terms and Definitions
2.1 Metal Materials and Products for Food Contact
Under normal conditions of use, various metal (including various metal plating and alloys)
materials and products that are expected to come into contact with or have come into contact
with food. Hereinafter referred to as “metal materials and products”.
2.2 Metal Plating
A metal coating formed on the food-contact surface of a solid material or product through
various plating techniques.
2.3 Base Material
A material constituting the matrix of metal materials and products, excluding surface coatings
and metal plating.
2.4 Alloy Elements
When smelting metals, one or multiple metallic or non-metallic elements that are intentionally
added to achieve certain property requirements (such as: tensile strength, hardness, wear
resistance, corrosion resistance and electrical conductivity, etc.).
Metallic alloy elements, such as: aluminum, copper, chromium, manganese, molybdenum,
nickel, zinc, tin and cobalt, etc.; non-metallic alloy elements, such as: carbon and silicon, etc.
2.5 Impurity Elements
Unintentionally added elements remaining in a metal.
3 Basic Requirements
The metal materials and products shall comply with the stipulations of GB 4806.1.
4.4 Other Technical Requirements
4.4.1 The metal materials and products for food contact that use coatings, inks and (or)
adhesives, etc. shall also comply with the stipulations of corresponding national food safety
standards for coatings, inks and (or) adhesives, etc.
4.4.2 The amount of tin in tinned thin steel plate containers that migrates into food shall satisfy
the requirements of GB 2762 and other relevant national food safety standards.
5 Others
5.1 Migration Test
5.1.1 The migration test shall be carried out in accordance with the stipulations of GB 31604.1
and GB 5009.156. Except for the special stipulations in Appendix A.
5.1.2 The metal materials and products expected to be repeatedly used shall be subject to three
migration tests in accordance with the requirements of GB 31604.1. Specifically speaking, the
compliance of stainless-steel materials and products is determined based on the determination
results of the third test. If the amount of migration measured in the first test does not exceed the
limit, and there is evidence to prove that the amount of migration measured in subsequent tests
will not increase, there is no need to conduct the subsequent tests. Metal materials and products
made of other textures will be deemed disqualified if any one of the three migration test results
exceeds the limit.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.