GB/T 28117-2011 in English

《GB/T 28117-2011食品包装用多层共挤膜、袋》由TC397（全国食品直接接触材料及制品标准化技术委员会）归口，主管部门为中国轻工业联合会。

1 Scope

This standard specifies the materials, terminologies, definitions, abbreviations, symbols, classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of multi-layer co-extrusion films and pouches for food packaging.
This standard is applicable to the multi-layer non-printed films and pouches with thickness of 0.30mm and used for food packaging which is produced with food-packaging resin through co-extrusion process.

2 Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB/T 191 Packaging - Pictorial Marking for Handling of Goods
GB/T 1037 Test Method for Water Vapor Transmission of Plastic Film and Sheet - Cup Method
GB/T 1038 Plastics - Film and Sheeting - Determination of Gas Transmission - Differential-pressure Method
GB/T 1040.3 Plastics - Determination of Tensile Properties - Part 3: Test Conditions for Films and Sheets
GB/T 2410 Determination of the Luminous Transmittance and Haze of Transparent Plastics
GB/T 2828.1 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection
GB/T 2918 Plastics - Standard Atmospheres for Conditioning and Testing
GB/T 5009.60 Method for Analysis of Hygienic Standard of Products of Polyethylene Polystyrene and Polypropyrene for Food Packaging
GB/T 6672 Determination of Thickness of Plastic Film and Sheeting by Mechanical Scanning
GB/T 6673 Determination of Length and Width of Plastics Film and Sheeting
GB/T 8808 Test Method for Peel Force of Flexible Laminated Plastics
GB/T 9639.1 Plastics Film and Sheeting - Determination of Impact Resistance by the Free-falling Dart Method - Part 1: Staircase Methods
GB 9685 Hygienic Standards for Uses of Additives in Food Containers and Packaging Materials
GB 9687 Hygienic Standard of Products of Polyvinyl Chloride for Food Packaging
GB 9688 Hygienic Standard for Polypropyrene Products Used as Food Containers and Tablewares
GB/T 21302 General Rules of Laminated Films & Pouches for Packaging
QB/T 1130 Test Method for Plastics Angle Tear Performance
QB/T 2358 Test Method for the Heat Sealing Strength of Plastic-film Packaging Bag

3 Terminologies, Definitions, Abbreviations and Symbols

Foreword I
1 Scope
2 Normative References
3 Terminologies, Definitions, Abbreviations and Symbols
4 Classification
5 Requirements
6 Test Methods
7 Inspection Rules
8 Marking, Packaging, Transportation and Storage