Standard No.:	GB/T 28117-2011
English Name:	Multi-layer co-extrusion films and pouches for food packaging
Chinese Name:	食品包装用多层共挤膜、袋
Chinese Classification:	G32    Synthetic resin and plastic
Professional Classification:	GB    National Standard
ICS Classification:	83.140.10 83.140.10    Films and sheets 83.140.10
Issued by:	AQSIQ;SAC
Issued on:	2011-12-30
Implemented on:	2012-8-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	100.0
Delivery:	via email in 1 business day

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