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GB/T 41168-2021 English PDF

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GB/T 41168-2021: Plastics and aluminum foil laminated retort film and pouch for food packaging
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GB/T 41168-2021English249 Add to Cart 3 days [Need to translate] Plastics and aluminum foil laminated retort film and pouch for food packaging Valid GB/T 41168-2021

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Basic data

Standard ID GB/T 41168-2021 (GB/T41168-2021)
Description (Translated English) Plastics and aluminum foil laminated retort film and pouch for food packaging
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G32
Word Count Estimation 12,180
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 41168-2021: Plastics and aluminum foil laminated retort film and pouch for food packaging

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Plastics and aluminum foil laminated retort film and pouch for food packaging ICS 83:140:10 CCSG32 National Standards of People's Republic of China Plastic and aluminum foil retort composite films and bags for food packaging Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Plastic and aluminum foil retort composite films and bags for food packaging

1 Scope

This document specifies the classification, requirements, test methods, inspection rules and markings, packaging and packaging of plastic and aluminum foil retort composite films and bags for food packaging: packaging, transportation and storage: This document is applicable to retort-resistant composite films and bags made of plastic and aluminum foil as base materials for food packaging:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 191 Graphical signs of packaging, storage and transportation GB/T 1037 Test method for water vapor permeability of plastic films and sheets Cup method GB/T 1038 Test method for gas permeability of plastic films and sheets - Differential pressure method GB/T 1040:3-2006 Determination of Tensile Properties of Plastics Part 3: Test Conditions for Films and Sheets GB/T 2828:1-2012 Counting Sampling Inspection Procedures Part 1: Lot-by-Lot Inspection Sampling Retrieved by Acceptance Quality Limit (AQL) plan GB/T 2918 Standard Environment for Conditioning and Testing of Plastic Specimens GB/T 6672 Plastic Film and Sheet Thickness Determination Mechanical Measurement Method GB/T 6673 Determination of length and width of plastic films and sheets GB/T 7707 Gravure Decorative Prints GB/T 8808 Soft composite plastic material peeling test method GB/T 8809-2015 Test method for plastic film resistance to pendulum impact GB/T 10006 Determination of the coefficient of friction of plastic films and sheets GB 12904 Commodity barcode retail commodity coding and barcode representation GB/T 14257 Commodity barcode barcode symbol placement guide GB/T 14258 Information Technology Automatic Identification and Data Acquisition Technology Barcode Symbol Printing Quality Inspection GB/T 17497:2 Flexographic decorative prints - Part 2: Plastics and metal foils GB/T 18348 Inspection of printing quality of bar code symbols for commodities GB/T 19789 Packaging Materials Plastic Film and Sheet Oxygen Permeability Test Coulomb Meter Test Method GB/T 21049 Hanxin code GB/T 21302-2007 General rules for composite films and bags for packaging GB/T 26253 Determination of Water Vapor Transmission Rate of Plastic Films and Sheets by Infrared Detector Method QB/T 1130-1991 Test method for right-angle tearing properties of plastics QB/T 2358-1998 Test method for heat sealing strength of plastic film packaging bags

3 Terms and Definitions

There are no terms and definitions that need to be defined in this document: 5:5:6 Drop performance of bags The drop performance of the bag shall comply with the provisions of Table 12: 5:5:7 Heat resistance After the heat resistance test, there should be no abnormal phenomena such as obvious discoloration, obvious deformation, peeling between layers and peeling of heat-sealed parts: 5:5:8 Puncture strength, friction coefficient The puncture strength and friction coefficient are negotiated by both parties:

6 Test methods

6:1 Standard environment for sample conditioning and testing According to GB/T 2918, the temperature is 23℃±2℃, the relative humidity is 50%±10%, and the state adjustment time is not less than 4h: under test: 6:2 Sampling The samples should be intact and the number of samples should be sufficient to complete the test items: When sampling the roll film, remove the surface three layers, and then follow the width of the roll film: Sample the cut: 6:3 Appearance quality Visually inspect under natural light and measure with a measuring tool with an accuracy of not less than 0:5mm: 6:4 Printing Quality 6:4:1 Gravure printing According to the provisions of GB/T 7707: 6:4:2 Flexographic printing Carry out according to the provisions of GB/T 17497:2: 6:4:3 Commodity barcode printing Commodity barcodes are carried out in accordance with the provisions of GB/T 18348 and GB/T 14258: 6:4:4 Hanxin code printing The Hanxin code is carried out in accordance with the provisions of GB/T 21049: 6:5 Connectors Visual inspection under natural light: 6:6 Dimensional deviation 6:6:1 The roll film length, roll film width, roll film repeat length, bag length and width deviation shall be carried out according to the provisions of GB/T 6673: 6:6:2 Thickness deviation shall be carried out according to the provisions of GB/T 6672: 6:6:3 The heat-sealing width of the bag shall be measured with a measuring tool with an accuracy of not less than 0:5mm: 6:6:4 The distance between the seal and the edge of the bag shall be measured with a measuring tool with an accuracy of not less than 0:5mm: 6:7 Physical and mechanical properties 6:7:1 Peel force 6:7:1:1 Handling of boiled samples When the sample is a roll film, make a bag of:200mm ×:200mm according to the heat sealing conditions agreed by the supplier and the buyer, and fill the bag with 1/2~200mm of the volume: After 2/3 of the water is exhausted, heat and seal it well, and put it into a heating container for cooking (when the operating temperature exceeds 100 °C, the heating container needs to be equipped with back pressure: setting): The cooking temperature is the highest temperature of the cooking category of the sample or the temperature agreed by the supply and demand sides, and the holding time is 30min or the supply and demand sides: agreed time: After cooking, let it cool to room temperature naturally for testing: 6:7:1:2 Determination of peel force According to the provisions of GB/T 8808, test the peeling force of the samples before and after cooking: 6:7:2 Heat Seal Strength 6:7:2:1 Handling of boiled samples Carry out in accordance with the provisions of 6:7:1:1: 6:7:2:2 Determination of heat seal strength Carry out according to the regulations of QB/T 2358-1998, and test the heat sealing strength of the samples before and after cooking: 6:7:3 Tensile force and nominal strain at break Carry out according to the provisions of GB/T 1040:3-2006: The sample adopts a strip type, the length is 150mm, the width is 15mm±0:3mm, and the distance between the sample clamps is 100mm±1mm: The sample stretching speed is:200mm/min±20mm/min: 6:7:4 Right-Angle Tear Force Carry out the test according to the regulations of QB/T 1130-1991, using a single film: 6:7:5 Pendulum impact energy Carry out according to the provisions of GB/T 8809-2015: 6:7:6 Water vapor transmission Carry out according to the provisions of GB/T 1037 or GB/T 26253: During the test, the contact surface of the contents shall face the low-pressure side of water vapor or the low-concentration side of water vapor, and the test temperature shall be 38℃±0:6℃, and the relative humidity shall be 90%±2%: GB/T 1037 is the arbitration method: 6:7:7 Oxygen transmission rate Carry out according to the provisions of GB/T 1038 or GB/T 19789: During the test, the contact surface of the contents should face the low-pressure side of oxygen or the low-concentration oxygen degree side: GB/T 1038 is the arbitration method: 6:7:8 Pressure resistance of bags Carry out according to the provisions of 6:5:10 in GB/T 21302-2007: 6:7:9 Drop performance of bags Carry out according to the provisions of 6:5:11 in GB/T 21302-2007: 6:7:10 Heat resistance Carry out according to the provisions of 6:7:1:1, and then check whether the sachet has any abnormal phenomena such as obvious discoloration, obvious deformation, peeling between layers, peeling of heat-sealed parts, etc: elephant: When the sample seal is broken, it is necessary to take a sample and redo it: 6:7:11 Puncture strength Carry out according to the provisions of 6:5:5 in GB/T 21302-2007: Take a single mask for the bag to be tested: 6:7:12 Coefficient of friction According to the provisions of GB/T 10006 and the requirements of both supply and demand:

7 Inspection Rules

7:1 Inspection classification Product inspection is divided into factory inspection and type inspection: 7:2 Factory inspection 7:2:1 Batch A batch of products of the same category, the same material structure, and the same specification that are continuously produced with the same raw materials and the same process: largest group of membranes The batch does not exceed 500,000m2, and the maximum batch of bags does not exceed 1,500,000 pieces: 7:2:2 Inspection items Including: appearance quality (5:1), printing quality (5:2), joints (5:3), dimensional deviation (5:4), peel force (5:5:1) and heat seal strength (5:5:2): 7:3 Type inspection 7:3:1 Inspection items The inspection items are all the items specified in Chapter 5: 7:3:2 Inspection frequency In one of the following situations, type inspection shall be carried out: a) When a new product is tested for type identification; b) When there are major changes in raw materials and processes, which may affect product performance; c) When the product has been stopped for more than half a year, when the production is resumed; d) When there is a big difference between the factory inspection results and the last type inspection results; e) When requested by the national quality supervision agency; f) During normal production, once every six months: 7:4 Sampling Plan and Judgment Rules 7:4:1 Appearance quality, printing quality, joint and dimensional deviation shall be based on the S-3, AQL=6:5 secondary sampling plan in GB/T 2828:1-2012 Execute, and carry out quality judgment according to Table 13: The unit of roll film is roll, and the unit of bag is only: If the batch size is less than the required sample size, press the full Partial batch quantity sampling: 7:4:3 For the physical and mechanical properties and other properties, the random sampling method is adopted, and enough samples for testing are selected from each batch for testing: 7:5 Qualification Judgment 7:5:1 Judgment of unqualified items 7:5:1:1 Appearance quality, printing quality, joints and dimensional deviation, if any one of them fails, the roll may only be unqualified: 7:5:1:2 If there are any unqualified items in the inspection results of physical and mechanical properties (excluding the pressure resistance of the bag and the drop performance of the bag), it should be selected from the original batch: Double the number of samples, re-inspect the unqualified items, and the re-inspection results are all qualified, then the item is judged as a qualified item: 7:5:2 Determination of qualified batches 7:5:2:1 Appearance quality, printing quality, joints and dimensional deviation are determined according to Table 13: 7:5:2:2 The pressure resistance and drop performance of the bag shall be determined according to Table 14: 7:5:2:3 If the test results of all items meet the requirements of this document, the batch of products will be judged as qualified: 8 Marking, packaging, transportation and storage 8:1 Logo Each package of the product should be accompanied by a product certificate and indicate the product name, category, specification, conditions of use (temperature, time), quantity, Quality, batch number, production date, inspector code, production unit, production unit address and the document number, etc: 8:2 Packaging Use paper or film that meets food packaging requirements for inner packaging: 8:3 Transport When transporting, avoid collision or contact with sharp objects, light loading and unloading, and avoid sun and rain to ensure that the packaging is intact and the product is not contaminated dye: The marking method is carried out in accordance with the provisions of GB/T 191: 8:4 Storage The product should be stored in a clean, dry and ventilated warehouse, away from sunlight, and not less than 1m away from the heat source:

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