GB/T 41220-2021 English PDFUS$249.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 41220-2021: Laminated lidding film for food packaging Status: Valid
Basic dataStandard ID: GB/T 41220-2021 (GB/T41220-2021)Description (Translated English): Laminated lidding film for food packaging Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G32 Word Count Estimation: 12,125 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 41220-2021: Laminated lidding film 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.Laminated lidding film for food packaging ICS 83:140:10 CCSG32 National Standards of People's Republic of China Composite plastic cover film for food packaging Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Composite plastic cover film for food packaging 1 ScopeThis document specifies the classification and grading, requirements, test methods, inspection rules and signs, packaging, transportation and transport and storage: This document applies to composite films that use plastic as the heat-sealing layer to seal food containers:2 Normative referencesThe 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 2410 Determination of transmittance and haze of transparent plastics 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 2918-2018 Standard Environment for Conditioning and Testing of Plastic Samples 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 Test method for resistance to pendulum impact of plastic films GB/T 10006 Determination method for 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 17497:1 Flexographic decorative prints - Part 1: Paper 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 Coulometric Test Method GB/T 21049 Hanxin code GB/T 21302 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 Test method for right-angle tearing properties of plastics 5:5:5 Other physical and mechanical properties Tensile force, nominal strain at break, right-angle tear force, coefficient of friction, resistance to pendulum impact energy, heat resistance, cold resistance, puncture strength, light transmittance and The properties such as haze are negotiated by both the supplier and the buyer:6 Test methods6:1 Standard environment for sample conditioning and testing According to GB/T 2918-2018, the temperature is 23℃±2℃, the relative humidity is 50%±10%, the state adjustment time is not less than 4h, and Experiments were carried out under these conditions: 6:2 Sampling The samples should be intact, and the sampling quantity is sufficient to complete the test items: When sampling the film roll, the surface three layers should be removed, and then along the width of the film roll: 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 quality According to the provisions of GB/T 7707: 6:4:2 Flexographic printing quality Carry out according to the provisions of GB/T 17497:1 or GB/T 17497:2: 6:4:3 Barcode Printing Quality Carry out according to the provisions of GB/T 14258 and GB/T 18348: 6:4:4 Hanxin code printing quality According to the provisions of GB/T 21049: 6:5 Dimensional deviation 6:5:1 Length and width deviations According to the provisions of GB/T 6673: 6:5:2 Thickness deviation According to the provisions of GB/T 6672: 6:5:3 Repeat length deviation Measure with a measuring tool with an accuracy of not less than 0:5mm: For repeat lengths less than 80mm, take 10 consecutive repeat length measurements, Then take the arithmetic mean value for calculation; for the repeat length greater than or equal to 80mm, take 5 consecutive repeat length measurements, and then take the arithmetic mean value: mean calculation: 6:6 Physical and mechanical properties 6:6:1 Inner peel force According to the provisions of GB/T 8808: 6:6:2 Heat Seal Strength 6:6:2:1 The heat sealing method and conditions of the film and the sheet material to simulate the food container shall be negotiated between the supplier and the buyer: 6:6:2:2 After the cover film and the sheet are sealed by the heat-sealing testing machine, take the heat-sealing part as the center and open at 180°: Clamp the cover film on the tester In the fixture, the sheet is clamped into the lower fixture, and the axis of the sample should coincide with the centerline of the upper and lower fixtures: The clamp spacing is 50mm, and the test speed is 300mm/min±20mm/min, read the maximum load when the sample is delaminated with the sheet or the sample is broken: 6:6:2:3 Other conditions shall be carried out with reference to the provisions of QB/T 2358: 6:6:3 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 the water vapor or the water vapor On the low concentration side, the test temperature is 38℃±0:6℃, and the relative humidity is 90%±2%: GB/T 1037 is the arbitration method: 6:6:4 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: 6:6:5 Tensile force and nominal strain at break Carry out according to the provisions of GB/T 1040:3-2006: The sample adopts the type 2 strip, the length is greater than or equal to 150mm, the width is 15mm±1mm, and the distance between the sample clamps is 100mm±10mm 1mm, the tensile speed of the sample is:200mm/min±20mm/min: 6:6:6 Right-angle tearing force Carry out according to the regulations of QB/T 1130: 6:6:7 Coefficient of friction According to the provisions of GB/T 10006: 6:6:8 Anti-pendulum impact energy According to the provisions of GB/T 8809: 6:6:9 Heat resistance Put 1/2~2/3 of water into the heat-sealed container with the cover film and seal it: Put it in a heating container for heating (use temperature exceeds 100°C When the heating container needs to be equipped with a back pressure device): The boiling or steaming temperature is the highest temperature of the category of use of the sample or the temperature agreed between the supplier and the buyer, The holding time is 30min or the time agreed by both parties: After heating, let it cool to room temperature naturally, and check whether the cover film is obviously deformed, layered or not: The phenomenon of peeling off between parts, peeling off of heat-sealed parts, etc: 6:6:10 Cold resistance Put 1/2~2/3 of water into the heat-sealed container with the cover film and seal it, keep it at -18°C for 12h, and then dissolve it naturally at room temperature: Freeze or warm to 10°C~20°C with warm water around 20°C: Check whether the cover film has obvious deformation, interlayer peeling, peeling of heat sealing parts, etc: Phenomenon: 6:6:11 Puncture strength According to the provisions of GB/T 21302: 6:6:12 Transmittance and haze According to the provisions of GB/T 2410: 6:7 Connectors Visual inspection under natural light:7 Inspection rules7:1 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: maximum batch size More than 500000m2: 7:2:2 Inspection items The inspection items are appearance quality (5:1), printing quality (5:2), dimensional deviation (5:3), joint (5:4), inner 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; 7:5:1:3 Dimensional deviation If it meets the requirements of 5:3, it is judged that the size deviation is qualified: 7:5:1:4 Connectors If the requirements in 5:4 are met, the joint is judged to be qualified: 7:5:1:5 Inner layer peel force and heat seal strength If there are any unqualified items in the test results of inner layer peel force and heat sealing strength, double samples should be taken from the batch to re-examine the unqualified items and re-inspect: If all the results are qualified, it will be judged as qualified: 7:5:1:6 Other physical and mechanical properties If there are unqualified items in other physical and mechanical properties, double samples should be taken from the batch to re-examine the unqualified items, and the re-inspection results are all satisfactory: Qualified, it is considered qualified: 7:5:2 Determination of qualified batches The results of all testing items are qualified, then the batch of products is judged to be in compliance with this document: 8 Marking, packaging, transportation and storage 8:1 Logo Each package of the product should be accompanied by a product certificate and marked with the product name, specification, quantity, quality, batch number, production date, inspector's representative number, the name of the manufacturer, the address of the manufacturer and the number of this document, etc: 8:2 Packaging Use plastic film or paper that meets food packaging requirements as 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, avoid sunlight, not less than 1m from the heat source, and stack reasonably: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 41220-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 41220-2021_English as soon as possible, and keep you informed of the progress. 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