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GB/T 26174-2023: Kitchen towel Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 26174: Historical versions
Similar standardsGB/T 26174-2023: Kitchen towel---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT26174-2023GB NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA ICS 85.060 CCS Y 32 Replacing GB/T 26174-2010 Kitchen towel Issued on. AUGUST 6, 2023 Implemented on. SEPTEMBER 1, 2024 Issued by. State Administration for Market Regulation; Standardization Administration of PRC. Table of ContentsForeword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 6 4 Classification... 7 5 Raw material requirements... 7 6 Technical requirements... 7 7 Test methods... 10 8 Inspection rules... 13 9 Marking and packaging... 17 10 Transportation and storage... 18 Appendix A (Normative) Test method of water absorption time... 19 Appendix B (Normative) Determination of powder drop rate... 21 Appendix C (Normative) Determination of decolorization performance... 23 Appendix D (Normative) List of decomposable carcinogenic aromatic amines... 25 Appendix E (Normative) Determination of microorganisms... 261 ScopeThis document specifies the classification, raw material requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of kitchen towels. This document is applicable to paper towels used for kitchen wiping, cleaning, etc.2 Normative referencesThe following documents contain the provisions which, through normative reference in this document, constitute the essential provisions of this document. For the dated referenced documents, only the versions with the indicated dates are applicable to this document; for the undated referenced documents, only the latest version (including all the amendments) is applicable to this document. GB/T 450 Paper and board - Sampling for testing and identification of machine and cross direction, wire side and felt side GB/T 451.1 Paper and board - Determination of size and deviation GB/T 462 Paper, board and pulps - Determination of moisture content of analytical sample GB/T 742 Fibrous raw material, pulp, paper and board - Determination of residue(ash) on ignition at 575 ℃ and 900 ℃ GB/T 1535 Soya bean oil GB/T 1541 Paper and board - Determination of dirt 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 6682 Water for analytical laboratory use - Specification and test methods GB/T 7974 Paper, board and pulps - Measurement of diffuse blue reflectance factor - D65 brightness (Diff/Geometry, Outdoor daylight conditions) GB/T 10739 Paper, board and pulps - Standard atmosphere for conditioning and testing3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 kitchen towel from plant fiber Kitchen towels produced from native plant fibers.4 Classification4.1 Kitchen towels are divided into superior products and qualified products according to product quality. 4.2 Kitchen towels are divided into kitchen towels from plant fiber and kitchen towels from other fiber according to fiber raw materials.5 Raw material requirements5.1 Any recycled paper, paper printed matter, paper products, and other recycled fibrous materials shall not be used as raw materials for kitchen towels. 5.2 The natural color pulp used in natural color kitchen towels shall comply with the requirements of QB/T 5742.6 Technical requirements6.1 The technical indicators of kitchen towels from plant fiber shall comply with the provisions of Table 1. 6.3 The chemical performance indicators of kitchen towels shall comply with the requirements in Table 3. 6.4 The microbiological indicators of kitchen towels shall comply with the requirements in Table 4. 6.5 The width deviation and pitch deviation of roll kitchen towels and jumbo roll kitchen towels shall not exceed ±5 mm; the dimensional deviation of flat-cut kitchen towels and drawable kitchen towels shall not exceed ±5 mm, and the deviation shall not exceed 3 mm.7 Test methods7.1 Sampling and processing of specimens The sampling shall be carried out in accordance with GB/T 450.When determining grammage, water absorption time, water absorption capacity, oil absorption capacity, transverse tensile strength, and longitudinal wet tensile strength, the specimen processing and standard atmospheric conditions for testing shall be in accordance with the provisions of GB/T 10739. 7.2 Grammage Grammage determination is carried out according to GB/T 24328.5, and the result is expressed as a single layer. 7.7 Transverse tensile strength The transverse tensile strength is measured according to GB/T 24328.3 and measured according to the finished product layer. The width of the specimen is (50.0±0.5) mm or (15.0±0.1) mm. The width of the specimen during arbitration is (50.0±0.5) mm. 7.9 Powder drop rate The powder drop rate is measured according to Appendix B. 7.10 Holes Hold the two corners of the specimen (finished product layer) with both hands and observe with the naked eye against the light. If holes are found, use a steel ruler to measure the maximum size of the holes. The area of the specimen (finished product layer) measured for each sample shall be no less than 0.5 m2 and then converted into the number of holes per square meter (finished product layer). If there are holes larger than 5 mm, at least 1 m2 of the specimen shall be measured. 7.13 Delivery moisture The delivery moisture content is measured according to GB/T 462. 7.14 Migratable fluorescent substances Place the specimen under an ultraviolet lamp and check whether there is fluorescence under ultraviolet light at wavelengths 254 nm and 365 nm. If the specimen has no fluorescence under UV light, the result is that there is no migratable fluorescent substance; if the specimen has fluorescence, the migratable fluorescent substance shall be measured in accordance with Chapter 5 of GB/T 27741-2018. 7.15 Acrylamide Acrylamide is measured according to GB/T 37859. 7.16 Decolorization performance Decolorization performance is measured according to Appendix C. 7.20 Dimensional deviation 7.20.1 Width deviation of roll and jumbo roll kitchen towels Take 3 complete specimens from each sample, measure the width of each specimen (reel) with a steel ruler or steel tape measure with a graduation value of 1 mm, and subtract the nominal width from the average width of the 3 specimens to express the width deviation; the results are rounded to 1 mm. 7.21 Deviation The deviation is measured according to GB/T 451.1. 7.22 Appearance quality Appearance quality shall be inspected visually. When measuring, a whole roll (jumbo roll, package) of paper shall be selected and opened completely for visual inspection.8 Inspection rules8.1 Inspection classification 8.1.1 Factory inspection Before leaving the factory, products shall be inspected batch by batch in accordance with the requirements of this document. The inspection items are shown in Table 5. Products must meet the requirements of this document before they can leave the factory. 8.2 Inspection items The factory inspection items are routine inspection items, and the type inspection items include all inspection items (except for special provisions). See Table 5 for details. 8.3 Batch grouping rules and sampling plan 8.3.1 Batch grouping rules The quantity of one delivery of similar products made from the same raw materials, the same technology, and with the same specifications is one batch, and the quantity of each batch shall not exceed 10,000 boxes (pieces). 8.3.2 Sampling plan 8.4 Judgment rules 8.4.1 Judgment of items 8.4.1.1 Technical indicators If the technical indicators of the sample meet the requirements of 6.1 or 6.2 respectively, the items will be judged to be qualified, otherwise, they will be judged to be unqualified. 8.4.1.5 Appearance quality If the appearance quality of the sample meets the requirements of 6.6, the item will be judged to be qualified, otherwise, it will be judged to be unqualified. 8.4.1.6 Net content If the net content of the sample meets the requirements of 6.7, the item will be judged to be qualified, otherwise, it will be judged to be unqualified. 8.4.2 Judgment of batches Among all inspection items, if the microbiological indicator test results are unqualified, the batch will be judged to be unqualified; for technical indicators, chemical performance indicators, dimensional deviation, deviation, appearance quality, and net content, the number of samples for the first inspection shall be equal to the first sample size given in the plan.9 Marking and packaging9.1 Marking and packaging for product sales 9.1.1 The product sales package marks shall at least include the following content. 9.1.2 The sales package of the product shall be able to ensure that the product is not contaminated. The various identification information on the sales package shall be clear and not easy to fade.. 9.2 Product transport package marks Transport package marks shall at least include the following content.10 Transportation and storage10.1 Clean transportation tools shall be used during the transportation of kitchen towels to prevent product contamination. 10.2 During transporting, pay attention to the integrity of the packaging and do not drop the paper from high places to prevent damage to the outer packaging. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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