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GB/T 28466-2012: Polyester filament embroidery threads Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 28466-2012: Polyester filament embroidery threads---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/GBT28466-2012GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 59.080.20 W 58 Polyester filament embroidery threads Issued on. JUNE 29, 2012 Implemented on. DECEMBER 01, 2012 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Classification... 5 4 Requirements... 5 5 Grading rules... 7 6 Test methods... 7 7 Acceptance rules... 9 8 Packaging, marks, storage and transportation... 10 Annex A (informative) Reference values of twist degree and filament cross section of polyester filament embroidery threads... 11ForewordThis Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard was proposed by China National Textile and Apparel Council. This Standard shall be under the jurisdiction of National Technical Committee on Textile of Standardization Administration of China (SAC/TC 209). The drafting organizations of this Standard. Zhejiang Huaxin New Materials Co., Ltd. Main drafters of this Standard. Cao Xinyang, Qian Zhangbao, Zhao Jiangfeng, Yu Haixiang, Wang Guomin. Polyester filament embroidery threads1 ScopeThis Standard specifies classification, requirements, grading rules, test methods, acceptance rules as well as packaging, marks, storage and transportation for polyester filament embroidery threads. This Standard is applicable to polyester filament embroidery threads.2 Normative referencesThe 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 referenced document (including any amendments) applies. GB/T 250, Textiles - Tests for colour fastness - Grey scale for assessing change in colour GB/T 251, Textiles - Tests for colour fastness - Grey scale for assessing staining GB/T 3916, Textiles - Yarns from packages - Determination of single-end breaking force and elongation at break GB/T 3920, Textiles - Tests for colour fastness - Colour fastness to rubbing GB/T 3921-2008, Textiles - Tests for colour fastness - Colour fastness to washing with soap or soap and soda3 ClassificationPolyester filament embroidery threads, according to different processes, are classified into.4 Requirements4.1 The requirements for polyester filament embroidery threads are divided into internal quality and appearance quality. 4.2 See Table 1 for single thread breaking strength requirements for polyester filament embroidery threads. 4.4 See Table 3 for requirements for appearance quality of polyester filament embroidery threads. 4.6 Refer to Annex A for the twist and cross-section reference values of polyester filament embroidery threads.5 Grading rules5.1 Grading of finished product quality The quality of finished polyester filament embroidery threads is graded into high-class product, first-class product and conforming product. 5.2 Assessment rules6 Test methods6.1 Linear density test The test method of linear density is carried out according to procedure 3 in GB/T 4743-2009.The linear density deviation rate is calculated according to formula (1). The result retains 2 significant digits. 6.3 Length test 6.3.1 The length measuring device used for length test shall meet the requirements of GB/T 4743. 6.3.2 When testing the length, the pre-tension of single thread is (0.5±0.1)cN/tex. 6.4 Test of color fastness to soaping According to the provisions of test method C (3) in GB/T 3921-2008. 6.5 Test for color fastness to rubbing According to GB/T 3920. 6.6 Test of color fastness to heat pressing According to dry pression at a temperature of (150±2)°C in GB/T 6152-1997. 6.7 Test method for the number of knots Fix the embroidery thread tube. On the embroidery thread rewinding machine, use mechanical yarn clearer to test. 6.8 Appearance quality inspection7 Acceptance rules7.1 Sampling Take the products of the same variety, same specification and same color as an inspection lot. See Table 4 for rules on sample quantity extracted per batch for internal quality as well as number of tests. See Table 5 for rules on sampling quantity for appearance quality inspection. 7.2 Evaluation of results 7.2.1 The internal quality shall meet the requirements of 4.2 and 4.3.If there is any non-conformity in the inherent quality, the same quantity of products can be re-inspected. The re-inspection result is the final result of the batch of products. 7.2.2 The appearance quality shall meet the requirements of 4.4.If the appearance quality does not meet the rate of 5% or less, the products that do not meet the requirements shall be replaced on site.8 Packaging, marks, storage and transportation8.1 Packaging Products are packed in boxes according to different colors, varieties, specifications, batch numbers and grades. Mixed packing is prohibited. 8.2 Marks 8.3 Transportation The product shall be tightly covered during transportation. The product cannot be exposed to rain, moisture, sun exposure and high temperature to prevent deterioration.Annex A(informative) Reference values of twist degree and filament cross section of polyester filament embroidery threads See Table A.1 for reference values of twist degree and filament cross section of polyester filament embroidery threads. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 28466-2012 be delivered?Answer: The full copy PDF of English version of GB/T 28466-2012 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 28466-2012_English with my colleagues?Answer: Yes. 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