FZ/T 12008-2024 English PDFUS$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. FZ/T 12008-2024: (Vinylon natural yarn) Status: Valid FZ/T 12008: Historical versions
Basic dataStandard ID: FZ/T 12008-2024 (FZ/T12008-2024)Description (Translated English): (Vinylon natural yarn) Sector / Industry: Spinning & Textile Industry Standard (Recommended) Classification of Chinese Standard: W12 Classification of International Standard: 59.080.20 Word Count Estimation: 12,194 Date of Issue: 2024-07-05 Date of Implementation: 2026-07-01 Older Standard (superseded by this standard): FZ/T 12008-2014 Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China Summary: This standard specifies the product classification, marking, requirements, inspection rules, marking, packaging and other contents of vinylon (cotton-type staple fiber) natural yarn, and specifies the corresponding test methods. FZ/T 12008-2014: Vinylon spun grey yarn---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.Vinylon spun grey yarn ICS 59.080.20 W12 People's Republic of China textile industry standards Replacing FZ/T 12008-2005 PVA yarn qualities Issued on. 2014-05-06 2014-10-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. Instead of the standard FZ/T 12008-2005 "PVA yarn qualities." This standard FZ/T 12008-2005 compared to the main changes are as follows. --- Revised Chapter 3 classification will be calculated 100m standards of quality and standards into the dry mass of Appendix A, delete the line density to Demand content; --- Technical requirements, modify the name of part of the project, evenness assessment retain only evenness coefficient of variation; --- Yarn breaking strength of the coefficient of variation, linear density coefficient of variation, evenness variation coefficient and other indicators have been adjusted; --- Cancel indicators along the lower assessment, according to the technical requirements of the products, such as a minimum assessment; --- Increase high-strength polyvinyl alcohol fiber technology content; --- Sampling provisions have been adjusted. The standard proposed by China Textile Industry Association. This standard by the National Technical Committee of Standardization Technical Committee printing and dyeing cotton textiles (SAC/TC209/SC2) centralized. This standard was drafted. Zhejiang Spring Textile Group Co., Ltd., Qilu Hong Textile Group Co., Ltd., Shandong Liangshan blue sky set Textile Group Co., Ltd., Shanghai textile industry technical supervision, China Textile Industry Association. The main drafters of this standard. Chennai Ying, Sunbo Yong, Li Hanli at Qing Li, Wang Yi Jing, Jing Shen whole. This standard replaces the standards previously issued as follows. --- FJ534-1983; --- FZ/T 12008-1999, FZ/T 12008-2005. PVA yarn qualities1 ScopeThis standard specifies the polyvinyl alcohol (short cotton fibers) yarn qualities product classification, marking, requirements, test methods, inspection rules and signs, package. This standard applies to ring PVA yarn qualities. This standard does not apply to special purpose Identification PVA yarn qualities.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 398-2008 cotton yarn qualities GB/T 3292.1 Textiles yarn evenness test methods - Part 1. capacitance method GB/T 3916 Textiles - Determination of yarn single yarn breaking strength and elongation at break GB/Textiles - Determination of the normal density of the yarn skein T 4743-2009 FZ/T 01050 Textile yarn defect grading and inspection methods capacitive FZ/T 10007 pure cotton and chemical fiber spinning, blended yarn qualities inspection rules FZ/T 10008 cotton and chemical fiber spinning pure, blended yarn qualities marking and packaging 3 product classification, marking PVA yarn qualities to 3.1 linear density classification. 3.2 PVA material, code-named V. 3.3 PVA yarn qualities mark should be online before yarn material density indicated code. Example. The PVA yarn having a linear density of 18.5tex, should be written as. V18.5tex.4 Requirements4.1 Project 4.1.1 The PVA yarn technical requirements include yarn breaking strength coefficient of variation, variation coefficient of linear density, yarn breaking strength, linear density deviation Rate, evenness coefficient of variation, one hundred thousand meters of yarn faults six indicators. 4.1.2 PVA character line technical requirements include singlet breaking strength coefficient of variation, linear density coefficient of variation, in-line breaking strength, linear density deviation Rate, evenness coefficient of variation of five indicators. 4.2 grading regulations 4.2.1 of the same material, the same process for continuous production of the same specifications as one or several test batches. According to the provisions of the test side Test method, in accordance with its evaluation of results PVA yarn qualities of goods. 4.2.2 product quality levels divided into superior products, first-class product, second product, lower than the index's second product is substandard products. 4.2.3 PVA yarn qualities quality grade according to product specifications to an ongoing assessment project in the lowest rating. 4.3 Technical Requirements 4.3.1 The PVA yarn according to the technical requirements specified in Table 1. Table 1 PVA yarn in this technical requirement Nominal linear density tex grade Yarn strength The coefficient of variation Linear density The coefficient of variation Yarn break Tear strength cN/tex Linear density Deviation rate Evenness The coefficient of variation One hundred thousand meters yarn faults A/105m 10.1 to 13.0 11.5 14.0 17.5 2.0 3.0 4.0 20.0 18.0 16.0 ± 2.0 ± 2.5 ± 3.0 15.5 18.5 21.0 13.1 to 16.0 11.0 13.5 17.0 2.0 3.0 4.0 20.5 18.5 16.5 ± 2.0 ± 2.5 ± 3.0 15.0 18.0 20.5 16.1 to 20.0 10.5 13.0 16.5 2.0 3.0 4.0 21.0 19.0 17.0 ± 2.0 ± 2.5 ± 3.0 14.0 17.0 19.5 20.1 to 31.0 10.0 12.5 16.0 2.0 3.0 4.0 21.5 19.5 17.5 ± 2.0 ± 2.5 ± 3.0 13.5 16.5 19.0 31.1 to 35.0 9.5 12.0 15.5 2.0 3.0 4.0 21.0 19.0 17.0 ± 2.0 ± 2.5 ± 3.0 12.5 15.5 18.0 35.1 ~ 70.0 9.5 12.0 15.5 2.0 3.0 4.0 20.5 18.5 16.5 ± 2.0 ± 2.5 ± 3.0 11.5 14.5 17.0 Note. When using high-strength polyvinyl alcohol fiber, yarn breaking strength increase 6.0cN/tex values in the above table. 4.3.2 PVA character lines according to the technical requirements specified in Table 2. Table 2 PVA character line technical requirements Nominal linear density tex grade Strong singlet The coefficient of variation Linear density The coefficient of variation Single line breaking strength cN/tex Linear density Deviation rate Evenness The coefficient of variation 10.0 × 2 ~ 13.0 × 2 8.0 11.0 14.0 2.0 3.0 4.0 21.0 19.0 17.0 ± 2.0 ± 2.5 ± 3.0 12.5 TABLE 2 (cont.) Nominal linear density tex grade Strong singlet The coefficient of variation Linear density The coefficient of variation Single line breaking strength cN/tex Linear density Deviation rate Evenness The coefficient of variation 13.1 × 2 ~ 16.0 × 2 8.0 11.0 14.0 2.0 3.0 4.0 21.5 19.5 17.5 ± 2.0 ± 2.5 ± 3.0 12.5 16.1 × 2 ~ 20.0 × 2 7.5 10.5 13.5 2.0 3.0 4.0 22.0 20.0 18.0 ± 2.0 ± 2.5 ± 3.0 12.0 20.1 × 2 ~ 31.0 × 2 7.5 10.5 13.5 2.0 3.0 4.0 22.5 20.5 18.5 ± 2.0 ± 2.5 ± 3.0 11.5 31.1 × 2 ~ 35.0 × 2 7.0 10.0 13.0 2.0 3.0 4.0 22.0 20.0 18.0 ± 2.0 ± 2.5 ± 3.0 11.5 35.1 × 2 ~ 70.0 × 2 6.5 9.5 12.5 2.0 3.0 4.0 21.5 19.5 17.5 ± 2.0 ± 2.5 ± 3.0 11.0 Note. When using high-strength polyvinyl alcohol fiber, singlet breaking strength increase 6.0cN/tex values in the above table.5 Test methods5.1 Test conditions The test should be carried out under the conditions of the methods specified in the standard. 5.2 sampling provision From the test batch were randomly selected 20 cheese, the number of samples and the number of tests required by each item in Table 3. Specified in Table 3 PVA yarn qualities of each project the number of samples and number of tests project Number cheese The total number of times each test tube Linear density coefficient of variation, deviation rate of linear density 20120 Breaking strength, breaking strength coefficient of variation 205,100 Evenness variation coefficient 10110 One hundred thousand meters yarn defect 6--1 Note 1. If the inspection lot number in less than 20 cheese, are all drawn as a sample. Note 2. The linear density coefficient of variation, deviation rate of linear density, yarn breaking strength, coefficient of variation of yarn breaking strength, evenness variation coefficient can be online Product sampling, specific sampling provisions of Appendix A, but users of the product quality discrepancy, the finished product quality inspection shall prevail. 5.3 linear density coefficient of variation, deviation rate of linear density test Rocking hank length shall GB/T 4743-2009 regulations, which the program uses linear density coefficient of variation 1, the use of linear density Program 3.100m yarn quality standards and criteria according to Appendix B to calculate the dry mass, density deviation hank line after drying rate should be converted to 100m quality, according to the equation (1). D = m-md md × 100% (1) Where. D --- linear density deviation rate,%; m --- "100m" actual sample dry mass in grams (g); md --- "100m" sample standard dry mass in grams (g). 5.4 yarn (line) and breaking strength yarn (line) test breaking strength coefficient of variation Performed in GB/T 3916 regulations. 5.5 evenness variation coefficient test According to GB/T 3292.1 regulations. 5.6 one hundred thousand meters yarn defect test Performed in FZ/T 01050 regulations, one hundred thousand meters of yarn defect results are expressed as the sum of A3 B3 C3 D2. 5.7 into a net bag According to GB/T 398-2008 5.9 regulations. Represents 5.8 test results Various test results of a group of yarn is represented by the value of the test results of all the kinds of test to calculate the various test results accurately Degree and except as provided otherwise, execution in Table 4. Table Calculated numerical digits rounding provisions Item Retention decimal places Yarn (line) breaking strength/(cN/tex) 1 Yarn (line) breaking strength coefficient of variation/1% Linear density variation coefficient/1% Linear density deviation rate/1% One hundred meters by mass (average per batch)/(g/100m) 3 Evenness variation coefficient/1% One hundred thousand meters yarn faults/(a / 105m) integer Average density/tex 1 Translation quality with Regain/2%6 Inspection rulesPress FZ/T 10007 regulations. 7 signs, packaging Press FZ/T 10008 regulations.8 OtherUsers of this standard have special requirements, supply and demand sides can set separate agreement.Appendix A(Informative) Online Product Sampling and Testing A.1 online sampling period and package form A.1.1 General two days sampling test once, but the cycle has been established, can not be arbitrarily changed. One hundred thousand meters yarn defect test period may be extended, but Shall not exceed two weeks. A.1.2 package in the form of sampling to spool. A.2 online number of samples and number of tests A.2.1 under the conditions of the test shall be specified in the respective methods were standard, such as the production needs, can be carried out under conditions of temperature and humidity near the workshop, But the test site temperature and humidity should be stable, and shall not intentionally deviate from the standard conditions. A.2.2 Online Product number of samples in Table A.1. Table A.1 online number of samples Founding the production number of the same species 12,345,678 ~ 91 011 ~ 141 516 ~ 2930 and above Each machine table number of yarn collection tube 3015107 ~ 8,654 ~ 53 ~ 432 ~ 321 ~ 21 Explorer yarn number of 2-30 30 30 30 30 3,030,303,030,303,030 A.2.3 linear density coefficient of variation, deviation rate of linear density test, each sample 30 spools, each tube rocking thread 1, a total of 30 times (the number of Founding 5 and in the following products, linear density coefficient of variation, deviation rate of linear density test can be a corresponding reduction in the number of extubation, extractor 15 spools, each tube pan Take two strands). A.2.4 yarn (line) and breaking strength yarn (line) test breaking strength coefficient of variation, 30 samples of each yarn spools, each test tube 2 Times for a total of 60 times (in several Founding 5 and below, each sample to 15 spools, each test tube four times), as if the strands, each sample To 15 spools, each tube measured two times for a total of 30 times. The number of samples using automatic yarn strength tester, yarn spools are 20, Each tube measured 5 times for a total of 100 times. A.2.5 evenness coefficient of variation required in the machine randomly selected 10 spools of 10 times the number of trials.Appendix B(Normative) Calculation PVA yarn qualities one hundred meters Quality Moisture regain B.1 PVA yarn qualities is 5.0%. B.2 100m standard quality yarn (g) at the time of moisture regain according to formula (B.1) calculation, the results rounded to three decimal places. mg = Tt (B.1) Where. mg --- 100m standard quality yarn in moisture regain, in units of grams (g); Tt --- yarn nominal linear density, in units of the Turks (tex). B.3 100m yarn standard dry mass (g) according to equation (B.2) calculation, the calculation result after rounding to three decimal places. md = Tt 10 × 100 W (B.2) Where. md --- 100m yarn standard dry mass in grams (g); Tt --- yarn nominal linear density, in units of the Turks (tex); W --- moisture regain,%. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of FZ/T 12008-2024_English be delivered?Answer: Upon your order, we will start to translate FZ/T 12008-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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