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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 18888-2022: Cottonized flax Status: Valid GB/T 18888: Historical versions
Basic dataStandard ID: GB/T 18888-2022 (GB/T18888-2022)Description (Translated English): Cottonized flax Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: W31 Classification of International Standard: 59.060.10 Word Count Estimation: 14,177 Date of Issue: 2022-10-14 Date of Implementation: 2023-05-01 Older Standard (superseded by this standard): GB/T 18888-2002 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 18888-2022: Cottonized flax---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.Cottonized flax ICS 59.060.10 CCS W31 National Standards of People's Republic of China Replacing GB/T 18888-2002 linen cotton Published on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration forewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document replaces GB/T 18888-2002 "Linen Cotton". Compared with GB/T 18888-2002, except for structural adjustments and editorial changes In addition, the main technical changes are as follows. a) Deleted product classification (see Chapter 4 of the.2002 edition); b) Changed the technical requirements index (see Table 1, Table 1 of the.2002 edition), and changed the revision requirements for moisture regain (see Table 1, of the.2002 edition) 5.2); c) increased breaking strength (see 5.6); d) Change the sampling requirements (see 6.1, 7.1 of the.2002 edition); e) The acceptance requirements for the net weight of the package are deleted (see 7.4 of the.2002 edition); f) Changed the requirements for marking, packaging, transportation and storage (see Chapter 7, Chapter 8 of the.2002 edition); g) The test methods for average length, short fiber rate and super-long fiber rate are added (see Appendix A); h) The test method for linear density (splitting degree) has been added (see Appendix B). Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Fiber Standardization Technical Committee (SAC/TC513). This document is drafted by. Heilongjiang Fiber Quality Monitoring Center, Heilongjiang Yuanbao Textile Co., Ltd., Shanxi Oasis Textile Co., Ltd. Company, Wuhan Hanma Biotechnology Co., Ltd., Heilongjiang Provincial Institute of Metrology Verification and Testing, Harbin City Product Quality Comprehensive Inspection and Testing Heart, Liaoning Provincial Inspection, Testing and Certification Center, and Daqing Branch of Heilongjiang Academy of Sciences. The main drafters of this document. Fan Jiabin, Han Li, Kang Chunsheng, Liu Wei, Wei Qiuhui, Yin Lixia, Ma Dejian, Li Jing, Yang Bo, Yang Yang, Chen Rongrong, Sun Yufeng. The previous versions of this document and its superseded documents are as follows. ---First published in.2002 as GB/T 18888-2002; ---This is the first revision. linen cotton1 ScopeThis document defines the terms and definitions of linen cotton, specifies the technical requirements for linen cotton, describes the corresponding test methods, inspection rules, marking, packaging, transportation and storage. This document applies to the quality grading of linen cotton.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 3291.1 Textile and Textile Material Properties and Test Terms Part 1.Fibers and Yarns GB/T 5707 Terminology of Textiles and Linen Textile Products GB/T 6529 Standard atmosphere for textile humidity conditioning and testing GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values GB/T 9995 Determination of moisture content and moisture regain of textile materials by oven drying method GB/T 18147.5 Test methods for hemp fibers - Part 5.Test methods for breaking strength3 Terms and DefinitionsThe terms and definitions defined in GB/T 3291.1, GB/T 5707 and the following apply to this document. 3.1 The second coarse flax and other flax fibers (such as combed noil and combed noil) are directly used for spinning flax fibers after deep processing. Note. The second coarse flax is the flax short fibers that fall during the process of beating into hemp. 3.2 After processing, it is flax fiber with an average length of less than 40mm in a loose state. 3.3 After processing, it is flax fiber with an average length between 40mm and 55mm. 3.4 shortfiberratio The percentage of flax fibers with a length of 16 mm and below in the total mass.4 RequirementsThe technical requirements of linen cotton are shown in Table 1. ...... |
