GB/T 14271-2024 English PDFUS$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 14271-2024: Test method for the yield of greasy wool and raw cashmere - Oil pressure method Status: Valid GB/T 14271: Historical versions
Basic dataStandard ID: GB/T 14271-2024 (GB/T14271-2024)Description (Translated English): Test method for the yield of greasy wool and raw cashmere - Oil pressure method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: W21 Classification of International Standard: 59.060.10 Word Count Estimation: 14,172 Date of Issue: 2024-09-29 Date of Implementation: 2025-04-01 Older Standard (superseded by this standard): GB/T 14271-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 14271-2024: Test method for the yield of greasy wool and raw cashmere - Oil pressure method---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.Test method for the yield of greasy wool and raw cashmere - Oil pressure method Test method for wool cleanliness rate - Oil pressure method Test method for the yield of greasy wool and raw cashmere- Oil pressure method ICS 59.060.10 CCS W 21 National Standard of the People's Republic of China Replace GB/T 14271-2008 Released on 2024-09-29 2025-04-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB/T 14271-2008 "Test method for net wool rate of wool - oil pressure method". Compared with GB/T 14271-2008, In addition to structural adjustments and editorial changes, the main technical changes are as follows. The term and definition of "wet wool" have been deleted (see 3.1 of the.2008 edition); a) Added the terms and definitions of "greasy wool", "goat raw cashmere", "cleaning rate" and "wet test sample" (see 3.1, 3.2, 3.3, 3.4); b) The term and definition of “wet compaction weight” have been changed (see 3.5, 3.3 of the.2008 edition); c) The term and definition of "water index" have been changed (see 3.6, 3.2 of the.2008 edition); d) The technical requirements for instruments and utensils have been changed (see Chapter 5, Chapter 5 of the.2008 edition); e) The technical requirements for batch sampling have been changed (see Chapter 6, Chapter 6 of the.2008 edition); f) The technical requirements for sample preparation have been changed (see Chapter 7, Chapter 7 of the.2008 edition); g) Changed the washing technical requirements (see 8.1, 8.2, 8.3, Chapter 8 of the.2008 edition); h) Changed the technical requirements for oil pressure gauge testing (see 8.4, Chapter 9 of the.2008 edition); i) Changed the result calculation (see Chapter 9, Chapter 10 of the.2008 edition); j) Added test report content (see Chapter 10); k) The method of batch sampling has been changed (see Appendix A, Appendix A of the.2008 edition); l) The informative appendix "Technical parameters of the opening and removing machine" (see Appendix B of the.2008 edition) was deleted; m) Changed the washing process conditions for sheep wool and goat raw cashmere (see Appendix B, Appendix C of the.2008 edition); n) The allowable range of test results has been changed (see Appendix C, Appendix D of the.2008 edition). o) Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed and coordinated by the National Fiber Standardization Technical Committee (SAC/TC 513). This document was drafted by. Inner Mongolia Autonomous Region Fiber Quality Monitoring Center, China Fiber Quality Monitoring Center, Qinghai Product Quality Inspection Center Testing Institute, Bortala Mongol Autonomous Prefecture Fiber Inspection Institute. The main drafters of this document are. Wang Li, Qi Hong, Zou Jun, Liu Di, Yu Haibin, Ma Jingtao, Hou Chuan, Lei Na, Tao Chunyuan, Sun Zheng, Zhang Haibao and Li Xiangwei. The previous versions of this document and the documents it replaces are as follows. First published in.1993 as GB/T 14271-1993, first revised in.2008; - This is the second revision. - Test method for wool cleanliness rate - Oil pressure method1 ScopeThis document describes a test method for determining the cleanliness of plush fibers using an oil pressure gauge. This document is applicable to the cleaning rate test of greasy wool and goat raw cashmere.2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB 1523 Sheep wool GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 9994 Standard moisture regain of textile materials GB 18267 Cashmere3 Terms and definitionsThe terms and definitions defined in GB 18267 and the following apply to this document. 3.1 Greasy wool Sheep wool which has not been washed, solvent degreased, carbonized or otherwise treated. 3.2 Raw cashmere Unprocessed wool from goats with a double coat, mainly the undercoat with a small amount of natural impurities fiber. [Source. GB 18267-2013, 3.2] 3.3 Cleaning rate yield The percentage of the normal mass of greasy wool or goat cashmere sample after washing to the mass before washing. 3.4 Hygrometric state sample After washing to the last tank through the washing process, take out the sample from the clean water without applying any external force. 3.5 wet press weight The mass of a wet sample after being subjected to a specified pressure and time in a certain volume. 3.6 Moisture content The ratio of the difference between wet compressed weight and absolute dry weight to the wet compressed weight. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 14271-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 14271-2024_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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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 14271-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 14271-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
