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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 15268-2024: Mulberry silkworm fresh cocoons Status: Valid GB/T 15268: Historical versions
Basic dataStandard ID: GB/T 15268-2024 (GB/T15268-2024)Description (Translated English): Mulberry silkworm fresh cocoons Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: W40 Classification of International Standard: 59.060.10 Word Count Estimation: 14,168 Date of Issue: 2024-11-28 Date of Implementation: 2025-06-01 Older Standard (superseded by this standard): GB/T 15268-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 15268-2024: Mulberry silkworm fresh cocoons---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.ICS 59.060.10 CCS W40 National Standard of the People's Republic of China Replace GB/T 15268-2008 Fresh silkworm cocoons Released on 2024-11-28 2025-06-01 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. This document replaces GB/T 15268-2008 "Mulberry silkworm fresh cocoons". Compared with GB/T 15268-2008, except for structural adjustments and editorial changes, In addition to the above, the main technical changes are as follows. --- Added the terms and definitions of "pupa cocoon" and "pupa cocoon rate", and deleted the terms and definitions of "relaxation rate", "silk length" and "relaxation length" (see Chapter 3, Chapter 3 of the.2008 edition); --- Changed "quality classification" to "quality requirements" and changed the corresponding technical requirements (see Chapter 4, Chapter 4 of the.2008 edition); --- Changed "sampling" to "sampling", and changed the corresponding technical requirements (see Chapter 5, Chapter 5 of the.2008 edition); --- Changed "test method" to "inspection method" and changed the corresponding technical requirements (see Chapter 6, Chapter 6 of the.2008 edition); --- Changed "classification" to "inspection rules" and changed the corresponding technical requirements (see Chapter 7, Chapter 7 of the.2008 edition); --- Added the provisions of "Packaging, Storage, Transportation and Marking" (see Chapter 8); --- Added "Provisions for measurement units and decimal places" (see Appendix A). 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 is proposed and coordinated by the National Fiber Standardization Technical Committee (SAC/TC513). This document was drafted by. China Fiber Quality Monitoring Center, Beijing Zhongxian Jingwei Technology Development Co., Ltd., Guangxi Zhuang Autonomous Region Product Quality Inspection Institute, Sichuan Fiber Inspection Bureau, Juxian Haitong Silk Co., Ltd., Tai'an Food and Drug Inspection and Testing Institute (Taian City Fiber Inspection Institute), Guangzhou Fiber Product Testing Institute, Hainan Sericulture Industry Co., Ltd., Shengzhou Mosang Modern Cocoon Industry Co., Ltd., Hechi Fiber Inspection Institute, Nanchong Fiber Inspection Institute, Huai'an Fiber Inspection Institute, Jiangxi Provincial Market Supervision and Management Quality and Safety Inspection Center (Jiangxi Food Safety Inspection Center), Sericulture Research Institute of Sichuan Academy of Agricultural Sciences, Chongqing Metrology and Quality Inspection Institute, Chongqing Hongmeida Xinxing Industrial (Group) Co., Ltd., Tai'an Zhengtong Silk Co., Ltd., Yunnan Product Quality Supervision and Inspection Institute, Zhejiang Sci-Tech University, China University of Metrology. The main drafters of this document are. Bi Haizhong, Luo Li, Zhao Weizhang, Guo Linlin, Luo Jun, Yi Shasha, Han Bing, Deng Wenjie, Yang Chengwei, Xing Qiuming, Liu Jialin, Long Sha, An Xia, Wang Xiaohui, Hu Zuozhong, Cui Xicai, Liu Chuan, Xue Xun, Zhu Lisha, Sun Weihong, Han Siyu, Xu Huan, Cheng Ziling, Zhang Yong, Gu Yanan. The previous versions of this document and the documents it replaces are as follows. ---First published in.1994 as GB/T 15268-1994, first revised in.2008; ---This is the second revision. Fresh silkworm cocoons1 ScopeThis document specifies the quality requirements, sampling, inspection rules, packaging, storage, transportation and marking of fresh silkworm cocoons, and describes the corresponding inspection method. This document is applicable to the quality inspection and assessment of fresh silkworm cocoons produced using the silk reeling method.2 Normative referencesThe contents of the following documents constitute 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 to This document. GB/T 1798-2008 Test methods for raw silk GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 9111-2015 Test methods for dried silkworm cocoons GB/T 9176-2016 Dried silkworm cocoons GB/T 9995 Determination of moisture content and moisture regain of textile materials - Oven drying method GB/T 19113-2022 Grading of fresh silkworm cocoons - Cocoon layer measurement method3 Terms and definitionsThe following terms and definitions as defined in GB/T 9111-2015, GB/T 9176-2016, GB/T 19113-2022 and the following terms and definitions apply to this document. 3.1 pupatedcocoon The pupation is normal, the pupal surface is not damaged and the cocoon is of normal color. 3.2 pupatedcocoonrate The percentage of pupation cocoons to the total number of sample cocoons.4 Quality requirements4.1 General requirements The quality of fresh silkworm cocoons is expressed in grades, which are determined by basic indicators and supplementary indicators. Basic indicators include the silk yield and relaxation rate of cocoons. The correction indicators include pupation cocoon rate, 10,000-meter cocoon roughness and cleanliness, a total of 3 indicators. 4.2 Basic indicator level The basic indicator level is divided into 11 levels, from high to low, from level 1 to level 11, and below level 11 is a substandard product. It shall be executed according to Table 1. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 15268-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 15268-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 15268-2024_English with my colleagues?Answer: Yes. 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Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 15268-2024 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. |
