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Code of practice for silk quality evaluation of silkworm cocoons
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Basic data
| Standard ID | GB/T 45294-2025 (GB/T45294-2025) |
| Description (Translated English) | Code of practice for silk quality evaluation of silkworm cocoons |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | B47 |
| Classification of International Standard | 65.020 |
| Word Count Estimation | 10,164 |
| Date of Issue | 2025-02-28 |
| Date of Implementation | 2025-09-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 45294-2025: Code of practice for silk quality evaluation of silkworm 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.
GB/T 45294-2025 English version. Code of practice for silk quality evaluation of silkworm cocoons
National Standard of the People's Republic of China
ICS 65.020CCS B 47
Technical regulations for evaluation of silkworm cocoon and silk quality
2025-02-28 Release
2025-09-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
This 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.
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 by the Ministry of Agriculture and Rural Affairs of the People's Republic of China.
This document is under the jurisdiction of the National Technical Committee for Standardization of Sericulture (SAC/TC 437).
This document was drafted by. Jiangsu University of Science and Technology, Sericulture Research Institute of Chinese Academy of Agricultural Sciences, Suzhou Jinweijin Technology Co., Ltd., Sichuan Province
Sericulture Research Institute of the Academy of Agricultural Sciences, Sericulture and Tea Research Institute of Zhejiang Academy of Agricultural Sciences, Yancheng Fiber Inspection Institute, Taizhou Fiber Inspection Institute
Institute, Yangzhou Inspection and Testing Center, College of Animal Science, Zhejiang University, Zaozhuang Tan's Silk Co., Ltd., Nantong Weiyimei Technology Co., Ltd.,
Changzhou Yiliyas Home Soft Furnishing Technology Co., Ltd., Zhejiang Agricultural Technology Extension Center, Jiangsu Fuan Silk Co., Ltd.
The main drafters of this document are. Chen Tao, Song Jiangchao, Bian Yongdong, Hu Guangrong, He Xiuling, Gu Jingyi, Huang Lisheng, Zhai Zhongping, Yang Mingying, Zhang Meirong,
Yao Xiaohui, Tan Jun, Shen Liping, Zhu Liangjun, Wu Jianmei, Zhu Chunqun, Lu Hong, Ye Jingjing, Hu Zuozhong.
Technical regulations for evaluation of silkworm cocoon and silk quality
1 Scope
This document establishes the procedure for evaluating the quality of silk cocoons and silk, and stipulates the preparation of sample cocoons, stripping and selection of cocoons, boiling of cocoons, unwinding inspection, cleaning (cleaning) and
Technical requirements for inspection, data processing, grading and test report writing.
This document applies to the assessment of small batches of sample cocoons.
2 Normative references
The 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 to
This document.
GB/T 1798 Raw silk test methods
GB/T 8170 Rules for rounding off values and expression and determination of limit values
GB/T 9111 Test methods for dried silkworm cocoons
GB/T 9176 Dried silkworm cocoons
GB/T 15268 Fresh silkworm cocoons
3 Terms and definitions
There are no terms or definitions that require definition in this document.
4 Assessment Procedure
The procedure for evaluating the quality of mulberry silk cocoons is shown in Figure 1.
Figure 1.Silkworm cocoon quality assessment process
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