SN/T 0479-2003 English PDF

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SN/T 0479-2003: Rules of inspection for import and export wool top
Status: Obsolete

SN/T 0479: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0479-2003	799	Add to Cart	4 days	Rules of inspection for import and export wool top	Obsolete
SN/T 0479-1995	559	Add to Cart	4 days	Rules of inspection for import and export wool top	Obsolete

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Basic data

Standard ID: SN/T 0479-2003 (SN/T0479-2003)
Description (Translated English): Rules of inspection for import and export wool top
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: W21
Classification of International Standard: 59.060
Word Count Estimation: 20,299
Date of Issue: 2003-05-28
Date of Implementation: 2003-10-01
Older Standard (superseded by this standard): SN/T 0479-1995
Quoted Standard: GB/T 3292; GB/T 6501; GB/T 8170; SN/T 0473-2003; SN/T 0478-2003; SN/T 0565-1996; SN/T 0617; IWTO ��������������; IWTO-6; IWTO-8; IWTO-10; IWTO-12; IWTO-34; IWTO-35; IWTO-47; ASTM 1770
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary: This standard specifies the import and export of wool quality, the quality of the project average fiber diameter, length, color, evenness and appearance defects such as testing methods. This standard applies to export wool test.

SN/T 0479-2003: Rules of inspection for import and export wool top

---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.
Rules of inspection for import and export wool top Book of the People's Republic of China Entry and Exit Inspection and Quarantine Replace SN/T 0479-1995 Import and export wool strip inspection procedures Released on.2003-05-28 Implementation of.2003-10-01 People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 sampling 3 5 test 3 Appendix A (Normative Appendix) Quality inspection procedures for wool strips sampled at 20% of the number of bales Appendix B (Normative) Procedure for the preparation of color samples 12 Appendix C (Normative Appendix) Amendment to ambient air moisture content 14 Appendix D (Normative) Maximum tolerance between the two retest results of the drying quality 16 Appendix E (Normative Appendix) Maximum tolerance range between two inspection results of proofreading and repeating inspections

Foreword

This standard is based on the relevant inspection procedures and methods of the International Wool Textile Organization (IWTO) and the corresponding national standards and methods. SN/T 0479-1995 "Import and Export Wool Strip Inspection Procedures" was revised. The main changes in this standard compared with SN/T 0479-1995 are as follows. --- Make some adjustments and revisions to the original standard in the preparation order. For example, the color test of the original Appendix C is directly included in the inspection. In addition to the C light source and 20 observer test, the specific test method has increased the use of CIED65 and 100 observers. test. The corresponding provisions of IWTO-35 are equivalently used throughout the inspection process. --- Revise the moisture regain rate test in the original standard quality test to the drying quality measurement, and in the operation procedure, inspection process and results Both expression and calculation are consistent with the corresponding regulations of IWTO. --- Revised the oil content test in the original standard to test the dichloromethane soluble content using dichloromethane reagent, in a set Test methods, test procedures, and results expression and calculations are all consistent with IWTO-10. --- In the test of the average fiber diameter test, in addition to retaining the original airflow method and projection microscopy (original standard for microscopic projection In addition to the new method, the new advanced optical fiber diameter analyzer and laser fiber diameter analyzer are added. method. --- In accordance with the provisions of GB/T 3292, the original coefficient of variation coefficient test in the original standard is revised to the strip uniformity test, all tests Test methods, test procedures, and results expression are consistent with this standard. --- The data in the tables listed in this standard are all subject to the latest IWTO regulations, and the data in the original form has been revised. Appendix A, Appendix B, Appendix C, Appendix D and Appendix E of this standard are normative appendices. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Shanghai Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Huang Invent, Tang Minfeng, Chen Zhiwei. This standard was first published in 1986, first revised in.1995, and second revised in.2002. Import and export wool strip inspection procedures

1 Scope

This standard stipulates the quality of the import and export wool strips, the average fiber diameter, length, color, unevenness and appearance of the quality items. Test method. This standard applies to the inspection of imported and exported wool strips.

2 Normative references

The terms in the following documents constitute provisions of this standard by reference to this standard. Any dated reference document, followed by Some amendments (not including errata content) or revisions do not apply to this standard. However, parties to agreements based on this standard are encouraged to Whether the latest version of these files can be used. For undated references, the latest edition applies to this standard. GB/T 3292 Textile yarn slivers test method GB/T 6501 wool fiber length test method GB/T 8170 numerical rounding rules SN/T 0473-2003 Import and export of fat-containing hair inspection procedures SN/T 0478-2003 Inspection procedures for washing wool and carbonized wool at import and export SN/T 0565-1996 Test Method for Length of Textile Fibers for Import and Export - Single Fiber Length Measuring Method SN/T 0617 Import and export of chemical fiber strips, wool strip length determination method Almitt method IWTO Wool Strip Bulk Inspection Rules IWTO-6 Method for determining the average diameter of wool wool fibers by airflow meter IWTO-8 Determination of hair fiber diameter distribution parameters and percentage of myelinated fibers in wool and other animals by projection microscopy method Method for determination of IWTO-10 wool strips and commercial washed wool and carbonized hair methylene chloride solubles IWTO-12 Determination of fiber diameter average and distribution using a Sirolan laser fiber diameter analyzer IWTO-34 Wool strip drying weight and invoice calculation weight, commercial calculation of weight IWTO-35 wool strip color measurement method IWTO-47 Determination of the average and distribution of wool fiber diameters using an optical fiber diameter analyzer ASTM 1770 Wool Strips, Test Methods for Hair, Plant, and Colored Fibers

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 After the wool is mixed and refueled, it is passed through a carding machine and a combing machine, and repeatedly combed, combined and drawn by a carding machine to make the fibers parallel and straight. Tops. ......

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