GB/T 17260-2008 English PDF

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GB/T 17260-2008: Determination of fineness of flax -- Permeametric method
Status: Valid

GB/T 17260: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17260-2008	279	Add to Cart	3 days	Determination of fineness of flax -- Permeametric method	Valid
GB/T 17260-1998	479	Add to Cart	4 days	Determination of fineness of flax fiber--Permeametric method	Obsolete

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Basic data

Standard ID: GB/T 17260-2008 (GB/T17260-2008)
Description (Translated English): Determination of fineness of flax -- Permeametric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W30
Classification of International Standard: 59.060.10
Word Count Estimation: 12,170
Date of Issue: 2008-06-17
Date of Implementation: 2008-09-01
Older Standard (superseded by this standard): GB/T 17260-1998
Quoted Standard: GB/T 5707; GB 6529
Regulation (derived from): National Standard Approval Announcement 2008 No.10 (Total No.123)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the method for the determination of flax fiber fineness. This standard fixed flow method and simplify the law applicable to a given flow combed flax linen, Shucheng of short flax and hemp, constant pressure method is suitable for cotton type flax.

GB/T 17260-2008: Determination of fineness of flax -- Permeametric 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.
Determination of fineness of flax. Permeametric method ICS 59.060.10 W30 National Standards of People's Republic of China Replacing GB/T 17260-1998 Determination of fineness of flax fibers airlaid Posted 2008-06-17 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 17260-1998 "flax fiber fineness measuring air flow method." This standard and GB/T 17260-1998 Compared to the main changes are as follows. --- Scope constant pressure to increase test method Determination of fineness of cotton linen; --- Delete the terms and definitions in the formula, increasing the definition of cotton linen; --- Clear when the required test atmospheric conditions, namely, from the original "The humidity of the sample, weighing and measuring shall comply with the provisions of GB 6529 One kind of atmospheric conditions "to" sample the humidity, weighing and testing shall be specified in GB 6529 large temperate secondary standard Gas. temperature (20 ± 2) next ℃, humidity (65 ± 3)% condition. Sample the humidity, the balance not less than 24h "; --- Standards Law to "constant flow method"; simplified method to increase the attribute "constant flow" with "constant flow simplified method"; --- Increased determination cotton linen fineness specific contents of the device, test methods and measurement results of the relationship between the conversion of the desired pressure and other statutory; --- Remove content 5.3 instrument calibration; increase the "Instrument Preparation" In the determination of each program; Appendix C --- delete the original content, to "check and measurement results of constant pressure airflow meter conversion" and other related content; --- Original Appendix A to Appendix B, Appendix B to Appendix A. The Standard Appendix A, Appendix B, Appendix C is a normative appendix. This standard is proposed and managed by China Fiber Inspection Bureau. This standard by the Fiber Inspection Bureau of Shandong Province, Shanxi Greenland Textile Co., Ltd., Zhucheng, Shandong Textile Co., Ltd. is responsible for drafting Guangde. The main drafters of this standard. WANG Gui-ling, sea Yong, high speed and large, Wang Yuejin, when Chunrui, Song Fuqiang, Zhang Weiguo. This standard replaces the standards previously issued as follows. --- GB/T 17260-1998. Determination of fineness of flax fibers airlaid

1 Scope

This standard specifies the method for the determination of flax fiber fineness. The constant flow standard method and simplified method is suitable for constant flow combed flax linen, hemp and flax combed short; constant pressure method is suitable for cotton linen.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 5707 Textile terms (Ma part) GB 6529 textiles conditioning and testing - Standard atmospheres GB/T 8170 numerical rounding rules

3 Terms and Definitions

GB/T 5707 and established the following terms and definitions apply to this standard. 3.1 Fiber sample into the test tube-like channel. 3.2 3.3 Suppliers outside of the total surface area of \u200b\u200bthe fiber bundle to its volume constituting fiber plug in cm2/cm3 representation. 3.4 A ' Air dynamic viscosity (μ) and the empirical coefficient (k) prescribing the product of the specific surface area of \u200b\u200bthe fiber bundle (A) of the product. 3.5 Fineness index with a cut in the standard method of weighing flax determined close to the value represented by Tex system numerically. 3.6 Short flax linen, hemp falling after opening, cleaning, carding and spinning flax fibers suitable equipment.

4 with air conditioning and testing

The humidity of the sample, weighing and testing shall be specified in GB 6529 temperate two standard atmosphere. temperature (20 ± 2) ℃, humidity (65 ± 3)% ......

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