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GB/T 13835.2-2009: Test method for rabbit hair -- Part 2: Average length and percentage of short hair -- Hand-arrange method
Status: Valid GB/T 13835.2: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 13835.2-2009 | English | 139 |
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Test method for rabbit hair -- Part 2: Average length and percentage of short hair -- Hand-arrange method
| Valid |
GB/T 13835.2-2009
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| GB/T 13835.2-1992 | English | 199 |
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Test method for mwasure length of Angora rabbit hair
| Obsolete |
GB/T 13835.2-1992
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PDF similar to GB/T 13835.2-2009
Basic data | Standard ID | GB/T 13835.2-2009 (GB/T13835.2-2009) | | Description (Translated English) | Test method for rabbit hair -- Part 2: Average length and percentage of short hair -- Hand-arrange method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W20 | | Classification of International Standard | 59.060.01 | | Word Count Estimation | 6,659 | | Date of Issue | 2009-04-23 | | Date of Implementation | 2009-09-01 | | Older Standard (superseded by this standard) | GB/T 13835.2-1992 | | Quoted Standard | GB/T 6529; GB/T 8170; GB/T 13835.1 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.5 (Total No.145) | | 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 determining the average fiber length and short-haired rabbit rate manual method. This section applies to the determination of fiber length and short-haired rabbit rates. | GB/T 13835.2-2009: Test method for rabbit hair -- Part 2: Average length and percentage of short hair -- Hand-arrange method
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Test method for rabbit hair Part 2. Average length and percentage of short hair Hand-arrange method
ICS 59.060.01
W20
National Standards of People's Republic of China
Replacing GB/T 13835.2-1992
Test method for rabbit hair fiber
Part 2. The average length and short hair rate
Hand row Act
Posted 2009-04-23
2009-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 13835 "rabbit fiber test method" consists of the following nine sections.
--- Part 1. Sampling;
--- Part 2. The average length and short hair ratio manual transmission method;
--- Part 3. impurity rate, coarse hair and loose hair rate;
--- Part 4. Regain oven method;
--- Part 5. single fiber breaking strength and elongation at break;
--- Part 6. diameter projection microscopy;
--- Part 7. whiteness;
--- Part 8. ether extract content;
--- Part 9. crimp performance.
This section GB/T 13835 Part 2.
GB/T 13835.2-1992 "angora fiber length test" in this section instead.
This section compared with the GB/T 13835.2-1992 The main changes are as follows.
--- Remove the comb plate method (1992 edition);
--- Hand row length from the appendix mentioned in the text (version 1992 Appendix A; standard text edition);
--- Increasing the GB/T 6529 (Chapter 2 of this edition) normative reference documents;
--- Modified apparatus and appliances (Version 1992 Chapter 5; Chapter 4 of this edition);
--- Increasing the preset humidity, the humidity and atmospheric testing standards (Chapter 5 of this edition);
--- Modify the sample preparation (version 1992 Appendix A3.2.1; Chapter 6 of this edition);
--- Modify the length of the row row hand diagram and mapping method (version 1992 Appendix A4; edition 7.1 and 7.2);
--- Changed hand row length calculation method of the average length (version 1992 Appendix A5; edition 8.1 and 8.2).
This section proposed and managed by China Fiber Inspection Bureau.
This section is drafted. Sichuan Provincial Fiber Inspection Bureau, CIQ Jiangsu, Shaanxi Provincial Fiber Inspection Bureau, Zhejiang Province fiber detection
Inspection bureau.
The main drafters of this section. Zeng Rong, Wang Hsiao-ping, Huang Chao, Chen Delong, Wang Yiwei.
This part of the standard replaces the previous editions are.
--- GB/T 13835.2-1992.
Test method for rabbit hair fiber
Part 2. The average length and short hair rate
Hand row Act
1 Scope
GB/T 13835 in this section specifies the method for determining the average fiber length and short-haired rabbit hand discharge rate method.
This section applies to the determination of fiber length and short-haired rabbit rates.
2 Normative references
The following documents contain provisions which, through reference GB/T 13835 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 6529 Textiles Standard conditioning and testing atmosphere
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
GB/T 13835.1 rabbit hair fiber test methods - Part 1. Sampling
Principle 3
Rabbit with manual methods will be organized into one end of the fiber flush tufts, the fibers from long to short, from left to right uniformly arranged flush with the bottom line
Fiber length distribution. Mapping of the average fiber length and short-haired rate index.
4 apparatus and appliances
4.1 Balance, dividing the value of 0.01g.
4.2 curve feet.
Down 4.3 boards.
4.4 graph paper.
5 Standard conditioning and testing atmosphere
5.1 presetting wet
The test sample was allowed to stand at a relative humidity of 10% to 25%, the temperature does not exceed 50 ℃ atmospheric conditions, bringing them closer to equilibrium. If the test
Regain equilibrium moisture content of the sample is higher than the standard (14%), the need to pre-process the humidity.
5.2 Standard conditioning and testing atmosphere
Standard atmosphere in GB/T 6529 provisions (a temperature of 20 ℃ ± 2 ℃, relative humidity of 65% ± 4%) were conditioning and testing,
The humidity not less than 2h.
6 Sampling and sample preparation
According to GB/T 13835.1 provisions laboratory sample is thoroughly mixed tile on the table, with a multi-point method from the positive and negative sides
Randomly selected fiber (less than 40 points) to about 150mg, divided into three levels, two of which for parallel test, one reserved for sample preparation.
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