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SN/T 2628-2010: Determination of short fiber index and neps for import and export cotton fibers. HVI test method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2628-2010 | English | 209 |
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Determination of short fiber index and neps for import and export cotton fibers. HVI test method
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SN/T 2628-2010
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Basic data | Standard ID | SN/T 2628-2010 (SN/T2628-2010) | | Description (Translated English) | Determination of short fiber index and neps for import and export cotton fibers. HVI test method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | W10 | | Classification of International Standard | 59.060.10 | | Word Count Estimation | 8,865 | | Date of Issue | 2010-05-27 | | Date of Implementation | 2010-12-01 | | Quoted Standard | GB/T 6529; GB/T 8170; SN/T 0775 | | Regulation (derived from) | National Quality Inspection (2010) 290; industry standard filing Notice 2010 No. 10 (No. 130 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of cotton and cotton short fiber index knot detection sampling and test methods. This standard applies to export raw cotton, including serrated cotton, roller ginned cotton short fiber index and knot test. | SN/T 2628-2010: Determination of short fiber index and neps for import and export cotton fibers. HVI test method
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Determination of short fiber index and neps for import and export cotton fibers.HVI test method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Import and export of cotton short fiber index and
Results of determination of cotton HVI method
Issued on. 2010-05-27
2010-12-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Xinjiang People's Republic of China Exit Inspection and Quarantine.
The main drafters of this standard. Wang Xiaoping, Mazeng Mei, Li Jiang, Cao Qing, Yeshang Hua, Dai Hua.
Import and export of cotton short fiber index and
Results of determination of cotton HVI method
1 Scope
This standard specifies the import and export of cotton short fiber index and sampling and testing methods neps detection.
This standard applies to the import and export of raw cotton, including serrated cotton, leather roller cotton neps and short fiber index test.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 6529 Textiles Standard conditioning and testing atmosphere
GB/T 8170 repair value expressed about the rules and limit values and judgment
SN/T 0775 cotton import and export inspection procedures
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Short fiber index shortfiberindex
Cotton fiber length is shorter than 0.5in (12.7mm) of the fiber quality of the total fiber mass percentage.
3.2
Nep neps
Junction made of cotton fiber entanglement, per gram of fiber nodes to represent.
Principle 4
4.1 short fiber index measuring principle
Light comb random folder holding tow optically scanned, the number and intensity of the transmitted light beam in cotton cotton fiber into a certain function
Relationship to afford Fibrogram length of the curve, the curve length Fibrogram mathematically converted to the length of the profile, based on complex mathematical calculations
Obtain short fiber index.
4.2 Nep test principle
Nep tester from the test required for fiber splitter, gas, circuits, and support software. Sliver fibers are separated into single fiber
Victoria and analyzed to give Nep.
5 Equipment and Materials
5.1 high-capacity fiber testing instrument (HVI).
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