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GB/T 14335-2008: Testing method for linear density of man-made staple fibres
Status: Valid GB/T 14335: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 14335-2008 | English | 279 |
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Testing method for linear density of man-made staple fibres
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GB/T 14335-2008
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| GB/T 14335-1993 | English | 199 |
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Testing method for linear density of synthetic staple fibres
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GB/T 14335-1993
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PDF similar to GB/T 14335-2008
Basic data | Standard ID | GB/T 14335-2008 (GB/T14335-2008) | | Description (Translated English) | Testing method for linear density of man-made staple fibres | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W50 | | Classification of International Standard | 59.060.01 | | Word Count Estimation | 12,173 | | Date of Issue | 2008-06-18 | | Date of Implementation | 2009-03-01 | | Older Standard (superseded by this standard) | GB/T 14335-1993 | | Quoted Standard | GB/T 3291.1; GB/T 6529; GB/T 8170; GB/T 14334; GB/T 15000.8 | | Adopted Standard | BISFA-1998, NEQ; BISFA-2000, NEQ; BISFA-2004, NEQ | | 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 chemical fiber linear density of the two test methods. Fiber bundles weighing middle and single fiber vibration analyzer method. This standard applies to polyester, polyamides, polyacrylonitrile, polypropylene, polyvinyl formal, regenerated cellulose fibers and other chemical staple fiber linear density determination. Refer to tow use. These two methods applied during the test shall be a certain tension to the fiber so that the fiber straight curl disappeared ensure the validity of test results. Method A and Method B uses, negotiated between the parties determined in accordance with specific conditions. | GB/T 14335-2008: Testing method for linear density of man-made staple fibres---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.
Testing method for linear density of man-made staple fibres
ICS 59.060.01
W50
National Standards of People's Republic of China
Replacing GB/T 14335-1993
Chemical fiber staple linear density test method
(BISFA-1998, Testingmethodsforpolyesterstaplefibres,
BISFA-2000, Testingmethodsforacrylicstaplefibres,
BISFA-2004, Testingmethodsviscose, modal, lyoceland
acetatestaplefibersandtows, NEQ)
Posted 2009-03-01 2008-06-18 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standards with international standards rayon TSB BISFA1998 "polyester staple fiber test method", BISFA2000 "acrylic staple
Dimensional test methods "and BISFA2004" viscose, modal, Lai Seer, acetate tow and tow test methods "in the linear density test section
The non-equivalent.
This standard replaces GB/T 14335-1993 "synthetic linear density test method."
This standard and GB/T 14335-1993 compared to the main changes are as follows.
--- Expanding the scope of application, from synthetic fibers to expand chemical fibers.
--- Increasing the normative references, GB/T 15000.8 "standard for the work of (8) the use of certified reference materials" does not express
Define standard samples and certified reference samples.
--- Modify the relative humidity of polyester, acrylic, polypropylene fibers conditioning and testing using standard atmospheric, increased from (65 ± 3)% revised to
(65 ± 5)%.
--- Modify the humidity-time laboratory samples, increasing the humidity in Appendix A fast time;
--- Modify the sample volume, according to edition 2000 BISFA fiber sample volume requirements, from the original 1500 ~ 2000, modifications
Around 2000, increasing the fiber according to specifications calculated specific sample size.
--- Increasing the middle of cut length 10mm. Cut a different length and the middle and the middle of the length of the fiber according to the relative length of the provisions
The number should be calculated.
--- Increasing the linear density deviation is calculated rates.
--- Increasing the vibration method of linear density testing method.
--- Added Appendix B vibratory fineness instrument calibration method.
--- Added Appendix C Statistics. terminology and calculations.
Appendix C of this standard is a normative appendix, Appendix A, Appendix B is an informative annex.
The standard proposed by China Textile Industry Association.
This standard by the Shanghai textile industry technical supervision of the centralized.
This standard was drafted. China Sinopec Shanghai Petrochemical Company Limited, Yizheng Chemical Fiber Co., Ltd., Shandong Helon shares have
Limited, gidan Dandong Chemical Fiber Co., Ltd., Shanghai Fibre Inspection.
The main drafters of this standard. Wang Yongmei, tube Xiaoyan, Song Zheng, Yan cold dimension, Lou the Good, Xu Yun.
This standard replaces the standards previously issued as follows.
--- GB/T 14335-1993.
Chemical fiber staple linear density test method
1 Scope
This standard specifies two test methods for chemical fiber linear density of the fiber bundle in the middle weighing method (Method A) and single fiber vibrometer method (square
Method B).
This standard applies to polyester (PET), polyamide (nylon), polyacrylonitrile (acrylic), polypropylene (PP), polyvinyl formal (dimension
Lun), regenerated cellulose fibers and other chemical short fiber linear density determination. Tow can refer to use. These two methods should be the test of the fiber
Applying a certain tension, the fibers straighten curly disappear, to ensure the validity of test results. Method A and Method B, according to the specific article
Member is determined by negotiation between the parties concerned.
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 3291.1 textile material properties and test - Part 1. fibers and yarns
GB/T 6529 textiles conditioning and testing - Standard atmospheres
GB/T 8170 numerical rounding rules
GB/T 14334 chemical fiber staple sampling method
Use GB/T 15000.8 standard for the work of (8) of certified reference materials
3 Terms and Definitions
GB/T terms and definitions 3291.1 and GB/T 15000.8 established apply to this standard.
4 General test
4.1 Pre humidity control, the humidity and atmospheric testing standard
4.1.1 regain moisture regain laboratory samples below, you may not have to pre-tune wet.
4.1.2 regain pre moisture regain more laboratory samples of the humidity provisions
--- Temperature does not exceed 50 ℃;
--- Relative humidity 5% to 25%;
--- Longer than 30min.
4.1.3 The laboratory test samples with the standard atmospheric performed in GB/T 6529 regulations.
Polyester, acrylic, and the humidity of polypropylene fiber samples and testing standard atmosphere.
--- Temperature (20 ± 2) ℃;
--- Relative humidity (65 ± 5)%;
--- Humidity-time 4h.
The humidity and other chemical fiber samples testing standard atmosphere.
--- Temperature (20 ± 2) ℃;
--- Relative humidity (65 ± 2)%;
--- Recommended humidity-time 16h.
The two sides agreed to humidity-time sample in Appendix A.
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