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SN/T 0471-2010: Test method of dying uniformity for import and export polyester textured yarn
Status: Valid SN/T 0471: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 0471-2010 | English | 209 |
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Test method of dying uniformity for import and export polyester textured yarn
| Valid |
SN/T 0471-2010
|
| SN/T 0471-1995 | English | 199 |
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2 days [Need to translate]
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Test method for dyeing uniformity of importexport polyester textured yarn
| Obsolete |
SN/T 0471-1995
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PDF similar to SN/T 0471-2010
Basic data | Standard ID | SN/T 0471-2010 (SN/T0471-2010) | | Description (Translated English) | Test method of dying uniformity for import and export polyester textured yarn | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | W50 | | Classification of International Standard | 59.060.20 | | Word Count Estimation | 8,868 | | Date of Issue | 2010-05-27 | | Date of Implementation | 2010-12-01 | | Older Standard (superseded by this standard) | SN/T 0471-1995 | | Quoted Standard | GB/T 250; GB/T 6682; FZ/T 01047-1997 | | Regulation (derived from) | National Quality Inspection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 polyester textured yarn systems in a single circular hosiery yarn is woven into stockings on, and after staining, dyeing uniformity measured test method. This standard applies to imports of polyester textured yarn dyeing uniformity of inspection sampling, test methods and assessment methods. | SN/T 0471-2010: Test method of dying uniformity for import and export polyester textured yarn---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.
Test method of dying uniformity for import and export polyester textured yarn
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Instead of the SN/T 0471-1995
Import and export of polyester textured yarn dyeing evenness
Testing 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 and SN/T 1103-2002 given rules.
Instead of the standard SN/T 0471-1995 "Importers and polyester textured yarn dyeing uniformity test method."
This standard compared with SN/T 0471-1995, the main technical changes are as follows.
--- Modify terms and definitions "fading sample card" to "Grey Card";
--- Increase in Chapter 4, "works" section, as is now the new dyeing machine can not high pressure, high temperature dyeing can be achieved, so the original
Two standard staining methods. staining normal temperature and pressure and high temperature and pressure dyeing, staining to room temperature and high temperature dyeing method;
--- Increase in high temperature dyeing machine equipment and reagents, D65 standard light source, rating plates and a pH meter, an increase cup, graduated cylinder capacity;
--- Reference BASFA polyester filament yarn internationally agreed test methods, to modify the number of samples, and clearly the laboratory sample, the test sample
And the number of spare samples;
--- In the dyeing conditions expressly asked to use a pH meter to control the pH of the dye liquor;
Assessment --- dyed sample added "lighting conditions" and "the rating process" to make the rating process more operational;
--- Increase "Calculation and expression of test results";
--- Increase the "test report."
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau, Donghua Institute of transit textile dyeing and finishing, the People's Republic of China
Zhejiang Exit Inspection and Quarantine and the State.
The main drafters of this standard. Ye Zheng, Ren Shijun, Wang Ling.
This standard was first published in 1995 and 2010, the first revision.
Import and export of polyester textured yarn dyeing evenness
Testing method
1 Scope
This standard specifies the import and export of polyester textured yarn on a single circular hosiery yarn feed system is woven into stockings, and after dyeing, dyeing measured
Color uniformity of inspection methods.
This standard applies to the import and export of polyester textured yarn dyeing uniformity of inspection sampling, test methods and evaluation methods.
2 Normative reference standard
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 250 textile color fastness test assessing change in color like the gray card
Laboratory use specifications and test methods GB/T 6682 Analysis
FZ/T 01047-1997 Textiles visually assessed using standard lighting conditions color fastness
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Grey card grayscale
When dyeing textile color fastness rating, the sample used for comparison of the color change degree standard, divided into five nine files.
3.2
Color colourdifference
The same batch of polyester textured yarns dyed stockings, stockings color difference between each segment.
Principle 4
On a single circular hosiery yarn feed system, according to the provisions of the knitting process conditions polyester textured yarn sample passes woven stockings and a predetermined
Under conditions dyeing, bleaching control sample cards, visual assessment dyeing uniformity level of the sample.
There are two dyeing conditions. atmospheric dyeing method (Method A) and the high temperature dyeing method (Method B).
5 Apparatus and reagents
5.1 The main instruments
5.1.1 Waji. diameter 312in
Circular hosiery yarn feeding system.
5.1.2 dyeing machine. 0 ℃ ~ 100 ℃, can control the heating rate and temperature, and can make a sample staining (Method A) in motion.
5.1.3 high temperature and pressure dyeing machine. Temperature 0 ℃ ~ 140 ℃, pressure 0kPa ~ 3kPa, or high temperature dyeing machine. You can control the rate of temperature increase and
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