GB/T 21880-2015 English PDF

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GB/T 21880-2015: Acid dyes -- Determination of migration properties
Status: Valid

GB/T 21880: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21880-2015	169	Add to Cart	3 days	Acid dyes -- Determination of migration properties	Valid
GB/T 21880-2008	239	Add to Cart	2 days	Acid dye -- Determination of migration properties	Obsolete

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Basic data

Standard ID: GB/T 21880-2015 (GB/T21880-2015)
Description (Translated English): Acid dyes -- Determination of migration properties
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G55
Classification of International Standard: 71.100.01; 87.060.10
Word Count Estimation: 8,859
Date of Issue: 2015-05-15
Date of Implementation: 2015-12-01
Older Standard (superseded by this standard): GB/T 21880-2008
Quoted Standard: GB/T 250-2008; GB/T 1866-2012; GB/T 2374-2007; GB/T 2378-2012; GB/T 2379-2013; GB/T 4841.1-2006; GB/T 4841.2-2006; GB/T 4841.3-2006; GB/T 6688-2008; GB/T 8170-2008; FZ/T 01024-1993
Regulation (derived from): National Standard Announcement 2015 No. 15
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 acid dye transfer dyeing method of measuring. This Standard applies to acid dyes, acid complex dyes, neutral dyes dye migration Determination.

GB/T 21880-2015: Acid dyes -- Determination of migration properties

---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.
Acid dyes. Determination of migration properties ICS 71.100.01; 87.060.10 G55 National Standards of People's Republic of China Replacing GB/T 21880-2008 Determination of dyeing acid dyes shift Issued on. 2015-05-15 2015-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 21880-2008 "acid dye transfer dyeing Determination", compared with the GB/T 21880-2008, in addition to editing Modifications outside the main technical changes are as follows. --- Increased nouns and dye transfer of terminology (see 3.2). --- Increasing the reagents and materials section (see Chapter 5); --- The visual method to modify the color difference method, modify the representation structure (see 731, 2008 Edition 6.3.1.); --- Increased colorimeter rating method (see 7.3.1.2); --- Modify the contents of the test report (see Chapter 8, Chapter 7, 2008 edition). The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Dye (SAC/TC134) centralized. This standard was drafted. Shangyu Sheng Chemical Industrial Co., dye State Quality Supervision and Inspection Center, Shenyang Chemical Research Institute Co. the company. The main drafters of this standard. Euro which, Ma Junqing, Lv Jianjun, Kiran Qin, Chen Jianping. This standard replaces the standards previously issued as follows. --- GB/T 21880-2008. Determination of dyeing acid dyes shift

1 Scope

This standard specifies the acid dye transfer dyeing method of measuring. This standard applies to acid dyes, acid complex dyes, neutral dye migration properties measured.

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 250-2008 textile color fastness test assessing change in color like the gray card Determination of GB/T 1866-2012 neutral dyeing shade and relative strength General conditions GB/T 2374-2007 Determination of dyes provisions Determination of GB/T 2378-2012 acid dyes shade and intensity Determination of GB/T 2379-2013 acid complex dyes shade and intensity GB/T 4841.1-2006 standard depth dyeing color card 1/1 GB/T 4841.2-2006 standard depth dyeing dark blue and black color cards GB/T 4841.3-2006 standard depth dyeing color cards 2/1,1/3,1/6,1/12,1/25 Determination of GB/T 6688-2008 relative dye strength and color of the instrumental method GB/T 8170-2008 revised value represents about rules and limit values \u200b\u200band judgment FZ/T 01024-1993 discoloration degree of sample instrument rating methodology

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Transfer dyeing migrationproperty Dyeing process, the dye on the fiber after dye transfer from a high concentration to low concentration of the position location capability. Good dye migration properties Leveling material readily available. [GB/T 6687-2006, the definition 6.9] 3.2 Transfer dyeing degree levelofmigration Dye expressed numerically transfer dyeing for color depth value after the shift of white fabric dyeing and percentage of primary color depth value after the shift dyed cloth.

4 Method summary

1/1 standard depth dyeing dyed dyed sample, and then take the dyed fabric and unstained white fabric with various kinds of 2g, in a blank bath of Dye transfer. The primary shift dyed fabric and shift dyed gray white fabric sample card rating, or color measurement measured shift dyed fabric colors And shift dyed white fabric discoloration level or total color difference DE, or color depth color measurement values \u200b\u200bmeasured after the primary transfer dyeing cloth with white fabrics ......

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