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GB/T 3922-2013 English PDF (GBT3922-2013)

GB/T 3922-2013 English PDF (GBT3922-2013)

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GB/T 3922-2013: Textiles -- Tests for colour fastness -- Colour fastness to perspiration

This Standard specifies a method for determining the colour fastness to perspiration of all kinds of textiles.
GB/T 3922-2008
GB
ICS 59.080.01
W 04
NATIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
Replacing GB/T 3922-1995
Textiles - Tests for Colour Fastness ?€?
Colour Fastness to Perspiration
(ISO 105-E04.2013, MOD)
ISSUED ON. DECEMBER 17, 2013
IMPLEMENTED ON. OCTOBER 15, 2014
Jointly Issued by. General Administration of Quality Supervision,
Inspection and Quarantine (AQSIQ);
Standardization Administration (SAC) of the People's
Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative References... 5
3 Principle ... 6
4 Apparatus and Materials ... 6
5 Test Specimen ... 8
6 Operating Procedure ... 9
7 Test Report ... 10
Foreword
This Standard is drafted according to the rules specified in GB/T 1.1-2009. This Standard replaces GB/T 3922-1995 "Textiles - Testing method for colour fastness to perspiration". Compared with GB/T 3922-1995, the main changes in this Standard are as follows.
?€? Standard name is changed to "Textiles - Tests for colour fastness - Colour fastness to perspiration";
?€? In Chapter 2 "Normative Reference", add GB/T 6682, GB/T 13765, FZ/T 01023 and FZ/T 01024; GB 7546 to GB 7568 and GB 11401 are replaced by GB/T
7568.1 - GB/T 7568.7;
?€? Add the allowable tolerance for the pressure of test device;
?€? Add the second and third paragraphs in 4.1;
?€? The requirements of "no ventilating device" are deleted;
?€? Chapter 6 "Test Solution Preparation" of the original standard is integrated into Chapter 4; and the chapter and article numbers thereafter are extended
accordingly;
?€? Distilled water used for test solution preparation is changed into Grade 3 water; ?€? Add the allowable tolerance of pH value of test solution;
?€? Series numbers of articles in Chapter 4 are adjusted; add 4.8 - 4.13; ?€? Add the note in 6.1;
?€? Add the position and schematic diagram of composite specimens in 6.2; ?€? Add the second and the optional assessment method (instrument) in 6.4; ?€? Test report is changed into inclusion of items; add items a), b) and f), as well as the types of multifibre adjacent fabrics;
?€? Appendix A and Appendix B are deleted.
Using re-drafting method, this Standard modifies and adopts ISO 105-E04.2013 "Textiles - Tests for colour fastness - Part E04. Colour fastness to perspiration" (English edition). Compared with ISO 105-E04.2013, the main differences in this Standard are as follows.
?€? Foreword of the international standard is deleted;
?€? International standards in Chapter 2 "Normative References" are replaced by the corresponding national standards and industry standards of China; GB/T 13765 is added;
?€? Add standard adjacent fabric hemp in Table 1;
?€? Reagents used in 4.3 and 4.4 are specified as chemically pure;
?€? Add 4.11 to 4.13;
?€? Preparation requirements of composite specimens of printing fabrics are added in 5.1.
This standard was proposed by China National Textile and Apparel Council. This Standard shall be under the jurisdiction of the Basic Standard Subcommittee of Technical Committee 209 on Textiles of Standardization Administration of China (SAC/TC 209/SC 1).
Drafting organizations of this Standard. Shanghai Textile Industry Institute of Technical Supervision, Standardization Research Institute of Textile Industry, Shanghai Wool and Jute Textile Research Institute and Shanghai Silk Group Co., Ltd.
Chief drafting staffs of this Standard. Chen Xiaocheng, Liu Yunjin, Si Ying, Wang Jiqiang, and Zhu Yicheng.
The historical editions replaced by this Standard are as follows.
?€? GB/T 3922-1983, GB/T 3922-1995.
Textiles - Tests for Colour Fastness ?€?
Colour Fastness to Perspiration
1 Scope
This Standard specifies a method for determining the colour fastness to perspiration of all kinds of textiles.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 250 Textiles ?€? Tests for colour fastness ?€? Grey scale for assessing change in colour (GB/T 250-2008, ISO 105-A02.1993, IDT)
GB/T 251 Textiles ?€? Tests for colour fastness ?€? Grey scale for assessing staining (GB/T 251-2008, ISO 105-A03.1993, IDT)
GB/T 6151 Textiles ?€? Tests for colour fastness ?€? General principle of testing (GB/T 6151-1997, eqv ISO 105-AOl.1994)
GB/T 6682 Water for analytical laboratory use ?€? Specification and test methods (GB/T 6682-2008, ISO 3696.1987, MOD)
GB/T 7568.1 Textiles ?€? Tests for colour fastness ?€? Specification for wool adjacent fabric (GB/T 7568.1-2002, ISO 105-F01.2001, MOD)
GB/T 7568.2 Textiles ?€? Tests for colour fastness ?€? Standard adjacent fabrics ?€? Part 2. Cotton and viscose (GB/T 7568.2-2008, ISO 105-F02.2008, MOD)
GB/T 7568.3 Textiles ?€? Tests for colour fastness ?€? Standard adjacent fabrics ?€? Part 3. Polyamide (GB/T 7568.3-2008, ISO 105-F03.2001, MOD)
GB/T 7568.4 Textiles ?€? Tests for colour fastness ?€? Specification for polyester adjacent fabric (GB/T 7568.4-2002, ISO 105-F04.2001, MOD)
GB/T 7568.5 Textiles ?€? Tests for colour fastness ?€? Specification for acrylic Figure 1
Figure 2
6.3 Open out each composite specimen (by breaking the stitching except on one of the shorter sides, if necessary). Dry it by hanging it in air at a temperature not exceeding 60 ??C, with the two or three parts in contact only at the line of stitching. 6.4 Assess the change in colour of each specimen and the staining of the adjacent fabric(s) by comparison with the grey scales (4.6 and 4.7) or instrumentally. In many cases of cellulosic fibres dyed with direct dyes containing copper, or after treatment with copper salts, the prescribed tests and natural perspiration bring about a removal of copper from the dyeings. This may cause a significant alteration in colour fastness to light, perspiration or washing. And it is therefore recommended that this possibility should be taken into consideration.
7 Test Report
The test report shall include the following information.
a) serial number of this Standard;
b) all details of the sample tested;
c) the numerical grey scale ratings for change in colour of the specimen in each solution;
d) if single-fibre adjacent fabrics were used, the numerical grey scale rating for staining of each kind of adjacent fabric used;
e) if a multifibre adjacent fabric was used, the numerical grey scale rating for staining of each type of fibre in the multifibre adjacent fabric, and the type of multifibre adjacent fabric used.
f) position of the test specimens in the oven (horizontal position or vertical position).

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