GB/T 3921-2008_English: PDF (GB/T3921-2008)
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Textiles -- Tests for colour fastness -- Colour fastness to washing with soap or soap and soda
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GB/T 3921-2008
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GB/T 3921.1-1997 | English | 95 |
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Textiles--Tests for colour fastness--Colour fastness to washing: Test 1
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GB/T 3921-1983 | English | RFQ |
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Textiles--Testing method for colour fastness to washing
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Standard ID | GB/T 3921-2008 (GB/T3921-2008) | Description (Translated English) | Textiles - Tests for colour fastness - Colour fastness to washing with soap or soap and soda | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | W04 | Classification of International Standard | 59.080.01 | Word Count Estimation | 7,751 | Date of Issue | 2008-04-09 | Date of Implementation | 2008-12-01 | Older Standard (superseded by this standard) | GB/T 3921.1-1997; GB/T 3921.2-1997; GB/T 3921.3-1997; GB/T 3921.4-1997; GB/T 3921.5-1997 | Quoted Standard | GB/T 6682; GB 7565; GB/T 7568.1; GB/T 7568.4; GB/T 7568.5; GB/T 7568.6; GB/T 8424.1; GB/T 8424.3; GB 11403; GB 11404; GB/T 13765; FZ/T 01023; FZ/T 01024; ISO 105-F07; GB 250; GB 251; GB/T 6151 | Adopted Standard | ISO 105-C10-2006, MOD | Drafting Organization | Textile Institute of Industrial Standardization | Administrative Organization | Textile -based branch of the National Standardization Technical Committee | Regulation (derived from) | National Standard Approval Announcement 2008 No.6 (Total No.119) | Proposing organization | China Textile Industry Association | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, China National Standardization Administration Committee | Summary | This standard specifies the method for color fastness to washing routine household use of all types of textile measurement, ranging from relaxation to strenuous five kinds of different washing procedures test. This standard is only used to determine the impact on the textile color fastness of washing, laundry does not reflect the consolidated results of the program. | Standard ID | GB/T 3921.1-1997 (GB/T3921.1-1997) | Description (Translated English) | Textiles--Tests for colour fastness--Colour fastness to washing: Test 1 | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | W04 | Classification of International Standard | 59.080.01 | Word Count Estimation | 7,713 | Date of Issue | 1997/6/9 | Date of Implementation | 1997/12/1 | Older Standard (superseded by this standard) | GB 3921-1983 | Adopted Standard | ISO 105-C01-1989, MOD | Regulation (derived from) | Announcement of Newly Approved National Standards 2008 No. 6 (No. 119 overall) | Proposing organization | China Textile Association | Issuing agency(ies) | State Bureau of Technical Supervision | Standard ID | GB/T 3921-1983 (GB/T3921-1983) | Description (Translated English) | Textiles--Testing method for colour fastness to washing | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | W04 | Date of Issue | 1983/11/7 |
GB/T 3921-2008
GB
ICS 59.080.01
W 04
NATIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
Replacing GB/T 3921.1~3921.5-1997
Textiles - Tests for Colour Fastness - Colour
Fastness to Washing with Soap or Soap and
Soda
(ISO 105-C10. 2006, MOD)
Issued on. April 29, 2008 Implemented on December 01, 2008
Jointly issued by. General Administration of Quality Supervision,
Inspection and Quarantine (GAQSIQ);
Standardization Administration (SAC) of the People's
Republic of China.
Table of Contents
Forward ... 3
1 Scope ... 5
2 Normative References... 5
3 Principle ... 6
4 Apparatus ... 6
5 Reagents and Materials ... 7
6 Test Specimen ... 8
7 Operation Procedures ... 9
8 Test Report ... 10
Forward
This Standard modifies and adopts ISO 105-C10.2006 "Textiles - Tests for Colour
Fastness - Part C10. Colour Fastness to Washing with Soap or Soap and Soda".
Compared with ISO 105-C10.2006, the main differences in this Standard are as
follows.
1. The international standards specified in normative references are replaced by
corresponding national standards;
2. The flax adjacent fabrics complying with GB/T 13765 are added in Table 1.
3. The rinsing method of composite-specimens after washing in 7.3 is improved.
This Standard shall replace GB/T 3921.1-1997 "Textiles - Tests for Colour Fastness -
Colour Fastness to Washing. Test 1", GB/T 3921.2-1997 "Textiles - Tests for Colour
Fastness - Colour Fastness to Washing. Test 2", GB/T 3921.3-1997 "Textiles - Tests
for Colour Fastness - Colour Fastness to Washing. Test 3", GB/T 3921.4-1997
"Textiles - Tests for Colour Fastness - Colour Fastness to Washing. Test 4" and GB/T
3921.5-1997 "Textiles - Tests for Colour Fastness - Colour Fastness to Washing. Test
5".
Compared with GB/T 3921.1~3921.5-1997, the main changes in this Standard are as
follows.
1. Five parts of the original standards are integrated as one standard;
2. The professional standard of the instrumental assessment and international
standard of acetate adjacent fabrics are added in normative references;
3. The recommendation on the mechanical stirring device and heating soap
solution device is added;
4. The requirements of multi-fibre adjacent fabrics adopted for different test
methods are added;
5. The selection method for the second piece of single-fibre adjacent fabrics tested
at 60°C and 95°C is modified;
6. The rinsing method of composite specimens after washing is modified;
7. The optional assessment method for the change in colour of the specimen or the
staining of adjacent fabric instrumentally is added.
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 on Textiles of Standardization Administration of China (SAC/TC
209/SC 1).
Chief Drafting Organizations of this Standard. Standardization Institute of Textile
Industry, and Beijing Entry-Exit Inspection and Quarantine Bureau.
Chief drafting staffs of this Standard. Si Ying, and Yu Feng.
The historical editions replaced by this Standard are as follows.
- GB 3921-1983, GB/T 3921.1-1997, GB/T 3921.2-1997, GB/T 3921.3-1997,
GB/T 3921.4-1997, and GB/T 3921.5-1997.
Textiles - Tests for Colour Fastness - Colour Fastness to
Washing with Soap or Soap and Soda
1 Scope
This Standard specifies methods for determining the colour fastness to washing of all
kinds of textiles that are commonly used in households, It includes 5 type of tests on
different washing procedures - from mild to severe procedure.
This Standard is only used to determine the effect of washing on the colour fastness of
the textile. It is not intended to reflect the result of the comprehensive laundering
procedure.
2 Normative References
The following normative documents contain provision which, through reference in this
text, constitute the provisions of this Standard. For dated reference, subsequent
amendments (excluding amending error in the text) or revisions of these publications
do not apply. However, all parties who enter into an agreement according to this
Standard are encouraged to study whether the latest edition of the normative
document is applicable. For undated references, the latest edition of the normative
document referred to applies.
GB 250 Grey Scale for Assessing Change in Colour (GB 250-1995, ISO 105-A02.
1993, IDT)
GB 251 Gray Scale for Assessing Staining (GB 251-1995, ISO 105-A03. 1993,
IDT)
GB/T 6151 Textiles - Tests for Colour Fastness - General Principle of Testing
(GB/T 6151-1997, ISO 105-A01. 1994, EQV)
GB/T 6682 Water for Analytical Laboratory Use - Specification and Test Methods
(GB/T 6682-1992, ISO 3696. 1987, NEQ)
GB 7565 Textiles - Tests for Colour Fastness - Specification for Standard
Adjacent Fabric-Cotton and Viscose (GB/T 7565-1987, ISO 105-F02. 1982, NEQ)
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 7568.4 Textiles - Tests for Colour Fastness - Specification for Polyester
them twice in Grade 3 water (5.4) respectively. Then rinse them clean in running
water.
7.4 For all methods, extract the excess water from the composite-specimen by
squeezing the test specimen by hand.
Open out the composite-specimen by cutting the stitching except on one of the
shorter sides if necessary.
7.5 Dry the specimen by pressing it flat between two filter papers to remove excess
water. Then dry by hanging it in air at a temperature not exceeding 60 °C; the
specimen and adjacent fabric are contacted only at the line of stitching.
7.6 Assess the change in colour of the specimen and the staining of the adjacent
fabric with reference to the original specimen by using either the grey scales or
instrument. See GB 250, GB 251, GB/T 8424.3, FZ/T 01023 and FZ/T 01024.
8 Test Report
Test report shall include the following information.
a) Serial number of this Standard (GB/T 3921-2008);
b) All details of test specimen;
c) The number of test methods used, from Table 2;
d) The numerical rating for the change in colour of the specimen with grey scales
or instrumental assessment;
e) If single-fibre adjacent fabrics were used, the numerical rating for staining of
each kind of adjacent fabric used;
f) If a multifibre adjacent fabric was used, the staining of each type of fibre in the
multifibre adjacent fabric, and the type of multifibre adjacent fabric used;
g) Any deviation details of this Standard and abnormal phenomena in tests.
......
GB/T 3921.1-1997
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.01
W 04
eqv ISO 105-C01:1989
Replacing GB 3921-1983
Textiles – Tests for Color Fastness
– Color Fastness to Washing: Test 1
ISSUED ON: JUNE 09, 1997
IMPLEMENTED ON: DECEMBER 01, 1997
Issued by: State Administration of Technical Supervision
Replaced
Table of Contents
Foreword ... 3
ISO Foreword ... 4
1 Scope ... 5
2 Normative References ... 5
3 Principle ... 5
4 Apparatus and Reagents ... 6
5 Specimen ... 7
6 Operation Procedure ... 8
7 Test Report ... 8
Appendix A (Prompted) Test Device ... 9
Appendix B (Prompted) Synthetic Detergent ... 10
Foreword
This Standard equivalently adopts ISO 105-C01:1989. It is one of the standards on the
test methods of color fastness to washing.
This Standard made the following modifications against GB/T 3921-1983:
1. According to GB/T 1.1-1993, modify the cover and heading format; add the
foreword and ISO foreword; add 3 normative references; delete the
recommendation of 3 foreign test instruments. Synthetic detergents are listed in
Appendix B.
2. Modify the unit of length into mm.
3. Modify the distilled water into Class-III water.
4. Modify the fabric combination sample from sewing four sides to sewing one short
side. If necessary, make other provisions.
5. Add the use of multi-fiber lining and single-fiber lining.
This Standard replaced Method 1 in GB 3921-1983 since the implementation date.
This Standard was proposed by China National Textile Council.
This Standard shall be under the jurisdiction of Standardization Research Institute of
China Textile General Association.
Drafting organizations of this Standard: Standardization Research Institute of China
Textile General Association; Shanghai Textile Standard Metrology Institute; and
Shanghai Wool & Jute Textile Research Institute. Participating drafting organization of
this Standard is Shanghai Silk Science Technology Institute.
Chief drafting staffs of this Standard: Qi Yamin, Xu Jieshou, Lu Wenbao, Li Ming, Hu
Minmin.
This Standard was first-time published in 1983.
This Standard was entrusted Standardization Research Institute of China Textile
General Association to interpret.
Textiles – Tests for Color Fastness
– Color Fastness to Washing: Test 1
1 Scope
This Part specifies No.1 Test of a series of five washing tests that have been
established to investigate the fastness to washing of colored textiles and which
between them cover the range of washing procedures from mild to severe.
NOTE: This method is designed to determine the effect of washing only on the color fastness
of the textile. It is not intended to reflect the result of the comprehensive laundering procedure.
2 Normative References
The following standards contain provisions which, through reference in this Standard,
constitute provisions of this Standard. At the time of publication, the editions indicated
are valid. All standards are subject to revision. The parties who are using this Standard
shall explore the possibility of using the latest version of the following standards.
GB 250-1995 Gray Scale for Accessing Change in Color (idt ISO 105-A02:1993)
GB 251-1995 Gray Scale for Accessing Staining (idt ISO 105-A03:1993)
GB/T 6151-1997 Textiles – Tests for Color Fastness – General Principle of Testing
(eqv ISO 105-A01:1994)
GB 7564~7568-87 Textiles – Tests for Color Fastness – Specification for Standard
Adjacent Fabric (neq ISO 105-F:1985)
GB 11404-89 Textiles – Tests for Color Fastness – Specification for Standard
Adjacent Fabric: Multifiber (neq ISO 105-F10:1989)
3 Principle
A specimen of the textile in contact with one or two specified adjacent fabrics is
mechanically agitated under specified conditions of time and temperature in a soap
solution, then rinsed and dried. The change in color of the specimen and the staining
of the adjacent fabric(s) are assessed with the gray scales.
......
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