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GB/T 3921-2008 English PDF (GB/T 3921.1-1997, GB/T 3921-1983)

GB/T 3921-2008_English: PDF (GB/T3921-2008)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 3921-2008English70 Add to Cart 0--9 seconds. Auto-delivery Textiles -- Tests for colour fastness -- Colour fastness to washing with soap or soap and soda Valid GB/T 3921-2008
GB/T 3921.1-1997English95 Add to Cart 0--9 seconds. Auto-delivery Textiles--Tests for colour fastness--Colour fastness to washing: Test 1 Obsolete GB/T 3921.1-1997
GB/T 3921-1983EnglishRFQ ASK 3 days [Need to translate] Textiles--Testing method for colour fastness to washing Obsolete GB/T 3921-1983


BASIC DATA
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Older Standard (superseded by this standard) GB/T 3921.1-1997; GB/T 3921.2-1997; GB/T 3921.3-1997; GB/T 3921.4-1997; GB/T 3921.5-1997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.

BASIC DATA
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

BASIC DATA
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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