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GB/T 3921.1-1997 (GB/T 3921-2008 Newer Version) PDF English


Search result: GB/T 3921.1-1997 (GB/T 3921-2008 Newer Version)
Standard IDContents [version]USDSTEP2[PDF] delivered inName of Chinese StandardStatus
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 3921.1-1997English95 Add to Cart 0-9 seconds. Auto-delivery. Textiles--Tests for colour fastness--Colour fastness to washing: Test 1 Obsolete
GB/T 3921-1983EnglishRFQ ASK 3 days Textiles--Testing method for colour fastness to washing Obsolete
BUY with any currencies (Euro, JPY, GBP, KRW etc.): GB/T 3921-2008     Newer version: GB/T 3921-2008

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GB/T 3921.1-1997: PDF in English (GBT 3921.1-1997)

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. ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.