ASTM D2051-2003 Standard Test Method for Durability of Finish of Zippers to Laundering《拉链表面漆耐洗性能的标准试验方法》.pdf
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1、Designation: D 2051 03Standard Test Method forDurability of Finish of Zippers to Laundering1This standard is issued under the fixed designation D 2051; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A nu
2、mber in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method covers the determination of the dura-bility of the enamel or other decorative coating of a zipperwhen subjected to laun
3、dering.1.2 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Refer
4、enced Documents2.1 ASTM Standards:2D 123 Terminology Relating to TextilesD 2050 Terminology Relating to ZippersD 2052 Test Method for Colorfastness of Zippers to Dry-cleaningD 2053 Test Method for Colorfastness of Zippers to LightD 2054 Test Method for Colorfastness of Zipper Tapes toCrockingD 2057
5、Test Method for Colorfastness of Zippers to Laun-deringD 2058 Test Method for Durability of Finish of Zippers toDrycleaningD 2059 Test Method for Resistance of Zippers to Salt Spray(Fog)D 2060 Test Methods for Measuring Zipper DimensionsD 2061 Test Methods for Strength Tests for ZippersD 2062 Test M
6、ethods for Operability of Zippers2.2 AATCC Method:Method 61 Colorfastness to Washing, Domestic; and Laun-dering, Commercial: Accelerated33. Terminology3.1 DefinitionsFor definitions of zipper terms used in thisstandard, refer to Terminology D 2050. For definitions of othertextile terminology used in
7、 this standard, refer to TerminologyD 123.4. Summary of Test Method4.1 Specimens are laundered in laboratory equipment at alow liquor-to-goods ratio under conditions of temperature,bleaching, and abrasive action that produce the effect ofrepeated launderings in a conveniently short time. The zipperc
8、oating is abraded by the throw, slide, and impact of anappropriate number of steel balls. The effects of the test onzipper coating are evaluated by noting the loss of coating onthe zipper chain or components, or both.5. Significance and Use5.1 Test Method D 2051 is useful for testing to determinethe
9、 effect of repeated laundering on the appearance of thedecorative coating of a zipper.5.2 This test method is considered satisfactory for accep-tance testing of commercial shipments because the method hasbeen used extensively in the trade for acceptance testing.5.2.1 If there are differences of prac
10、tical significancebetween reported test results for two labortories (or more),comparative test should be performed to determine if there is astatistical bias between them, using compentent statisticalassistance. As a minimum, the test samples should be used thatare as homogeneous as possible, that a
11、re drawn from thematerial from which the disparate test results were obtained,and that are randomly assigned in equal numbers to eachlaboratory for testing. Other materials with established testvalues may be used for this purpose. The test results from thetwo laboratories should be compared using a
12、statistical test forunpaired data, at a probability level chosen prior to the testingseries. If a bias is found, either its cause must be found andcorrected, or future test results must be adjusted in consider-ation of the known bias.5.3 The test method(s) in the standard along with those inTest Met
13、hods D 2052, D 2053, D 2054, D 2057, D 2058,D 2059, D 2060, D 2061, and D 2062 are a collection ofproven test methods. They can be used as aids in the evaluationof zippers without the need for a thorough knowledge of1This test method is under the jurisdiction of ASTM Committee D13 on Textiles,and is
14、 the direct responsibility of Subcommittee D13.54 on Subassemblies. Themethod was developed in cooperation with the Slide Fastener Association, Inc.Current edition approved Dec. 1, 2003. Published December 20032003. Origi-nally approved in 1961. Last previous edition approved in 1997 as D 2051 86(19
15、97).2For referenced ASTM standards, visit the ASTM web site, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. ForAnnual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM web site.3Technical Manual of the American Association of Textile
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