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Significance and Use
4.1 The significance of specific tests is discussed in the appropriate sections.
4.2 These test methods are considered satisfactory for acceptance testing of commercial shipments of zippers because the methods have been used extensively in the trade for this purpose, even though current estimates of between-laboratory precision are quite large in some cases.
4.2.1 If there are differences of practical significance between reported test results for two laboratories (or more), comparative test should be performed to determine if there is a statistical bias between them, using competent statistical assistance. As a minimum, the test samples should be used that are as homogeneous as possible, that are drawn from the material from which the disparate test results were obtained, and that are randomly assigned in equal numbers to each laboratory for testing. Other materials with established test values may be used for this purpose. The test results from the two laboratories should be compared using a statistical test for unpaired data, at a probability level chosen prior to the testing series. If a bias is found, either its cause must be found and corrected, or future test results must be adjusted in consideration of the known bias.
FIG. 1 Slider Sticking on Bottom Stop
4.3 The method(s) in the standard along with those in Test Methods , , , , , , , , and are a collection of proven test methods. They can be used as aids in the evaluation of zippers without the need for a thorough knowledge of zippers. The enumerated test methods do not provide for the evaluation of all zipper properties. Besides those properties measured by means of the enumerated test methods there are other properties that may be important for the satisfactory performance of a zipper. Test methods for measuring those properties have not been published either because no practical methods have yet been developed or because a valid evaluation of the information resulting from existing unpublished methods requires an intimate and thorough knowledge of zippers.
1.1 These test methods cover procedures for determining the following characteristics of zippers:
Opening and Closing of Zippers
Separator Functioning of Zippers
Sticking of Zippers at Stops
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D123 Terminology Relating to Textiles
D2050 Terminology Relating to Subassemblies Used in the Manufacture of Textiles
D2051 Test Method for Durability of Finish of Zippers to Laundering
D2052 Test Method for Colorfastness of Zippers to Drycleaning
D2053 Test Method for Colorfastness of Zippers to Light
D2054 Test Method for Colorfastness of Zipper Tapes to Crocking
D2057 Test Method for Colorfastness of Zippers to Laundering
D2058 Test Method for Durability of Finish of Zippers to Drycleaning
D2059/D2059M Test Method for Resistance of Zippers to Salt Spray (Fog)
D2060 Test Methods for Measuring Zipper Dimensions
D2061 Test Methods for Strength Tests for Zippers
ICS Number Code 61.040 (Headgear. Clothing accessories. Fastening of clothing)
UNSPSC Code 53141503(Zippers)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D2062-03(2021), Standard Test Methods for Operability of Zippers, ASTM International, West Conshohocken, PA, 2021, www.astm.orgBack to Top