ASTM D2059 / D2059M - 03(2014)

    Standard Test Method for Resistance of Zippers to Salt Spray (Fog)

    Active Standard ASTM D2059 / D2059M | Developed by Subcommittee: D13.54

    Book of Standards Volume: 07.01


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    Significance and Use

    5.1 The resistance of a zipper to a variety of saline and non-saline environments can be estimated from the amount and nature of corrosion products and their effect on operability. Results of exposure to the salt spray are merely indicative of the reaction to other corrosive conditions. While the results cannot be related precisely to a given length of exposure in a specific atmosphere, they are useful for measuring relative performance under prescribed conditions for controlling a manufacturing process, and for measuring the effectiveness of protective coatings.

    5.2 Test Method D2059 for the determination of the resistance of zippers to salt spray is considered satisfactory for acceptance testing of commercial shipments of zippers because the test method is used extensively in the trade for acceptance testing.

    5.2.1 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.

    5.3 The method(s) in the standard along with those in Test Methods D2051, D2052, D2053, D2054, D2057, D2058, D2060, D2061, and D2062 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. Scope

    1.1 This test method covers the determination of the resistance of all types of zippers to corrosion and their ability to function properly after exposure of specified duration in a prescribed salt spray.

    1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

    1.3 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 and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    B117 Practice for Operating Salt Spray (Fog) Apparatus

    D123 Terminology Relating to Textiles

    D2050 Terminology Relating to Fasteners and Closures Used with 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

    D2060 Test Methods for Measuring Zipper Dimensions

    D2061 Test Methods for Strength Tests for Zippers

    D2062 Test Methods for Operability of Zippers

    U. S. Government Standard

    MIL-STD-105D Sampling Procedures and Tables for Inspecting Attributes Available from Naval Publications and Forms Center, 5801 Tabor Ave., Philadelphia, PA 19120.


    ICS Code

    ICS Number Code 61.040 (Headgear. Clothing accessories. Fastening of clothing)

    UNSPSC Code

    UNSPSC Code 53141503(Zippers)


    DOI: 10.1520/D2059_D2059M

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