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ASTM D2051-14(2022)

(Test Method)

Standard Test Method for Durability of Finish of Zippers to Laundering

Standard Test Method for Durability of Finish of Zippers to Laundering

SIGNIFICANCE AND USE
5.1 Test Method D2051 is useful for testing to determine the effect of repeated laundering on the appearance of the decorative coating of a zipper.  
5.2 This test method is considered satisfactory for acceptance testing of commercial shipments because the method has been 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 test method(s) in the standard along with those in Test Methods D2052, D2053, D2054, D2057, D2058, D2059, 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no practical methods have yet been developed or because a valid evaluation of the information resulting from existing unpublished methods requires an inti...
SCOPE
1.1 This test method covers the determination of the durability of the enamel or other decorative coating of a zipper when subjected to laundering.  
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 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.

General Information

Status
Published
Publication Date
28-Feb-2022
ICS
61.040 - Headgear. Clothing accessories. Fastening of clothing
Technical Committee
D13 - Textiles
Drafting Committee
D13.54 - Subassemblies
Current Stage
Ref Project

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ASTM D2051-14(2022) - Standard Test Method for Durability of Finish of Zippers to LaunderingASTM D2051-14(2022) - Standard Test Method for Durability of Finish of Zippers to Laundering
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ASTM D2051-14(2022) - Standard Test Method for Durability of Finish of Zippers to Laundering
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Standards Content (Sample)

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.
Designation: D2051 − 14 (Reapproved 2022)
Standard Test Method for
1
Durability of Finish of Zippers to Laundering
This standard is issued under the fixed designation D2051; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D2059 Test Method for Resistance of Zippers to Salt Spray
(Fog)
1.1 This test method covers the determination of the dura-
D2060 Test Methods for Measuring Zipper Dimensions
bility of the enamel or other decorative coating of a zipper
D2061 Test Methods for Strength Tests for Zippers
when subjected to laundering.
D2062 Test Methods for Operability of Zippers
1.2 The values stated in SI units are to be regarded as
2.2 AATCC Method:
standard. The values given in parentheses after SI units are
Method 61 Colorfastness to Washing, Domestic; and
provided for information only and are not considered standard. 3
Laundering, Commercial: Accelerated
1.3 This standard does not purport to address all of the
3. Terminology
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
3.1 Definitions—For definitions of zipper terms used in this
priate safety, health, and environmental practices and deter-
standard, refer to Terminology D2050. For definitions of other
mine the applicability of regulatory limitations prior to use.
textile terminology used in this standard, refer to Terminology
1.4 This international standard was developed in accor-
D123.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
4. Summary of Test Method
Development of International Standards, Guides and Recom-
4.1 Specimens are laundered in laboratory equipment at a
mendations issued by the World Trade Organization Technical
low liquor-to-goods ratio under conditions of temperature,
Barriers to Trade (TBT) Committee.
bleaching, and abrasive action that produce the effect of
repeated launderings in a conveniently short time. The zipper
2. Referenced Documents
coating is abraded by the throw, slide, and impact of an
2
2.1 ASTM Standards:
appropriate number of steel balls. The effects of the test on
D123 Terminology Relating to Textiles
zipper coating are evaluated by noting the loss of coating on
D2050 Terminology Relating to Subassemblies Used in the
the zipper chain or components, or both.
Manufacture of Textiles
5. Significance and Use
D2052 Test Method for Colorfastness of Zippers to Dry-
cleaning
5.1 TestMethodD2051isusefulfortestingtodeterminethe
D2053 Test Method for Colorfastness of Zippers to Light
effect of repeated laundering on the appearance of the decora-
D2054 Test Method for Colorfastness of Zipper Tapes to
tive coating of a zipper.
Crocking
5.2 This test method is considered satisfactory for accep-
D2057 Test Method for Colorfastness of Zippers to Laun-
tance testing of commercial shipments because the method has
dering
been used extensively in the trade for acceptance testing.
D2058 Test Method for Durability of Finish of Zippers to
5.2.1 If there are differences of practical significance
Drycleaning
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 assis-
1
This test method is under the jurisdiction ofASTM Committee D13 on Textiles
tance. As a minimum, the test samples should be used that are
and is the direct responsibility of Subcommittee D13.54 on Subassemblies. The
method was developed in cooperation with the Slide Fastener Association, Inc.
as homogeneous as possible, that are drawn from the material
Current edition approved March 1, 2022. Published March 2022. Originally
from which the disparate test results were obtained, and that
approved in 1961. Last previous edition approved in 2014 as D2051 – 14. DOI:
are randomly assigned in equal numbers to each laboratory for
10.1520/D2051-14R22.
2
For referenced ASTM standards, visit the ASTM web site, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Technical Manual of the American Association of Textile Chemists and
the ASTM web site. Colorists, P.O. Box 12215, Research Triangle Park, NC 27709.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

...

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5.1 Test Method D2058 is useful for determining the effect of repeated drycleaning on the appearance of the decorative coating of a zipper.  
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5.2.1 If there are differences of practical significance between reported test results for two laboratories (or more), comparative tests 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 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, D2059, 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 thoroug...
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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.

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ASTM D2060-14(2022)(Test Method)
Standard Test Methods for Measuring Zipper Dimensions

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 because the test methods have been used extensively in the trade for this purpose, and because current estimates of between-laboratory precision are acceptable in most cases.  
4.2.1 In case of a dispute arising from differences in reported test results when using Test Methods D2060 for acceptance testing of commercial shipments, the purchaser and the supplier should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. As a minimum, the two parties should take a group of test specimens that are as homogeneous as possible and that are from a lot of material of the type in question. The test specimens should then be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using Student's t-test for unpaired data and an acceptable probability level chosen by the two parties before the testing is begun. If a bias if found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results in the light of the known bias.  
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SCOPE
1.1 These test methods cover the measurement of the dimensions of all types and sizes of zippers.  
1.2 The test methods appear as follows:    
Sections  
Chain Flatness  
34 – 39  
Chain Straightness  
40 – 44  
Chain Thickness  
28 – 33  
Chain Width  
45 – 50  
Length of Zipper or Parts  
9 – 14  
Longitudinal Dimensional Change  
51 – 58  
Slider Mouth Width  
21 – 27  
Tape Width  
15 – 20  
1.3 The values stated in either SI units or in other units shall be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way.  
1.4 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.  
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ASTM D2059/D2059M-03(2022)(Test Method)
Standard Test Method for Resistance of Zippers to Salt Spray (Fog)

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.  
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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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 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.

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