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ASTM D3657-03(2014)

(Specification)

Standard Specification for Zipper Dimensions

Standard Specification for Zipper Dimensions

ABSTRACT
This specification establishes standard dimensions for zippers of all materials for specified size designation; for equivalency, in inch-pound and metric units, of zipper length and length tolerances, of tape width and width tolerances, and of tape end lengths. Size, zipper length, tape width, and tape end length tests shall be performed in accordance with the specified requirements.
SCOPE
1.1 This specification establishes standard dimensions for zippers of all materials for specified size designation; for equivalency, in inch-pound and metric units, of zipper length and length tolerances, of tape width and width tolerances, and of tape end lengths.  
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 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.

General Information

Status
Historical
Publication Date
31-Jan-2014
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 D3657-03(2014) - Standard Specification for Zipper Dimensions
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D3657 −03 (Reapproved 2014)
Standard Specification for
1
Zipper Dimensions
This standard is issued under the fixed designation D3657; 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 4. Sampling
1.1 This specification establishes standard dimensions for 4.1 Sample the lot and select the number of specimens as
directed in Methods D2060.
zippers of all materials for specified size designation; for
equivalency, in inch-pound and metric units, of zipper length
5. Dimensions and Permissible Variations
and length tolerances, of tape width and width tolerances, and
5.1 Zippers shall conform to the dimensions listed in Tables
of tape end lengths.
1-4.
1.2 The values stated in either SI units or inch-pound units
5.2 Tables 2 and 3 include tolerances which represent trade
are to be regarded separately as standard. The values stated in
practiceandareincommonuse.Thetolerancesarenotuniform
each system may not be exact equivalents; therefore, each
between sizes because of differing requirements of the zippers
system shall be used independently of the other. Combining
based on their normal end-use.
values from the systems may result in non-conformance with
5.3 Table 2, within a size, has uniform plus tolerances.
the standard.
Minus tolerances increase nonuniformly with increasing length
1.3 This standard does not purport to address all of the
because that is accepted trade practice based on the require-
safety concerns, if any, associated with its use. It is the
ments of the end products in which the zippers are installed.
responsibility of the user of this standard to establish appro-
5.3.1 Because zipper chain is composed of a series of
priate safety and health practices and determine the applica-
elements with a prescribed pitch and each element must remain
bility of regulatory limitations prior to use.
complete to function, it is impossible to manufacture a zipper
deliberately to an exact stated length. Therefore a shipment of
2. Referenced Documents
zippers of a stated length will not likely average the stated
2
2.1 ASTM Standards:
length. Both the lot average length and the length of individual
D123 Terminology Relating to Textiles
zippers should fall within the tolerances in Table 2.
D2050 Terminology Relating to Fasteners and Closures
5.4 Table 4 shows the metric conversion for standard
Used with Textiles
inch-pound unit tape end lengths. Tape end length tolerances
D2060 Test Methods for Measuring Zipper Dimensions
are not shown due to widely varying end-use requirements and
3. Terminology inherent zipper manufacturing dimension variations. Toler-
ances to be observed should be agreed upon between purchaser
3.1 Definitions:
and supplier.
3.1.1 For definitions of zipper terms used in this standard,
refer to Terminology D2050. For definitions of other textile
6. Test Methods
terminology used in this standard refer to Terminology D123.
6.1 Size—Determine the zipper size as directed in the mouth
width procedure of Test Methods D2060.
1
This specification is under the jurisdiction of ASTM Committee D13 on
6.2 Zipper Length—Determine the zipper length as directed
Textiles and is the direct responsibility of Subcommittee D13.54 on Subassemblies.
in the length of completely assembled zipper procedure of Test
This specification was developed in cooperation with the Slide Fastener and Closure
Methods D2060.
Association.
Current edition approved Feb. 1, 2014. Published March 2014. Originally
6.3 Tape Width—Determine the zipper tape width as di-
approved in 1978. Last previous edition approved in 2009 as D3657 – 03(2009).
rected in the tape width procedure of Test Methods D2060.
DOI: 10.1520/D3657-03R14.
2
For reference ASTM standards, visit the ASTM Web Site, www.astm.org, or
6.4 Tape End Length—Determine the zipper tape end length
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
as directed in the length of tape end procedure of Methods
Standards,volume information, refer to the standard’s Document Summary page on
the ASTM web site.1. D2060.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D3657−03 (Reapproved 2014)
1

---------------------- Page: 2 ----------------------
D3657−03 (2014)
TABLE 1 Zipper Sizes
Slider Mouth Widths
Size
A
Designation
mm in.
1 and 2 up to 3.8 up to 0.150
3 and 4 over 3.8 to 5.7 over 0.150 to 0.225
5 and 6 over 5.7 to 7.0 over 0.225 to 0.275
7, 8, 9, and 10 over 7.0 over 0.275
A
Zipper sizes are grouped in this table becau
...

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Sections  
Chain Flatness  
34 – 39  
Chain Straightness  
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Chain Thickness  
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Chain Width  
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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.  
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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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5.1 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.  
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