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ASTM D5171-00(2006)

(Test Method)

Standard Test Method for Impact Resistance of Plastic Sew-Through Flange Buttons

Standard Test Method for Impact Resistance of Plastic Sew-Through Flange Buttons

SIGNIFICANCE AND USE
This test method may be used to determine the ability of a button to resist breaking under impact, for example in pressing the end item, which could cause the button to fail.
Note 1—In the development of this test method it was found that the following factors influenced the ability of a button to resist failure under impact conditions: resin formulation, shape ligne size, thickness, number and spacing of holes. Buttons may also pass this test but fail during the pressing of a garment due to the presence of heat during pressing.
5.1.1 If there are differences of practical significance between the 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, test samples should be used that are as homogeneous as possible, that are drawn from the material from which the disparate rest 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.
Test Method D 5171 for the determination of the impact resistance of buttons may be used for acceptance testing of commercial shipments of buttons but caution is advisable since information is lacking on precision.
SCOPE
1.1 This test method covers the determination of impact resistance of plastic sew-through flange buttons.
1.2 The values stated in either acceptable metric units or other units shall be regarded separately as standard. The values expressed in each system may or may not be exact equivalents: therefore, each system must be used independently of the other, without combining values in any way.
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-May-2006
ICS
61.040 - Headgear. Clothing accessories. Fastening of clothing
Technical Committee
D13 - Textiles
Drafting Committee
D13.54 - Subassemblies
Current Stage
Ref Project

Relations

Replaces
ASTM D5171-00 - Standard Test Method for Impact Resistance of Plastic Sew-Through Flange Buttons
Effective Date
01-Jun-2006
Replaced By
ASTM D5171-09 - Standard Test Method for Impact Resistance of Plastic Sew-Through Buttons
Effective Date
01-Mar-2009
Referred By
ASTM D2050-23 - Standard Terminology Relating to Fastener Subassemblies Used in the Manufacture of Textiles
Effective Date
01-Jun-2006

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ASTM D5171-00(2006) - Standard Test Method for Impact Resistance of Plastic Sew-Through Flange ButtonsASTM D5171-00(2006) - Standard Test Method for Impact Resistance of Plastic Sew-Through Flange Buttons
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ASTM D5171-00(2006) - Standard Test Method for Impact Resistance of Plastic Sew-Through Flange Buttons
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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:D5171–00 (Reapproved 2006)
Standard Test Method for
Impact Resistance of Plastic Sew-Through Flange Buttons
This standard is issued under the fixed designation D 5171; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.5 sew-through flange buttons, n—a button that has two
or more holes in its flange for passage of a needle and thread
1.1 This test method covers the determination of impact
so that the button can be attached to a flexible substrate.
resistance of plastic sew-through flange buttons.
3.1.6 For other textile terminology used in this method,
1.2 The values stated in either acceptable metric units or
refer to Terminology D 123.
other units shall be regarded separately as standard.The values
3.1.7 For definitions of button terms used in this method,
expressed in each system may or may not be exact equivalents:
refer to Terminology D 5497.
therefore,eachsystemmustbeusedindependentlyoftheother,
without combining values in any way.
4. Summary of Test Method
1.3 This standard does not purport to address all of the
4.1 Individual buttons are placed on a surface centered
safety concerns, if any, associated with its use. It is the
under a tube through which a preselected mass falls from a
responsibility of the user of this standard to establish appro-
preselected height. After the mass impacts the button the
priate safety and health practices and determine the applica-
impacted button is removed and visually examined using a 5X
bility of regulatory limitations prior to use.
magnifying glass for breakage, cracking, or chipping.
2. Referenced Documents
5. Significance and Use
2.1 ASTM Standards:
5.1 This test method may be used to determine the ability of
D 123 Terminology Relating to Textiles
a button to resist breaking under impact, for example in
D 618 Practice for Conditioning Plastics for Testing
pressing the end item, which could cause the button to fail.
D 5497 Terminology Relating to Buttons
NOTE 1—In the development of this test method it was found that the
3. Terminology
following factors influenced the ability of a button to resist failure under
impact conditions: resin formulation, shape ligne size, thickness, number
3.1 Definitions:
and spacing of holes. Buttons may also pass this test but fail during the
3.1.1 button, n—a knob, disc, or similar object which when
pressing of a garment due to the presence of heat during pressing.
forced through a narrow opening or buttonhole, fastens one
partofagarmentorotherflexiblesubstratetoanother(Seealso 5.1.1 If there are differences of practical significance be-
tween the reported test results for two laboratories (or more),
sew-through flange button)
3.1.1.1 Discussion—Although the primary purpose of but- comparative tests should be performed to determine if there is
a statistical bias between them, using competent statistical
tons is to serve as fasteners, buttons can also be used as
decoration. assistance.As a minimum, test samples should be used that are
as homogeneous as possible, that are drawn from the material
3.1.2 face, n—in buttons, that portion which will be ex-
posed after attaching to the substrate. from which the disparate rest results were obtained, and that
are randomly assigned in equal numbers to each laboratory for
3.1.3 impact resistance, n—resistance to fracture under the
sudden application of an external force. testing. Other materials with established test values may be
used for this purpose.The test results from the two laboratories
3.1.4 ligne size, n—a unit of measure for button diameter:
one ligne equals 0.635 mm (0.025 in.) 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
This test method is under the jurisdiction ofASTM Committee D13 onTextiles
test results must be adjusted in consideration of the known
and is the direct responsibility of Subcommittee D13.54 on Subassemblies.
bias.
CurrenteditionapprovedJune1,2006.PublishedJuly2006.Originallyapproved
in 1991. Last previous edition approved in 2000 as D 5171–00.
5.2 Test Method D 5171 for the determination of the impact
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
resistance of buttons may be used for acceptance testing of
c
...

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