Test Method for Bursting Strength of Textiles-Constant-Rate-of-Traverse (CRT) Ball Burst Test

SCOPE
1.1 This test method describes the measurement for bursting strength with a ball burst strength tester of textiles or garments that exhibit a high degree of ultimate elongation.
1.2 The values stated in SI units are to be regarded as the standard.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as the standard. Within the test, the inch-pound units are shown in parenthesis. The values stated in each system are not exact equivalents; therefore, each system may be used independently of the other. Combining values from the two systems may result in nonconformance within the specification.
Note 1—For the measurement of bursting strength with a hydraulic testing machine, refer to Test Method D 3786.
1.4 This standard may involve hazardous materials, operations and equipment. 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 us.

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09-Dec-2001
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ASTM D3787-01 - Test Method for Bursting Strength of Textiles-Constant-Rate-of-Traverse (CRT) Ball Burst Test
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D3787–01
Standard Test Method for
Bursting Strength of Textiles—Constant-Rate-of-Traverse
1
(CRT) Ball Burst Test
This standard is issued under the fixed designation D 3787; 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 3.1.1 bursting strength, n—the distending force, which is
applied at right angles to the plane of the fabric, under specific
1.1 Thistestmethoddescribesthemeasurementforbursting
conditions, which will result in the rupture of a textile.
strength with a ball burst strength tester of textiles or garments
3.1.1.1 Discussion—the angle of the application of force,
that exhibit a high degree of ultimate elongation.
andtheareaofthefabricuponwhichtheforceisappliedvaries
1.2 The values stated in SI units are to be regarded as the
continuously as the fabric stretches when it is tested as directed
standard.
in this method.
1.3 The values stated in either SI units or inch-pound units
3.1.2 constant-rate-of-traverse tensile testing machine
are to be regarded separately as the standard. Within the test,
(CRT), n—atestingmachineinwhichthepullingclampmoves
the inch-pound units are shown in parenthesis. The values
at a uniform rate and the load is applied through the other
stated in each system are not exact equivalents; therefore, each
clamp which moves appreciably to actuate a weighing mecha-
system may be used independently of the other. Combining
nism, so that the rate of increase of load or elongation is
values from the two systems may result in nonconformance
dependent upon the extension characteristics of the specimen.
within the specification.
3.1.3 fabric, knitted, n—a structure produced by inter-
NOTE 1—For the measurement of bursting strength with a hydraulic
looping one or more ends of yarn or comparable material.
testing machine, refer to Test Method D 3786.
3.1.4 fabric, nonwoven, n—a textile structure produced by
1.4 This standard may involve hazardous materials, opera-
bonding or interlocking of fibers, or both, accomplished by
tions and equipment. This standard does not purport to address
mechanical, chemical, or solvent means and combinations
all of the safety concerns, if any, associated with its use. It is
thereof.
the responsibility of the user of this standard to establish
3.1.5 For definitions of other textile terms used in this
appropriate safety and health practices and determine the
method refer to Terminology D 123.
applicability of regulatory limitations prior to us.
4. Summary of Test Method
2. Referenced Documents
4.1 A specimen is securely clamped without tension be-
2
2.1 ASTM Standards:
tween grooved, circular plates of the ball burst attachment
D76 SpecificationforTensileTestingMachinesforTextiles
secured to the pulling (movable) jaw for the constant-rate-of-
D 123 Terminology Relating to Textiles
traverse (CRT) testing machine. A force is exerted against the
D 1776 Practice for Conditioning Textiles for Testing
specimen by a polished, hardened steel ball that is attached to
D 3786 Test Method for Hydraulic Bursting Strength of
the pendulum-actuating (fixed) clamp of the machine, until
Textile Fabrics Hydraulic Diaphragm Bursting Strength
rupture occurs.
Tester Method
5. Significance and Use
3. Terminology
5.1 This test method for the determination of ball bursting
3.1 Definitions:
strength of textiles is being used by the textile industry for the
evaluation of a wide variety of fabrics.
5.2 In the case of test results obtained using the procedures
in Test Method D 3787 have not been correlated with actual
1
This test method is under the jurisdiction ofASTM Committee D13 onTextiles
performance. Test Method D 3787 is considered satisfactory
and is the direct responsibility of D13.59 on Fabric Teste Methods, General.
Current edition approved Dec. 10, 2001. Published March 2002.
for acceptance testing of commercial shipments of textiles
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
fabrics for bursting strength since the method has been used
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
extensively in the trade for acceptance testing. In cases of
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. disagreement arising from differences in values reported by the
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact ASTM
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