Standard Test Method for Bursting Strength of Textile Fabrics-Diaphragm Bursting Strength Tester Method

SIGNIFICANCE AND USE
This method for the determination of diaphragm bursting strength of knitted, nonwoven and woven fabrics is being used by the textile industry for the evaluation of a wide variety of end uses.
In cases where test results obtained using the procedures in Test Method D 3786 have not been correlated with actual performance, Test Method D 3786 is considered satisfactory for acceptance testing of commercial shipments of textile fabrics for bursting strength since the method has been used extensively in the trade for acceptance testing. In cases where disagreement arising from differences in values reported by the purchaser and the supplier when using Test Method D 3786 for acceptance testing, the statistical bias, if any, between the laboratory of the purchaser and the laboratory of the supplier should be determined with comparison based on testing specimens randomly drawn from one sample of material of the type being evaluated.
Note 2—The kind of load transfer and stretch that occur when knitted goods and nonwoven fabrics are worn are prevented by clamping them as described in this method.
SCOPE
1.1 This test method describes the measurement of the resistance of textile fabrics to bursting using a hydraulic or pneumatic diaphragm bursting tester. This test method is generally applicable to a wide variety of textile products.
1.2 This test method may also be applicable for stretch woven and woven industrial fabrics such as inflatable restraints.
1.3 The values stated in S. I. Units are to be regarded as the standard.
Note 1—For the measurement of the bursting strength by means of a ball burst mechanism, refer to Test Method D 3787.
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.

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Publication Date
14-Aug-2006
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ASTM D3786-06e1 - Standard Test Method for Bursting Strength of Textile Fabrics-Diaphragm Bursting Strength Tester Method
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
e1
Designation:D3786–06
Standard Test Method for
Bursting Strength of Textile Fabrics—Diaphragm Bursting
1
Strength Tester Method
This standard is issued under the fixed designation D 3786; 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.
This standard has been approved for use by agencies of the Department of Defense.
1
e NOTE—Editorial changes were made throughout in January 2007.
3
1. Scope TAPPI T 403, OM.91 Bursting Strength of Paper
1.1 This test method describes the measurement of the
3. Terminology
resistance of textile fabrics to bursting using a hydraulic or
3.1 For all terminology related to D13.59, Fabric Test
pneumatic diaphragm bursting tester. This test method is
Methods, see Terminology D 4850.
generally applicable to a wide variety of textile products.
3.1.1 The following terms are relevant to this standard:
1.2 This test method may also be applicable for stretch
bursting strength, knitted fabric, nonwoven fabric. stretch
woven and woven industrial fabrics such as inflatable re-
woven fabric, woven fabric.
straints.
3.2 For all other terminology related to textiles, see Termi-
1.3 The values stated in S. I. Units are to be regarded as the
nology D 123.
standard.
4. Summary of Test Method
NOTE 1—For the measurement of the bursting strength by means of a
ball burst mechanism, refer to Test Method D 3787.
4.1 A specimen is clamped over an expandable diaphragm.
1.4 This standard does not purport to address all of the The diaphragm is expanded by fluid pressure to the point of
safety concerns, if any, associated with its use. It is the
specimen rupture. The difference between the total pressure
responsibility of the user of this standard to establish appro- required to rupture the specimen and the pressure required to
priate safety and health practices and determine the applica-
inflate the diaphragm is reported as the bursting strength.
bility of regulatory limitations prior to use.
5. Significance and Use
2. Referenced Documents
5.1 This method for the determination of diaphragm burst-
2
2.1 ASTM Standards:
ing strength of knitted, nonwoven and woven fabrics is being
D 123 Terminology Relating to Textiles used by the textile industry for the evaluation of a wide variety
D 1776 Practice for Conditioning and Testing Textiles
of end uses.
D 3787 Test Method for Bursting Strength of Textiles— 5.2 Incaseswheretestresultsobtainedusingtheprocedures
Constant-Rate-of-Traverse (CRT) Ball Burst Test
in Test Method D 3786 have not been correlated with actual
D 4850 Terminology Relating to Fabric performance, Test Method D 3786 is considered satisfactory
2.2 Other Standard:
for acceptance testing of commercial shipments of textile
fabrics for bursting strength since the method has been used
extensively in the trade for acceptance testing. In cases where
1
This test method is under the jurisdiction ofASTM Committee D13on Textiles
disagreement arising from differences in values reported by the
and is the direct responsibility of Subcommittee D13.59 on Fabric Test Methods,
purchaser and the supplier when usingTest Method D 3786 for
General. General.
acceptance testing, the statistical bias, if any, between the
Current edition approved Aug. 15, 2006. Published October 2006. Originally
approved in 1979. Last previous edition approved in 2001 as D 3786–01.
laboratory of the purchaser and the laboratory of the supplier
2
For referenced ASTM standards, visit the ASTM website, 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 Available from Technical Association of the Pulp and Paper Industry, 1
the ASTM website. Dunwoody Park, Atlanta, GA 30341.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D3786–06
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should be determined with comparison based on testing speci- 6.1.5 Aluminum Foil For Calibration of Tester —Pieces of
mens randomly drawn from one sample of material of the type pretested aluminum sheet having a known bursting strength in
being evaluated. therangeof70to790kPa(10to115psi)areusedforchecking
the overall performance of the tester
NOTE 2—The kind of load transfer and stretch that occur when knitted
6.1.6 Pressure Recording.
goods and nonwoven fabrics are worn are prevented by clamping them as
6.1.6.1 Hydraulic Instruments—Means shall be provided at
described in this method.
the instant of rupture of the specimen for stopping any further
6. Apparatus
...

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