Significance and Use
5.1 This test method is designed to measure the bursting strength of leather by measuring the force required to force a spherical ended plunger through a piece of leather. The bursting load and extension will be generally proportional to the diameter of the plunger. This test method is suitable for development, control and service evaluation of the leather. There is good correlation between bursting strength and tensile strength. This test method may not apply when the conditions of the test employed differ widely from those specified in the test method.
1.1 This test method covers the determination of the bursting strength of leather by the ball method. It may be used to test a large variety of leathers and leather products. It is particularly applicable to light- and medium-weight leathers, such as shoe uppers and garments. This test method does not apply to wet blue.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that 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.
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