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ASTM D3787-16(2020)
Standard Test Method for Bursting Strength of Textiles´Constant-Rate-of-Traverse (CRT) Ball Burst Test
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STANDARD published on 1.7.2020
The information about the standard:
Designation standards: ASTM D3787-16(2020)
Publication date standards: 1.7.2020
SKU: NS-1001387
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM D3787-16(2020) :
Keywords:
bursting strength, knitted fabric, nonwoven fabric,, ICS Number Code 59.080.30 (Textile fabrics)
Additional information
| Significance and Use | ||||||||||||
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5.1 This test method for the determination of ball bursting strength of textiles is being used by the textile industry for the evaluation of a wide variety of fabrics. 5.2 Test results obtained using the procedures in Test Method D3787 have not been correlated with actual performance. Test Method D3787 is considered satisfactory for acceptance testing of commercial shipments of textiles fabrics for bursting strength since the method has been used extensively in the trade for acceptance testing. In cases of disagreement arising from differences in values reported by the purchaser and the seller when using Test Method D3787 for acceptance testing, the statistical bias, if any, between the laboratory of the purchaser and the laboratory of the seller should be determined with comparison based on testing specimens randomly drawn from one sample of material of the type being evaluated. Note 3: The kind of force transfer and strength that occur
when knitted goods are worn is prevented by clamping them as
directed in this test method.
5.2.1 If there are differences of practical significance between reported test results for two (or more) laboratories, comparative tests should be performed to determine if there is a statistical bias between them. The test samples used should be as homogeneous as possible, drawn from the material from which the disparate test results were obtained, and randomly assigned in equal numbers to the laboratories 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 the cause must be determined and corrected or future test results must be adjusted in consideration of known bias. |
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| 1. Scope | ||||||||||||
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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 either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. Note 1: For the measurement of bursting strength with a
hydraulic testing machine, refer to Test Method D3786.
Note 2: Constant Rate of Traverse (CRT) machines and Constant
Rate of Extension (CRE) machines have been shown to provide
different results. When using a CRE device, refer to Test Method
D6797.
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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| 2. Referenced Documents | ||||||||||||
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