ASTM D3787-2007 针织品的破裂强度用标准试验方法.横向恒速移动(CRT)球破裂试验

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                   【英文标准名称】:     Standard Test Method for Bursting Strength of Textiles-Constant-Rate-of-Traverse (CRT) Ball Burst Test            【原文标准名称】:     针织品的破裂强度用标准试验方法.横向恒速移动(CRT)球破裂试验            【标准号】:     ASTM D3787-2007            【标准状态】:     现行            【国别】:                 【发布日期】:     2007    【实施或试行日期】: 【发布单位】: 美国材料与试验协会(US-ASTM)【起草单位】: D13.59【标准类型】: (Test Method)【标准水平】: ()【中文主题词】: 破裂强度;布;针织服装;测试;纺织测试;纺织物【英文主题词】: bursting strength; knitted fabric; nonwoven fabric【摘要】: 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. Test results obtained using the procedures in Test Method D 3787 have not been correlated with actual performance. Test Method D 3787 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 D 3787 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 28212;The kind 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.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 1For the measurement of bursting strength with a hydraulic testing machine, refer to Test Method D 3786.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 use.【中国标准分类号】: W63【国际标准分类号】: 59_080_30【页数】: 3P.;A4【正文语种】:           
         

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