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BS EN ISO 9073-18:2023:2024 Edition

BS EN ISO 9073-18:2023:2024 Edition

$102.76

Nonwovens. Test methods – Determination of tensile strength and elongation at break using the grab tensile test

Published By Publication Date Number of Pages
BSI 2024 22
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This document specifies a test method for the determination of the breaking force of nonwovens using a grab method in conditioned or wet state. This test method is not applicable to materials which have a high percentage of stretch. Comparing test results from tensile testing machines operating on different principles is not applicable. This document specifies methods using constant rate of specimen extension (CRE) tensile testers. Constant-rate-of-loading (CRL) instruments is covered, for information, in ISO 2062:2009, Annex A, in recognition of the fact that these instruments are still in use and can be used by agreement.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Principle
5 Reagents and materials
6 Apparatus
12 7 Sampling
7.1 Lot sampling
13 7.2 Laboratory sample
7.3 Test specimens
8 Conditioning
14 9 Preparation of test specimens
9.1 General
9.2 Dimensions
9.3 Marking on the test specimen
9.4 Wet test specimens
10 Preparation, calibration and verification of apparatus
10.1 Tensile testing machine
15 10.2 Clamping system
10.3 Verification of the total operating system of the apparatus
11 Procedure
11.1 Gauge length
16 11.2 Rate of extension
11.3 Mounting of test specimens
11.4 Operation
11.4.1 General
11.4.2 Slippage
11.4.3 Jaw breaks
17 12 Calculation
12.1 Breaking force
12.2 Apparent elongation
13 Expression of results
14 Precision and bias
15 Test report
19 Annex A (informative) Possible causes of low precision when grab strength testing
20 Bibliography

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BS EN ISO 9073-18:2023
$102.76