ISO 1421:2016
Rubber- or plastics-coated fabrics — Determination of tensile strength and elongation at break
ISO 1421:2016 specifies two methods for the determination of the tensile strength of fabrics coated with rubber or plastics.
- Method 1 ? the strip test method, which is a method for the determination of tensile strength and elongation at break.
- Method 2 ? the grab test method, which is a method for the determination of tensile strength only.
The methods apply to test pieces in equilibrium with specific standard atmospheres for testing and to wet test pieces. Both methods require the use of a constant rate of extension (CRE) tensile-testing machine.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and reagents
6 Atmosphere for conditioning and testing
6.1 For conditioning
6.2 For testing
7 Time-interval between manufacture and testing
8 Method 1: Strip test method
8.1 Sampling and preparation of test pieces
8.2 Procedure
8.2.1 Mounting the test piece in place
8.2.2 Operation
8.2.3 Slippage
8.2.4 Jaw breaks and the breaks outside the reference marks
8.2.5 Test on wet test pieces
8.3 Calculation and expression of results
8.4 Test report
9 Method 2: Grab test method
9.1 Sampling and preparation of test pieces
9.2 Procedure
9.2.1 Mounting the test piece in place
9.2.2 Operation
9.2.3 Slippage
9.2.4 Jaw breaks
9.2.5 Test on wet test pieces
9.3 Calculation and expression of results
9.4 Test report
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BS 3424-12:1996
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and reagents
6 Atmosphere for conditioning and testing
6.1 For conditioning
6.2 For testing
7 Time-interval between manufacture and testing
8 Method 1: Strip test method
8.1 Sampling and preparation of test pieces
8.2 Procedure
8.2.1 Mounting the test piece in place
8.2.2 Operation
8.2.3 Slippage
8.2.4 Jaw breaks and the breaks outside the reference marks
8.2.5 Test on wet test pieces
8.3 Calculation and expression of results
8.4 Test report
9 Method 2: Grab test method
9.1 Sampling and preparation of test pieces
9.2 Procedure
9.2.1 Mounting the test piece in place
9.2.2 Operation
9.2.3 Slippage
9.2.4 Jaw breaks
9.2.5 Test on wet test pieces
9.3 Calculation and expression of results
9.4 Test report