ISO 12625-4:2022
Tissue paper and tissue products — Part 4: Determination of tensile strength, stretch at maximum force and tensile energy absorption
This document specifies a test method for the determination of the tensile strength, stretch at maximum force and tensile energy absorption of tissue paper and tissue products. It uses a tensile-testing apparatus operating with a constant rate of elongation.
It also specifies the method of calculating the tensile index and the tensile energy absorption index.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Tensile-testing apparatus
5.1.1 General
5.1.2 Means for measuring the area of the force-elongation curve
5.1.3 Clamps
5.2 Cutting device
6 Conditioning
7 Preparation of test pieces
7.1 General
7.2 Dimensions
7.3 Number of test pieces
8 Procedure
9 Calculation
9.1 General
9.2 Tensile strength
9.3 Tensile index
9.4 Stretch at maximum force
9.5 Tensile energy absorption
9.6 Tensile energy absorption index
10 Test report
Annex A (informative) Precision
Annex B (informative) Tensile modulus determination
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Tensile-testing apparatus
5.1.1 General
5.1.2 Means for measuring the area of the force-elongation curve
5.1.3 Clamps
5.2 Cutting device
6 Conditioning
7 Preparation of test pieces
7.1 General
7.2 Dimensions
7.3 Number of test pieces
8 Procedure
9 Calculation
9.1 General
9.2 Tensile strength
9.3 Tensile index
9.4 Stretch at maximum force
9.5 Tensile energy absorption
9.6 Tensile energy absorption index
10 Test report
Annex A (informative) Precision
Annex B (informative) Tensile modulus determination
Bibliography