ISO 1924 Paper and Board Tensile Strength

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ISO 1924 specifies a method of measuring the tensile strength, stretch at break and tensile energy absorption of paper and board using a test instrument operating at a constant rate of elongation.

ISO 1924-2 Tensile Tests of Paper and Board

ISO 1924-2 specifies a method for measuring the tensile strength, strain at break and tensile energy absorption of paper and board, using a testing machine operating at a constant rate of elongation (20 mm/min). ISO 1924-2 also specifies equations for calculating the tensile index, the tensile energy absorption index and the modulus of elasticity. ISO 1924-2 applies to all papers and boards, including papers with a high strain at break if the results are within the capacity of the testing machine. It also applies to the components of corrugated board but not, however, to corrugated board itself.

ISO 1924-3 Tensile Tests of Paper and Board

ISO 1924-3 specifies a method for measuring the tensile strength, strain at break, tensile energy absorption and tensile stiffness, using a testing machine operating with a constant rate of elongation (100 mm/min). ISO 1924-3 also specifies equations for calculating the tensile index, the tensile energy absorption index, the tensile stiffness index and the modulus of elasticity.

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