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See Chinese contents: GB/T 12914-2018 GB/T 12914-2018: Paper and board -- Determination of tensile properties -- Constant rate of elongation method (20mm/min)
This Standard stipulates the method of using test instrument with a constant rate of elongation (20 mm/min) to determine tensile strength, strain at break, breaking length and tensile energy absorption of paper and board. It also stipulates the calculation formulas of tensile index, tensile energy absorption and index and modulus of elasticity.
