Paper and board. Determination of fracture toughness. Constant rate of elongation method (1,7 mm/s) Ingestion-build-264231 The method is defined for

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Paper and board. Determination of fracture toughness. Constant rate of elongation method (1,7 mm/s) Ingestion-build-264231 The method is defined for1 Scope This Technical Specification describes a method for determining the fracture toughness of paper and board using a tensile testing machine operated with a constant rate of elongation. This Technical Specification also describes the determination of the fracture strength and fracture strain of a notched paper web with an assigned standard web geometry. This information is used to rank the fracture properties of paper materials. This Technical