Tensile Energy Absorption

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A measure of the capacity of paper to withstand a shock when subjected to sudden high tension. The tensile force applied to a paper is graphed against the percentage elongation of the paper as a result of that force. The mathematical determination of the area beneath the resulting curve is described as its tensile energy absorption, which provides an accurate gauge of toughness, an important consideration in paper used for bags (for example, how far and with what force could a full grocery bag be dropped without splitting open) and other packaging materials, as well as paper designed for web offset printing (what is the likelihood of a web break when a press starts up suddenly). (See also Tensile Breaking Strength.)