# tensile strength

Tensile strength relates to the stress and strain to which paper is subjected in its many end use applications. It is defined as the maximum force required to break a paper strip of a given width under prescribed laboratory conditions. Tensile strength is usually defined as pounds-per-inch width of the testing strip, or as kilograms per 15-millimeter width. Tensile strength is measured in both the grain and cross-grain directions, however, it is always greater in the grain direction.

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