bursting strength

bursting strength
: the capacity of a material (as a paper or textile) or object (as a metal pipe) to maintain in continuity when subjected to pressure; broadly : the pressure often expressed in pounds per square inch required to rupture such a material or object under rigidly controlled conditions

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1. the capacity of a thing or substance to resist change when under pressure.
2. the pressure required to break down the resistance of a substance.

Useful english dictionary. 2012.