Bursting Strength Testing for Knitted Fabrics
topic
Knitted fabric bursting strength is measured by the ball burst method per ISO 13938 or the diaphragm burst method per ISO 13938-2, applying increasing pressure to a circular fabric specimen until fabric rupture and measuring the burst pressure in kilopascals or the burst distension energy in joules, with minimum burst strength specifications set according to garment end-use application requirements.
Role
Verifies that knitted fabric structural integrity meets the minimum strength requirements for the intended garment application, with burst strength testing providing a single-value mechanical performance indicator relevant to the multi-directional stress experienced during garment wear that is more representative of knit fabric performance than the single-direction tensile testing used for woven fabric strength assessment.