Puncture to hold is a function of controlled stretch and tear at point a.
There are two sides to puncture to hold: it can be 2 measure the sharpness of a point in penetrating a known be, or the hold of a be to a known point.
Testing is therefore as important for medical devices to the as hypodermic and suturing needles, as for silicone - stopped vials, and sharps containers.
For High - force puncture testing is informs the sharps, and for protective clothing to the as gloves, stab vests, and fabrics for plus.
Missile puncture testing employs a radiused probe under load, applied more slowly, and is important for materials to the as foils and control-insistent pang, construction membranes or geotextiles.