Direct Pull Strength (Tack Button):
A force is applied diametrically until the tack button separates from the tack or the fabric is torn. The force at separation is reported as the holding strength.
Peel Off Strength:
A force is applied diametrically until the upper component separates from the lower component or the fabric is torn. The force at separation is reported as the holding strength.
Direct Pull Strength (SNAPET?):
A force is applied diametrically until the prong ring separates from the socket or stud or the fabric is torn. The force at separation is reported as the holding strength.
Lateral Strength:
A force is applied diametrically until the hook or eye separates from the plate or the fabric is torn. The force at separation is reported as the holding strength.
Slippage Strength (SOFIX?):
A force is applied continuously until the snap part (injected) is broken.
Lateral Holding Strength (SOFIX?):
A force is applied continuously until the socket and stud separate from each other.
The force at unsnapping is reported as the holding strength.
