Cycle Life

One of the terms to understand when talking about recloseable fasteners is "cycle life"

Simply it is the number of times you can fasten, and unfasten the fastener and it still had 50% of it's originally strength.

Typically Hook 88 and Loop 1000 has a cycle life of about 1000

TEXACRO(R) has a cycle life of around 500

3M Dual Lock 250 to 250 (or 170 to 400) is typically around 100.  Other combinations can vary

Low Profile Dual lock 250 times

Loop to Dual Lock of Hook 511 has a cycle life of around 5