When your A-1100 amino silane begins to get cloudy it will start losing its effectiveness. Once it starts getting cloudy, it's time to purchase some new material.
The A-1100 material is a corrosive material so dust, fibers, or any other airborne contaminant that enters into the solution will be dissolved and create a cloudy appearance.
You can still use it, but it won't have the same effectiveness as a new batch would and you risk having some bond failures.
We highly recommend replacing A-1100 once it gets cloudy.
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