I have the same issue with some brands of relatively cheap alox belts. From what I could tell, it's because of the humidity.
I just put them over new stiff belts when I'm storing them. The stiff belt inside helps and they're not as bad when I want to use them again.
I just put them over new stiff belts when I'm storing them. The stiff belt inside helps and they're not as bad when I want to use them again.