I will just show you the result of two peace’s of foil that I cut at once, looks strange.
There are small hairy strings that’s let grate located between the fingers.
Weird, what exactly are you cutting?
Looks like the air assist is blowing strands of plastic all over. Try a small test cut with no air assist.
Your are cutting some polystyrene or polycarbonate! This is for sure something not pmma.
Sorry my mother bought me this foil, so I did not know more about as already sayed.
I have accidentally cut two slides, if I cut only one slide, everything is normal.