The screw-thumb test shows that it actually comes safely even at great pressure not Shard etc. by - it is firmly mistaken - hard to understand because it is so soft, almost fluffy. It probably protects even the hose.
A needle can however easily pierce through - extremely fine tips make it so already - but to me is something never encountered on the road.
I put the tape in a Schwalbe Marathon Plus - thus the eBike actually guaranteed not lie remains ...