| http://www.w3.org/ns/prov#value | - The thickness of the sheet-like structure produced in step iii) is preferably from 10 to 4000 ??m, more preferably from 15 to 3500 ??m, in particular from 20 to 3000 ??m, particularly preferably from 30 to 1500 ??m and very particularly preferably from 50 to 1200 ??m.
|
