Sefer torah
From Halachipedia
The ink
the ink used to write a sefer torah may not have any other ingredients than what is needed to make the ink, so one may not put in the ink fly spray.[1]
the ink is made of oils, nuts and gums into a paste which will be the ink for the sefer torah
- ↑ rabbi yishmael once got a new student and asked his profession, when answered: sofer rabbi yishmael warned him to stop adding fly spray
The parchment (klaf)
the klaf parchment, is made of a kosher animals hair, processed and smoothed and refined into parchment.
