Apparently dedicated to the area of the Dead, it was used for mummies (Connan, 2005) or to darken sarcofagi, Osiris or Anubis statues and chests for canopic jars in a funerary context.
... Thus, for instance, bitumen could not be identified as constituent of the mixture although it has widely been used for making embalming substances. Apparently dedicated to the area of the Dead, it was used for mummies (Connan, 2005) or to darken sarcofagi, Osiris or Anubis statues and chests for canopic jars in a funerary context. Use in a ritual context was also reported (jar inventory n 181 from furniture of Tutankhamen's tomb,Reeves, 2003). ...