When selecting 'Engineering Database/Materials/Solids/Pre-Defined' only some materials are available.
This is probably due to the license level, running only a standard FloEFD license.
From the FloEFD Windows program group entry select the 'Customize Feature' tool. Every additional feature adds material to the Database.
After additional features and a restart of FloEFD the materials are there.
So this is perfectly normal if using a standard FloEFD license (with no additional modules and corresponding added functionality).
Notes and References
OS Version: 1064