TF version: 1.12-2.3.0.3/2.3.1.5
TE version: 1.12-5.3.0.4/5.3.1.6
TD version: 1.12-2.3.0.4/2.3.1.6
Forge version: 14.21.1.2396/2405

Dupe works like this:
U can uncraft 2 invar blend into 2 iron dust 1 nickel dust which gives u 3 invar blend when combined.
Blocks used: Centrifugal Separator.

Reported to CoFH Team.

Will close when new version is released.

now takes 3 invar