QIT stands for Quebec Iron and Titanium,
it owns an ilmemite mine in northeastern Quebec.
The ore is shipped to Tracy, Quebec where it
is processed to titanium dioxide slags, iron pigs,
steel billets, and steel auto parts.
This dust comes from the reduction kilns in
which the ore is separated into titanium dioxide
slag and iron.
The general formula of QIT Blue Dust is as follows:
It was 170 mesh sieved.
A theoritical substitution is as follows
for 1% of the stuff:
Red Iron Oxide 0.310
Magnesium carbonate 0.110
Custer Spar 0.110