Formulation
MMAD, µm
GSD
a
Mass % <10 µm
Mass % <5 µm
UnmilledBtk
49
1.6
<5%
<5%
Milled Btk
18
1.5
12%
<5%
a
GSD–geometric standard deviation
Table 1:
Average Particle Size Distribution of Pre- and Post-milled Btk powder.
