Originally Posted By: CatShooterOriginally Posted By: pcammo
"There was a time when blending and classifying powders was commonplace for me ...."
You said the forbidden "B" word!! Shame on you.
Now all the powder police will come out of the woodwork and hunt you down 
Me too did it.. and sometimes do it now. 
Yep, expecting that knock on my door at any time 
The funny thing is, the only time I have really ever spiked the pressure was when classifying some BL-C. I split the batch into three fractions (I have forgot what the screen sizes were). The middle fraction was MUCH hotter than the large or small fraction. 
