Originally Posted by
Rapier
My experiance is that the powder for powder coating gets moisture in it, unless it is stored in an air tight, screw on top, container. It is similar to storing salt, if you have a loose fitting lid it will pull in moisture, that causes a rough coating when baked.
Once I got a large mouth storage container with a soft gasket and a screw on lid, then only opened it to add bullets and remove them, the problem went away. I replaced the old powder, but, you might be able to dry it by a low setting on an oven, back to "powder dry." On the 1911, the go to for many decades is the H&G 200, most molds for the bullet ID as a H&G style.