You will find this video of interest, Walter does a great job of testing various powders with powder coated as well as Hi Tek coated bullets. You can see the basic wrap up video of the whole experiment here https://rumble.com/v1zieig-smokeless-powder-vs-powder-coat-2022-update.html

Here is a cheat sheep of the final results of the powders that reacted with powder coated bullets.

[Linked Image from i.imgur.com]

Artisan in Lead, bullets and powder