Here’s the HD2010 copper pills thread if you need it: Sold out: $20 HD2010 & $15 Convoy C8 copper pills
As for isolation, I’ve tried liquid white-out to cover up the parts of the driver that was causing problems with the body, and it seemed to work. Nail polish or white-out on the PCB’s +/- contacts though, may not work because the reflector has a lot of friction and pressure against it.