Are the coated projectiles safe to run in a sealed suppressor?

[88Mustang]

My understanding that running cast bullets are verboten, does the coating mitigate the effects of leading up?
Such as these:

 

[GymB]

I run coated through my cans, but mine aren’t sealed. Can’t say that I get noticeably more or less buildup vs plated bullets, this with 9mm and 38spcl.

 

[88Mustang]

I run coated through my cans, but mine aren’t sealed. Can’t say that I get noticeably more or less buildup vs plated bullets, this with 9mm and 38spcl.

I wanted a member to confirm,thanks for info,