From context I believe that was after the bomb mining changes and there are more numbers here. Armor discussion considers T5 in this post, offhand I’m not sure if impulse armor varies per level or just the standard block level:
I THINK this comment from jiivita indicates the same thing but breaks it down differently.
Also there is a spread listed in this old thread but the calcs it does are (I think) trying to find a way to do max bomb damage without breaking seams: