Yep Yep Yep For me the OC703 was easier to find locally. Actually the insulation distributor said the at least for them, mineral wool is not used as much anymore. 703 or 705 is easier to work with and I think safer, not sure.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85