It's a multiviscosity grease. At temp it flows like an oil.
The CHRA has a larger flow area for coolant.
There is a local guy who had one. I haven't talked to him directly and this is 2nd hand info but, from what I'm told he ran the turbo for about 6 months and it ate the bearings. It was returned to Comp for analysis. I'm not sure what's happened since. I do know that he's since switched back to a traditional oil/coolant BB turbo.
IMHO, while a novel approach and a good US based company, I just don't trust the oil-less turbo designs. I'm far more confident in using tried and proven designs, which, IMO, Comp does quite well with their BB designs.
Don't "think outside the box".
There is no box.
Do it correct, or do it twice.