It is not NaCl, corrosion might not be an issue. I would call it open circuit water cooling, this thing is just a solid state evaporator. Anyway, as sibling comment said, you don't want the moisture anywhere near your datacenter, and runtime of 400 minutes doesn't sound like production ready product. Maybe it could make sense for burst usage patterns, but standard water-cooling or connecting huge metal blocks seems to be simpler solution. This one could compete at best with liquid nitrogen.

Well my mobile phone hasn’t warmed up at all ever again after accidental salt water coming and it’s been years since the incident