I'm currently swapping in fresh ferrofluid on a set of KEF 104.2's, and have been reading more about this product than any man has the right to... Thought that I'd invite you to geek out too 
https://drive.google.com/file/d/1tmziueQx-US5MCBqGBrcZixnxIKzmPK5/view?usp=sharing
Enjoy!
Welcome to AC

As you seems to be a active company business I will move this topic to the Industry Introduction Circle.
Do you have a site or link?