BTW tri-flo contains hydrocarbons ok for o-rings and seals not ok for o-rings and seals that are compatible with brake fluid.
In my 25 years of using it, maybe once a year on each bike, over 6 different bikes, one with 100k miles, never had brake seals fail from it, sorry for all the commas.
Seriously, I think we can get too wound about the interactions of solvents, rubber, plastic, etc. The only time I had something seriously damaged from a solvent in all my life was the inner bits of a chainsaw, including the fuel pickup hose, totally disintegrated when my Father in Law left ethanol gas in the tank for 8 years.
My favorite is when people warn me about using WD40 on my motorcycle O-ring chains. "The lubrication is not good enough for that use" and "the solvents will eat the O-rings" are the two lines I am always dished. Yet I seem to manage to always get at least 25k miles out of my chains. Go figure.....