I know many people have probably said this already, but I just wanted to make a quick post to show my appreciation for the hull seals! I had just killed my second Cyclops interceptor, and I my hull was at 9% and failing due to caustic damage. I thought I was a lost cause, but by some magic the Hull Seals (and Chem Seals) managed to get someone on-site and get me decontaminated and back to full health within about half an hour.
So just so you know — even if you think you're done for, it never hurts to ask!
Source: https://www.reddit.com/r/EliteDangerous/comments/w75bxw/shoutout_the_hull_seals_are_amazing/