I've had similar results. Brake fluid and paints just don't mix.
From: McNulty, Bob <BMCNULTY@csuchico.edu>
To: 'firstname.lastname@example.org' <email@example.com>
Date: Sunday, March 18, 2001 7:13 PM
Subject: [oletrucks] POR 15 ;-(
>I wire brushed/drill type my front backing plates and then degreased with
>their degreaser. Painted both sides of the plates as well as the exterior
>of the master cylinder.
>I let everything cure/dry for about a week while I rebuilt the wheel
>cylinders inbeteween little league practices and hockey games and......
>Reinstalled everything except the brake lines. I figured I'd blow out any
>old fluid remaining in them before hooking up the newly rebuilt system.
>Hey duh..... the fluid sprayed all over the backing plates near the
>connection to the wheel cylinders. figuring I had POR 15 on them I just
>wiped it off with a shop towel. Well...... Now about a week later it
>looks like the brake fluid was some sort of super paint remover.
>The POR 15 bubbled/blistered everywhere it got splashed with brake fluid.
>The master cylinder looks fine except the cover which blistered all over
>Anyone else gotten brake fluid on POR 15 with similar results. Maybe I
>got a bum can or something. Anyway I'll be calling the POR people to find
>out what's what.
>I thought this stuff was chemically resistant.
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959