Johan Bornman Posted June 5, 2012 Posted June 5, 2012 Paintstripper is easy and painless. Modern water-based strippers aren't that bad. You'll do the job in one hour. Blasting with stuff - soft or beads, will work, but why go to the expense? Some ultra-light aluminium frames were bead blasted as part of the structural process. The bead blasting gave it some surface tension which was supposed to help with frame fatigue. These frames would have their warrantee void if you repainted them. If you sand-blast you certainly remove that and, introduce stress risers. Paint strip is the way to go.
droo Posted June 5, 2012 Posted June 5, 2012 Get automotive paint stripper from Cape Paint & Panel. Evil stuff, but it works. The 2 part paint used on bike frames is pretty tough. Just remember to strip the decals off first - they're pretty resistant to solvents (you may have to strip off the clearcoat to do this). Wear gloves and work outside.
RexFuzzle Posted June 5, 2012 Posted June 5, 2012 Depending on a bunch of things you could technically do some shot peening to strip the paint and harden the frame at the same time...Not recommended though but would be an interesting experiment.
JTK Posted June 5, 2012 Posted June 5, 2012 gonna try the paintstripper route but dont hold that much hope for the nooks and crannies in the triangle.
STRADA Posted June 7, 2012 Posted June 7, 2012 I use a fine blastright aluminium oxide grit to blast frames, to prepare for painting. also sodium bicarbonate works well. Regards,
JTK Posted June 8, 2012 Posted June 8, 2012 maybe I will take some pics of the project for a new thread.
Big H* Posted June 9, 2012 Posted June 9, 2012 Make sure to prep the frame verrrrry well before powdercoating. Any powder on screw threads will mean quite a laborious process to get the threads wprking . Also bearing surfaces and saddle tube.
Neg Posted June 14, 2012 Posted June 14, 2012 If you take it to a powder coating place/ anodizing place, some of them Acid dip and it comes out very clean! will be a dull grey but when you repaint using an aluminium based primer, it will be cool!
JTK Posted June 15, 2012 Posted June 15, 2012 already busy with the stripping. taking a long time due to the cold. I see the RemoveAll works best between 20 and 30 degrees. Just not getting there in CPT atm. already on my 3rd day Will post some pics.
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