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Anyone know much about it ? It is the stuff used to seal between or just gap fill between panel junctions - and the sunroof gutter of the Vortex

By now it is quite brittle and will break off in chunks revealing fresh clean mild steel panel - reminds me of house painters gap filler.
I have found a post elsewhere describing removal by 1500C heat gun. I am wondering if it needs that, or will a chemical approach work - some sort of solvent ?
Any knowledge imparted is appreciated

I have a near rust free halo to remove from a wreck, and believe it is only spot welded at the sides, the rest of it bonded ??

I think it's just seam sealer. Dunno much about it myself, but I do know modern cars rely more and more on bonding agents and seam sealers for certain panels...it's going to make restoring them alot harder!

I would have thought that the obvious replacement for this white sealant is white sikaflex!

Cheers

Bennie

My vote is on heat gun, you dont need 1500 degrees though just a home handyman special. All i ever use is a wire cup brush on a four inch grinder but wearing long sleeves and decent gloves.

thanks, not yet to replace the gunk, and access to this stuff is nil as it is a bonding goo between the skins, so need to be ready and have my spot welds drilled out - hopefully all of them, then start on the heat release trick.

Shoulda bought a PDR glue cutter whale tail tool - be handy here. An old kitchen knife reshaped may work ....