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Old 12-01-2019, 10:17 PM   #4
Nickj
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Join Date: Jun 2007
Location: Forest Of Dean
Bike: S2r
Posts: 3,187
Warm sulfuric acid works quite well with the slow cure, high strength epoxies which are what pretty much all the tank liners are.
Also worth considering are toluene, NMP (n-methly-pyrollidone) and MEK (methyl-ethyl-ketone) which are all fairly nasty chemicals and you want to do use them in a very well ventilated space.
Thermal shock also will work but you probably don't want to get the tank that hot and then quench it in cold water (usually needs a few cycles).
It will burn off but can need up to 400C and I've heard that you can use high temperature steam.
The tank will still need lining with something as the inevitable ethanol in fuel will cause water to accumulate in the base of the tank and eat through eventually.
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