SOHC.co.uk Forums > CB750

TANK LINER REMOVAL

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K2-K6:
You'll see soon enough if the glue has any effect on the liner,  so at least it'll show if mek is any use.

We used both solvent and mek based glue on chemical pipework in factories.  As we had fairly hefty static loading from large header supply tanks, we'd routinely clean to prepare glued junctions etc by wiping with straight mek,  then apply the cement for final assembly to ensure long term joint integrity.  Some of the control valves were assembled using silicone lubrication on seals which if left present caused the joints to default.
Also straight mek used to dilute the cement if left open too long and went too sticky.

Acetone I think, will dissolve resin based materials prior to catalysed hardening, as for example brush cleaning in fibre glass workplaces. Once set though,  it's much harder to change its status.

The pipe cement will glue some of the bike plastics.  Just rub a test patch on the back of a cracked side panel to see if it's receptive to mek base.
You can also reinforce the back side with cotton scrim and resin or epoxy to support a cracked area. For cotton scrim you can use old well washed thin T-shirt material  :)

paul G:
Well update on the liner removal or NOT.
Bought some neat MEK as below and had parts of the liner sat in it overnight.
Not a bloody thing happened, sure this stuff whatever it is would survive a nuclear blast >:( >:( >:(

Nurse Julie:
Buy a new tank Paul....you know it makes sense  ;)

paul G:
Looks like i'm going to have too  >:( >:(

K2-K6:
It's looking like it.

Try searching "dissolving polyester resin" as it discusses this sort of thing. The commonly suggested types you've already been through,  it's very resistant to most.

Battery acid if you have any could be tried on sample.

Seems acetic used at 190dgrees may be possible, it all gets much more serious unless you routinely handle this stuff though.

What about a commercial acid dripper that do car body etc? As a line of enquiry.

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