Author Topic: TANK LINER REMOVAL  (Read 4036 times)

Offline K2-K6

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Re: TANK LINER REMOVAL
« Reply #15 on: March 04, 2019, 07:37:06 PM »
Just don't let it, or its vapour get on yer Ball's.
Or you will be in a World of Pain.
Believe me!

Aftershave or deep heat apparently are just as risky for that part of your anatomy.

Funny where these threads lead to isn't it ;D

Offline Arch stanton

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Re: TANK LINER REMOVAL
« Reply #16 on: March 04, 2019, 08:05:07 PM »
I once got some resin on my glasses. So I got a rag soaked in MEK to clean them. However. I didn't realise that a loose end of the rag was hanging down my front. Until I felt a warming sensation. The all hell broke loose!
I have extensive experience of working with MEK, Acetone etc. But I learnt from that mistake quite soon.

Offline K2-K6

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Re: TANK LINER REMOVAL
« Reply #17 on: March 04, 2019, 08:14:15 PM »
I wasn't going to ask, what sort of Catholic activities you were involved in to find that out  ;D ;D ;D

A friend was trying to syphon some coolant out of his engine to check anti-freeze concentration,  mis-judged it, and in a reflex action swallowed a load of it.
Went to a+e and they stomach pumped him. They couldn't stop laughing though as he is a policeman  :D

Offline paul G

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Re: TANK LINER REMOVAL
« Reply #18 on: March 06, 2019, 08:36:44 AM »
Well see below some pieces of the old loose liner.
I have bought the plastic pipe weld as recommended which is full of MEK and it has been soaking in it overnight.
Will let you know what happens later fingers crossed.







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Offline Moorey

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Re: TANK LINER REMOVAL
« Reply #19 on: March 06, 2019, 09:40:36 AM »
That's a can of the solvent glue isn't it, and what you required was the MEK solvent pipe cleaner  to remove the liner. Don't put that in your tank. Just buy a bottle of MEK then you know you have what you want.
« Last Edit: March 06, 2019, 09:44:35 AM by moorey »

Offline steff750

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Re: TANK LINER REMOVAL
« Reply #20 on: March 06, 2019, 10:00:28 AM »
hi that tank liner looks a lot like petseal it was used a lot years ago and before they put ethanol in the petrol if not removed it will only keep breaking down so good luck with that  ;)

Offline JamesH

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Re: TANK LINER REMOVAL
« Reply #21 on: March 06, 2019, 11:39:59 AM »

Offline paul G

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Re: TANK LINER REMOVAL
« Reply #22 on: March 06, 2019, 11:40:11 AM »
That's a can of the solvent glue isn't it, and what you required was the MEK solvent pipe cleaner  to remove the liner. Don't put that in your tank. Just buy a bottle of MEK then you know you have what you want.

Moorey

It isn't going in the tank this product is MEK but used to glue plastic pipes together.
It is being used to see if it has any effect on the liner before I lash out £30 on MEK as I did with the Acetone  :( :(
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Offline paul G

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Re: TANK LINER REMOVAL
« Reply #23 on: March 06, 2019, 11:46:56 AM »
Just get some of this - don't stick the PVC pipe glue in your tank or you'll be knackered..

https://www.ebay.co.uk/itm/SHL-1-Litre-1000ml-M-E-K-MEK-99-9-CHILD-PROOF-CAP/391314130022?hash=item5b1c23c466:g:wo0AAOSwldRZ7TqR&frcectupt=true

Thanks James as above I wasn't putting that in the tank just a test to see if the MEK works as the Acetone didn't.
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Offline Moorey

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Re: TANK LINER REMOVAL
« Reply #24 on: March 06, 2019, 12:44:27 PM »
That's a can of the solvent glue isn't it, and what you required was the MEK solvent pipe cleaner  to remove the liner. Don't put that in your tank. Just buy a bottle of MEK then you know you have what you want.

Moorey

It isn't going in the tank this product is MEK but used to glue plastic pipes together.
It is being used to see if it has any effect on the liner before I lash out £30 on MEK as I did with the Acetone  :( :(

I have never known pure MEK to be used as pipe glue. Pipe glue contains MEK as a ingredient. Is its consistency just like pouring thinners, that's what MEK is like. Just want you to get the right stuff as in James's link.

Offline K2-K6

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Re: TANK LINER REMOVAL
« Reply #25 on: March 06, 2019, 01:26:51 PM »
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  :)

Offline paul G

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Re: TANK LINER REMOVAL
« Reply #26 on: March 08, 2019, 09:58:27 AM »
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 >:( >:( >:(

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Offline Nurse Julie

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Re: TANK LINER REMOVAL
« Reply #27 on: March 08, 2019, 10:14:28 AM »
Buy a new tank Paul....you know it makes sense  ;)
LINK TO MY EBAY PAGE. As many of you know already, I give 10% discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new

Offline paul G

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Re: TANK LINER REMOVAL
« Reply #28 on: March 08, 2019, 10:23:12 AM »
Looks like i'm going to have too  >:( >:(
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Offline K2-K6

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Re: TANK LINER REMOVAL
« Reply #29 on: March 08, 2019, 10:49:06 AM »
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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