POR15 has blocked the tank up

jerry · 04-11-2021, 08:16 PM

When I bought 750ss in 2009 I poured an epoxy tank liner into the tank as it was rusty , noiw when I try to start it up for winter duties after 7 months asleep its dead , on examination fuel filter blocked in tank but the electric fuel pump is ok,, reason for bloc kedtank is full of bits of delaminated 15 epoxy probably due to Ethanol which I can flush out , but 50% of it is still rock solid on the metal work

any ideas what I should do????????
'''

Nickj · 04-11-2021, 08:36 PM

Oxcalic acid wash out?

It should have stuck, perhaps poor prep or a naff batch?

jerry · 05-11-2021, 04:41 PM

he prep was decent the tank was cleaned out and then had bolts put in and turned dozens of times till it was shiny and then flushed of all debris , its lasted 11 years it was not POR15 but PETSEAL

So oxalic acid will release the rest ??? will that damage the paintwork ???

Nickj · 05-11-2021, 06:35 PM

Don't get it on the paint, won't do it any good.
Assuming your going to reseal then just making the remaining sealer a sound base for an ethanol resistant epoxy would do the job. Rattle the crap out of it with a bag of nuts or bolts.

TimM900 · 05-11-2021, 06:41 PM

This place sells a remover for Petseal. I haven't tried it myself though

https://www.tankcareproducts.co.uk/p...-remover-250ml

jerry · 06-11-2021, 01:44 PM

Quote:

Originally Posted by TimM900

This place sells a remover for Petseal. I haven't tried it myself though

https://www.tankcareproducts.co.uk/p...-remover-250ml

Yeah they seem the go to experts ,, Im ordering some of that Petsealremover stuff and some Ethanol resistant sealer

jerry · 12-11-2021, 10:18 AM

OK just ordered some cork bungs to seal the tank openings and a litre of Acetone so will soon be able to get the old liner off ,, and another fuel filter

Davy · 27-11-2021, 01:17 PM

I used pure acetone 3 litres to get try and get rid of the liner in my tank. Bloody useless.

Mr Gazza · 27-11-2021, 03:24 PM

Acetone doesn't effect cured epoxy and it doesn't have very much effect on uncured epoxy either, except for smearing it about and slowing the curing process a bit.

Use water on uncured epoxy preferably warm with a little soap in it.

Cemtex will get the liner off, either a little inside the tank or a thin layer on the outside.. The effect is the same. You may notice slight marks on the paintwork but nothing that will make much difference.

slob · 27-11-2021, 03:26 PM

Semtex will get the liner off !!??

I believe 'Petseal' is just fibreglass resin.

Mr Gazza · 27-11-2021, 03:43 PM

Semtex or Cemtex, not sure which is right but you won't need very much.

"Ordinary" fibreglass resin would be Polyester, which is also immune to Acetone once cured.

Nickj · 27-11-2021, 05:40 PM

Quote:

Originally Posted by Mr Gazza

Semtex or Cemtex, not sure which is right but you won't need very much.

"Ordinary" fibreglass resin would be Polyester, which is also immune to Acetone once cured.

But not ethanol

04-11-2021, 08:16 PM	#1
jerry Old Git Join Date: May 2006 Location: Cricklade Bike: Multiple Monsters Posts: 2,814	POR15 has blocked the tank up When I bought 750ss in 2009 I poured an epoxy tank liner into the tank as it was rusty , noiw when I try to start it up for winter duties after 7 months asleep its dead , on examination fuel filter blocked in tank but the electric fuel pump is ok,, reason for bloc kedtank is full of bits of delaminated 15 epoxy probably due to Ethanol which I can flush out , but 50% of it is still rock solid on the metal work any ideas what I should do???????? ''' __________________ MONSTERMAN

04-11-2021, 08:36 PM	#2
Nickj Too much time on my hands member Join Date: Jun 2007 Location: Forest Of Dean Bike: S2r Posts: 3,189	Oxcalic acid wash out? It should have stuck, perhaps poor prep or a naff batch? __________________ "The final measure of any rider's skill is the inverse ratio of his preferred Traveling Speed to the number of bad scars on his body." Song of the sausage creature

05-11-2021, 04:41 PM	#3
jerry Old Git Join Date: May 2006 Location: Cricklade Bike: Multiple Monsters Posts: 2,814	he prep was decent the tank was cleaned out and then had bolts put in and turned dozens of times till it was shiny and then flushed of all debris , its lasted 11 years it was not POR15 but PETSEAL So oxalic acid will release the rest ??? will that damage the paintwork ??? __________________ MONSTERMAN Last edited by jerry; 05-11-2021 at 04:44 PM..

05-11-2021, 06:35 PM	#4
Nickj Too much time on my hands member Join Date: Jun 2007 Location: Forest Of Dean Bike: S2r Posts: 3,189	Don't get it on the paint, won't do it any good. Assuming your going to reseal then just making the remaining sealer a sound base for an ethanol resistant epoxy would do the job. Rattle the crap out of it with a bag of nuts or bolts. __________________ "The final measure of any rider's skill is the inverse ratio of his preferred Traveling Speed to the number of bad scars on his body." Song of the sausage creature

12-11-2021, 10:18 AM	#7
jerry Old Git Join Date: May 2006 Location: Cricklade Bike: Multiple Monsters Posts: 2,814	OK just ordered some cork bungs to seal the tank openings and a litre of Acetone so will soon be able to get the old liner off ,, and another fuel filter __________________ MONSTERMAN

05-11-2021, 06:41 PM	#5
TimM900 Registered User Join Date: May 2016 Location: Norwich Bike: M900 Posts: 48	This place sells a remover for Petseal. I haven't tried it myself though https://www.tankcareproducts.co.uk/p...-remover-250ml

27-11-2021, 01:17 PM	#8
Davy Registered User Join Date: Aug 2007 Location: Derry Bike: M900 Posts: 358	I used pure acetone 3 litres to get try and get rid of the liner in my tank. Bloody useless. __________________ 1994 M900 Black

27-11-2021, 03:24 PM	#9
Mr Gazza Lord of the Rings Join Date: May 2013 Location: Norwich Bike: M900sie Posts: 5,803	Acetone doesn't effect cured epoxy and it doesn't have very much effect on uncured epoxy either, except for smearing it about and slowing the curing process a bit. Use water on uncured epoxy preferably warm with a little soap in it. Cemtex will get the liner off, either a little inside the tank or a thin layer on the outside.. The effect is the same. You may notice slight marks on the paintwork but nothing that will make much difference. __________________

27-11-2021, 03:26 PM	#10
slob . Join Date: Jul 2003 Location: East London Bike: Multiple Monsters Posts: 9,710	Semtex will get the liner off !!?? I believe 'Petseal' is just fibreglass resin.

27-11-2021, 03:43 PM	#11
Mr Gazza Lord of the Rings Join Date: May 2013 Location: Norwich Bike: M900sie Posts: 5,803	Semtex or Cemtex, not sure which is right but you won't need very much. "Ordinary" fibreglass resin would be Polyester, which is also immune to Acetone once cured. __________________