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Tape residue left on paintwork..

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Category: Modifications and Restorations
Forum Name: Restorations
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URL: http://www.guzziriders.org/forum_posts.asp?TID=11775
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Topic: Tape residue left on paintwork..
Posted By: italianmotor
Subject: Tape residue left on paintwork..
Date Posted: 14 Sep 2020 at 18:54
Anyone do any painting here? I have been painting a tank, and did the black stripe on the bottom of the tank today. I used 3M painter's tape the blue stuff, but it has (very unexpectedly and annoyingly) left tape residue/adhesive on the as yet un-lacquered paintwork. Anyone know the best way to remove this without damaging the paint? Paint was app.ied last week so not totally fresh. Cheers.



Replies:
Posted By: Brian UK
Date Posted: 14 Sep 2020 at 20:28
What sort of paint did you use? White spirit usually removes the adhesive, but obviously you don't want to risk also removing the paint.
But assuming it's not a white spirit based paint you should be OK.


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Brian.

Better 5 minutes late in this world than years early in the next.


Posted By: Dave P.
Date Posted: 14 Sep 2020 at 20:58
I believe lemon juice can provide the desired results but it must depend on the nature of the adhesive.

-------------
TO LIVE OUTSIDE THE LAW YOU MUST BE HONEST.

1971 V7 Special. 1972 850GT.
1970 T120 Bonnie. 2009 500 Bullet.


Posted By: Dave P.
Date Posted: 14 Sep 2020 at 21:00


There's also this stuff if you want to be less "homespun"

https://www.amazon.co.uk/Solv-Sticky-Stuff-Remover-100/dp/B00M36W1XS/ref=asc_df_B00M36W1XS/?tag=googshopuk-21&linkCode=df0&hvadid=310689154279&hvpos=&hvnetw=g&hvrand=3207885372026179441&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=1006672&hvtargid=pla-781170724997&psc=1" rel="nofollow - https://www.amazon.co.uk/Solv-Sticky-Stuff-Remover-100/dp/B00M36W1XS/ref=asc_df_B00M36W1XS/?tag=googshopuk-21&linkCode=df0&hvadid=310689154279&hvpos=&hvnetw=g&hvrand=3207885372026179441&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=1006672&hvtargid=pla-781170724997&psc=1

-------------
TO LIVE OUTSIDE THE LAW YOU MUST BE HONEST.

1971 V7 Special. 1972 850GT.
1970 T120 Bonnie. 2009 500 Bullet.


Posted By: italianmotor
Date Posted: 15 Sep 2020 at 08:27
According to Halfords it's an advanced acrylic based paint. If I can't get this off it may well have ruined the whole paint job, which would be extremely annoying. No doubt WD40 would do the job but would leave traces of silicone behind which I'm sure would mess up the rear coat.

Originally posted by Brian UK Brian UK wrote:

What sort of paint did you use? White spirit usually removes the adhesive, but obviously you don't want to risk also removing the paint.
But assuming it's not a white spirit based paint you should be OK.


Posted By: Brian UK
Date Posted: 15 Sep 2020 at 10:06
White spirit sould get it off without causing any problems.
But if you have some sticky to get off where it's relatively unseen, start there carefully.


-------------
Brian.

Better 5 minutes late in this world than years early in the next.


Posted By: iansoady
Date Posted: 15 Sep 2020 at 10:17
Was it genuine 3M? I've used that many times with no problems.

-------------
Ian
1952 Norton ES2
1986 Honda XBR500
1958-ish Greeves/Triumph in progress


Posted By: italianmotor
Date Posted: 15 Sep 2020 at 11:50
Yes, 3M tape. I'm actually wondering if in fact the tape has impressed on the paint and what I am seeing is not residue, but marks in the paint, created by the tape (made with crepe paper I assume) being pressed down. Surely a week is enough for paint to harden to mask up an area with 3M tape for just 45 minutes? Here's a pic...




Posted By: c13pep
Date Posted: 15 Sep 2020 at 12:07
Perhaps the paint has been applied too thickly and is still relatively soft as the surface looks a bit rough, maybe will `flatten` a bit when rubbed down. My son paints for me and he always uses `low tack` masking tape on top of fresh paint to avoid any bonding issues, but in your case it certainly looks as if there is an impression in the paint.

CHRIS 



-------------
you can`t have any fun in a straight line

Monza
Honda CB77 project



Posted By: italianmotor
Date Posted: 15 Sep 2020 at 12:20
Possibly, but the surface has only taken on that look since the tape went on, looked fine before. This is described as low tack tape.


Posted By: Brian UK
Date Posted: 15 Sep 2020 at 12:28
Does it feel tacky to the touch?

-------------
Brian.

Better 5 minutes late in this world than years early in the next.


Posted By: italianmotor
Date Posted: 15 Sep 2020 at 12:52
You know, it doesn't really. I think it's the paint has not hardened. But if I flat it back and add another coat or two, I still have to mask it up again - how long should I have to wait for it to try? I have been in contact with Halfords and am waiting for their opinion.


Posted By: Jerry atric
Date Posted: 15 Sep 2020 at 18:58
Definitely, methylated spirits is the way to go. I also used the blue stuff from Halfords to do the CB175 tank a while back. It left a few bits of sticky residue but meths got it off with no greasy residue of it own. Of course the paint needs to be hard.


Posted By: italianmotor
Date Posted: 15 Sep 2020 at 19:43
How long did you leave your paint to harden?


Posted By: Jerry atric
Date Posted: 16 Sep 2020 at 07:20
I was using Halfrauds rattle cans and left the main coat that I was masking, a couple of days before masking. In this weather, 24 hours should be plenty. I know photos don't always show the right thing but your paint looks like quite a thick coat. Sadly, the one thing I've learned is that the only way for amateurs like us to correct a paint problem is to go right back to the beginning.


Posted By: italianmotor
Date Posted: 16 Sep 2020 at 08:39
I'm going to flat it back first and see how it looks. I really won't be starting again..


Posted By: Jerry atric
Date Posted: 16 Sep 2020 at 14:23
Haha. You have my complete sympathy. Of course, as long as the paint has gone off well, flatting it will solve the problem. The start again remark was meant if it wasn't hard. Good luck.🙂


Posted By: -HJB-
Date Posted: 16 Sep 2020 at 16:47
+1 with careful flatting back with very fine wet and dry followed by a few good coats of lacquer. Thumbs Up


Posted By: Mike H
Date Posted: 17 Sep 2020 at 20:58
Just painted a new Bantam mainstand, needed touching up a bit afterwards as always where I missed bits, foolishly I did that with it lying on paper (it was hanging up on wire before) of course bits of paper have tore off and got stuck to it, now waiting for it to harden some more before I have to rub it down and spray over again, not as critical as a tank admittedly but self ass kicking nonetheless so I sympathise!



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"Chicken nuggets don't dance on a Tuesday."


Posted By: Brian UK
Date Posted: 17 Sep 2020 at 21:15
I've had more than my fair share of hiccups when painting.

-------------
Brian.

Better 5 minutes late in this world than years early in the next.


Posted By: italianmotor
Date Posted: 25 Sep 2020 at 11:34
I've left this tank now for at least week after applying the black stripes, 2 coats, and look what's happened? I had the tank hanging up for a few says, then had it sat on some cloth, and it's taken on the marks of the cloth. I know I'm no professional sprayer but this is ridiculous. I think this paint isn't fit for purpose?

I'll just flat it back and hope for the best. I assume not good to polish with anything before lacquer goes on?




Posted By: iansoady
Date Posted: 25 Sep 2020 at 11:54
I hate to say it but it sounds as though the paint just isn't suring properly. The only real solution is probably to strip it all off and start again.

I've had some real nightmares with incompatible paints and they only usually show up in the last stages. The last disaster was using halfords "petrol proof" lacquer over one-shot lining paint. Of course it all bubbled up. I later discovered after testing that the one-shot stood up OK to the odd splash of petrol.......


-------------
Ian
1952 Norton ES2
1986 Honda XBR500
1958-ish Greeves/Triumph in progress


Posted By: c13pep
Date Posted: 25 Sep 2020 at 11:59
As a last resort you could try `baking` the paint in front of an infra red heater on a very low setting, but I fear the original paint has reacted and thus may never properly harden.
Have to agree with Ian about starting again especially as it`s the petrol tank
Lacquering on top of that may just be a waste of timeOuch 

CHRIS 


-------------
you can`t have any fun in a straight line

Monza
Honda CB77 project



Posted By: italianmotor
Date Posted: 25 Sep 2020 at 12:08
I'm going to complain anyway, I've followed all their instructions and all their products, sprayed always in dry wetaher and I haven't done excessive coats, so will try to get some money back.


Posted By: italianmotor
Date Posted: 25 Sep 2020 at 12:13
I might try that. Not sure what you mean by paint reacting?

Originally posted by c13pep c13pep wrote:

As a last resort you could try `baking` the paint in front of an infra red heater on a very low setting, but I fear the original paint has reacted and thus may never properly harden.
Have to agree with Ian about starting again especially as it`s the petrol tank
Lacquering on top of that may just be a waste of timeOuch 

CHRIS 


Posted By: Ken-Guzzibear
Date Posted: 25 Sep 2020 at 12:29
Other than small parts i have stopped attempting to paint, when off earlier this year got a mudguard to bare metal, cleaned it off, proper primer, rubbed it down when the top coat went on ...it went crazed, never had it before so did not paint tank or side panels rubbed them right down, took mudguard back to bare metal, took it to Richard Bexon, I bought black acrylic paint from an e-bay supplier known to Richard, he then primed and painted the parts for a reasonable price. Yes I paid for the paint £45 .... BUT when rattle cans are £10 a pop and for some reason it often goes crazed or you get the micro bubbles or just dust it is not worth it. The paint in cans i got to do the mudguard, that did not work cost £35 .... plus time ... nope not worth it. 

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The Older i Get, The Better I Was


Posted By: c13pep
Date Posted: 25 Sep 2020 at 12:32
Paint will react to many things but usually not getting base absolutely clean is the main one.
 My son always starts with etching primer on any second-hand part I give him just to try and minimise any chance of a reaction with the base. 
On a recent Aprilia project we had seven attempts at getting a rear seat panel to accept the initial coating and we still didn`t know what was causing the problem when we finished. It was most likely something embedded in the plastic, but who knowsConfused and that was Halfords rattle cans which he tells me are very good

CHRIS




-------------
you can`t have any fun in a straight line

Monza
Honda CB77 project



Posted By: italianmotor
Date Posted: 25 Sep 2020 at 12:35
The paint hasn't reacted, it just has not dried as it should. My preparation was fine and thorough, and I also used etch primer.

Originally posted by c13pep c13pep wrote:

Paint will react to many things but usually not getting base absolutely clean is the main one.
 My son always starts with etching primer on any second-hand part I give him just to try and minimise any chance of a reaction with the base. 
On a recent Aprilia project we had seven attempts at getting a rear seat panel to accept the initial coating and we still didn`t know what was causing the problem when we finished. It was most likely something embedded in the plastic, but who knowsConfused and that was Halfords rattle cans which he tells me are very good

CHRIS




Posted By: italianmotor
Date Posted: 25 Sep 2020 at 12:36
Yes but I was being quoted 500-750 pounds locally to spray tank, mudguard, 2 side panels, seemed excessive to me.
Originally posted by Ken-Guzzibear Ken-Guzzibear wrote:

Other than small parts i have stopped attempting to paint, when off earlier this year got a mudguard to bare metal, cleaned it off, proper primer, rubbed it down when the top coat went on ...it went crazed, never had it before so did not paint tank or side panels rubbed them right down, took mudguard back to bare metal, took it to Richard Bexon, I bought black acrylic paint from an e-bay supplier known to Richard, he then primed and painted the parts for a reasonable price. Yes I paid for the paint £45 .... BUT when rattle cans are £10 a pop and for some reason it often goes crazed or you get the micro bubbles or just dust it is not worth it. The paint in cans i got to do the mudguard, that did not work cost £35 .... plus time ... nope not worth it. 



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