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Old 14-01-2012, 02:59 AM   #1
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Vinyl decals stained gel

I removed some decals from the deck of my boat and it seems like some of the colours have left a dark stain.

Its like the colour has bled out of the vinyl into the gel, either way it doesnt polish off or even sand out.

Anyone any tricks or ideas on this one?

Cheers
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Old 14-01-2012, 07:35 AM   #2
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I once got told its the adhesive affects the gel coat not sure how true this is
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Old 14-01-2012, 08:59 AM   #3
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Quote:
Originally Posted by sinkunit0 View Post
I once got told its the adhesive affects the gel coat not sure how true this is
It does affect plastic crash helmets, not GRP!
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Old 14-01-2012, 12:49 PM   #4
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3M products

Alan,
this one
http://solutions.3m.com/wps/portal/3...glCJ8M7XD5SGbl

or this one:
http://solutions.3m.com/wps/portal/3...glJNTBB9P03Lbl

this one is excellent too:
http://solutions.3msuomi.fi/wps/port...gl51KQKR50QZbl
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Old 14-01-2012, 03:20 PM   #5
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A decent long term vinyl won't leave a stain, I re did a name on a boat recently, I took the old name off after 7 years and after a small polish it was back to new, cheaper vinyl will not only fade but can stain too.

Best product I've used is Y-10

http://www.mailspeedmarine.com/boat-..._Stain_Remover

This is what my RIB looked like after 7 years sat in a river with no antifoul and then after a few long days with paint brush and a pot of Y10.....
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Old 14-01-2012, 10:29 PM   #6
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If the gel is white you could try Star Bright 'Zebra Muscle and Barnacle Remover', affectioately referred to as Barnacle Bill. Awesome stuff for cleaning off brown staining on hulls and topsides. Also rust marks and anode deposits on trim tabs etc. It's not cheap and not particularly nice to use but it requires no effort at all - spray or paint on, leave for a couple of minutes then wash off, and in most cases job done! HOWEVER do not use on coloured gel as it will bleach it.
Another one to try is see if your local chemist will sell you some Oxallic Acid crystals and make up a solution, paint on and wash off. Works the same as Barnacle Bill but takes longer.
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Old 15-01-2012, 04:09 AM   #7
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Cheers, for suggestions, but this seems to be a discolouration from the glue in the vinyl or the colours bleeding and not a metal or organic stain.

Ive tried every compound and even hit it with 320 grit and a polisher to see if it would move but no. Was kind of hoping for a miracle answer from someone so its either new stickers or a spray patch I think.

Y-10 is great stuff, its made locally, and it is oxalic acid in a jelly.

I tried star brite, boat bottom cleaner just in case, which incidentally is great on alloy wheels but didnt do anything for the sticker issue!
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Old 18-01-2012, 10:40 AM   #8
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lighter fuel for zippos,
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Old 18-01-2012, 11:10 PM   #9
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Brick acid does the same job and a s**t load cheaper than anything marine. (it's what all the pros use around her in the boatyards)

Put it in one of those garden sprayers used for treating plants and make sure you use eye protection/gloves....and remember to wash the sprayer out before you give it back to your mum and she sprays the roses!
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Old 19-01-2012, 09:14 AM   #10
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Quote:
Originally Posted by pugracer285 View Post
Brick acid does the same job and a s**t load cheaper than anything marine. (it's what all the pros use around her in the boatyards)

Put it in one of those garden sprayers used for treating plants and make sure you use eye protection/gloves....and remember to wash the sprayer out before you give it back to your mum and she sprays the roses!
Yes it may be a lot cheaper but it doesn't say 'for cleaning boats' etc. and in this litigeous world it's safer to use a product that is 'designed' to do the job - there was a case here in Jersey about 3 years ago when a boat cleaning company allegedly used brick cleaner on a boat, and when the owner complained of 'discolouration' of his bronze props a law suit ensued - the out-come was inconclusive, but it was made quite clear that if they had used a recognised cleaner, the case would probably never got off the ground. (The owner was/is a complete knob and thrives on complaining to avoid paying for anything which doesn't help). Just my angle on things!

On another point Barnacle Bill destroys garden sprayers in no time so beware! (don't know about brick cleaner though), and NEVER mix it with bleach or hyperclorite - things get a bit toxic!!

Moose.
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