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14-01-2012, 01:59 AM
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#1
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Registered User
Country: Ireland
Location: Dublin
Occupation: Boatbuilder
Boat make: Hydrostream V-king, 650SS OCR ,Ring 21, Ring 18, Phantom 18.
Engines: 300Hp Mercury 2.4, 130 Yamaha, Bridgeport EFI, XR6, Merc 200.
Cruising area: Malahide, Dublin
Join Date: May 2004
Location: Dublin
Posts: 1,803
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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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14-01-2012, 06:35 AM
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#2
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Registered User
Country: england
Location: the grim north
Occupation: robot
Cruising area: tyne
Join Date: Nov 2004
Location: the grim north
Posts: 915
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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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Speed costs weight so what do we cut off first
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14-01-2012, 07:59 AM
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#3
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BananaShark Member
Country: UK
Location: Salcombe South Devon
Occupation: Racer and builder
Interests: Winning races
Boat name: BananaShark
Boat make: BananaShark 34' Race
Engines: Twin Yanmar BY 260's
Join Date: Mar 2004
Location: Salcombe South Devon
Posts: 4,638
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Quote:
Originally Posted by sinkunit0
I once got told its the adhesive affects the gel coat not sure how true this is
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It does affect plastic crash helmets, not GRP!
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Cookee
British Champions! RIB Formula 1 2005
National Speed Record Holder at 90.15 (still)
www.bananasharkracing.com
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14-01-2012, 11:49 AM
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#4
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BAD HABIT
Country: FRANCE
Interests: speed on water/technics
Boat make: INVADER
Engines: MERC 250XS/SM 1.62
Cruising area: south Britany
Join Date: May 2007
Posts: 562
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3M products
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14-01-2012, 02:20 PM
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#5
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Registered User
Join Date: Dec 2011
Posts: 6
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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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14-01-2012, 09:29 PM
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#6
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Moose
Country: Jersey C I
Location: Jersey
Occupation: Thread stripper
Interests: Winding up Donkeys
Boat name: Venom
Boat make: 1990 Phantom(what else)21
Engines: Mariner 225 opti
Cruising area: Channel Islands/France
Join Date: Jul 2008
Location: Jersey
Posts: 111
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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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15-01-2012, 03:09 AM
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#7
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Registered User
Country: Ireland
Location: Dublin
Occupation: Boatbuilder
Boat make: Hydrostream V-king, 650SS OCR ,Ring 21, Ring 18, Phantom 18.
Engines: 300Hp Mercury 2.4, 130 Yamaha, Bridgeport EFI, XR6, Merc 200.
Cruising area: Malahide, Dublin
Join Date: May 2004
Location: Dublin
Posts: 1,803
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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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18-01-2012, 09:40 AM
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#8
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Registered User
Join Date: Sep 2011
Posts: 83
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lighter fuel for zippos,
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18-01-2012, 10:10 PM
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#9
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Too many projects.....
Country: UK
Location: Warsash
Occupation: Sunseeker Sales @ Swanwick
Interests: Making things go fast....
Boat name: Top Gun
Boat make: Sunseeker Hawk 27
Engines: 2x Volvo Penta 5.7 V8s
Cruising area: South Coast
Join Date: Sep 2007
Location: Warsash
Posts: 221
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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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19-01-2012, 08:14 AM
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#10
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Moose
Country: Jersey C I
Location: Jersey
Occupation: Thread stripper
Interests: Winding up Donkeys
Boat name: Venom
Boat make: 1990 Phantom(what else)21
Engines: Mariner 225 opti
Cruising area: Channel Islands/France
Join Date: Jul 2008
Location: Jersey
Posts: 111
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Quote:
Originally Posted by pugracer285
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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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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