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Old 07-03-2009, 23:57   #1
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How to clean Hypalon dinghy?

We bought an ancient Tinker Traveller for peanuts at a recent boat jumble and I am starting the renovation project...

The hypalon skin was originally yellow but has gone a grungy grey colour; it also has lots of stains. I have noticed that the yellow comes through if I use an abrasive on it (an accidental discovery during my sanding of all the wooden areas)!

Can I get the colour back using a light abrasive without damaging it? If not, then what is the best method of cleaning it?

Cheers
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Old 08-03-2009, 00:56   #2
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Liz,

Are you sure it was yellow and that it is Hypalon? (does not get sticky but PVC does and would turn yellow into gray that way) I ask that because I cleaned our Hypalon Caribe using on&off which has acid in it and isn't advised for use at all, but worked very well for us. It's years later now and it didn't hurt the Caribe at all. We applied it at full strength and used these scotchpad scrubbers with it. We did a square foot at a time with lots of rinsing before starting on the next piece. We even waxed it after that.

I would not try on&off on PVC.

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Nick.
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Old 08-03-2009, 01:57   #3
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Yep. 100% sure it is hypalon.

Thanks for your suggestion, it sounds very interesting. Now, just waiting for the bl@@dy rain to stop. Turkey; sun-filled days? Don't make me laugh!

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Old 09-03-2009, 07:20   #4
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I was thinking: it might well be painted with liquid-hypalon. That would be done to counter wear or to fill pinholes.

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Old 09-03-2009, 07:57   #5
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Liz,

I've used a mild abrasive cleaner on Hypalon with good results. Brands like Vex here in the Caribbean, or Barkeepers Friend in the States are good. I imagine the more abrasive types like Ajax or Comet would work well if you're careful in the scrubbing part.
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Old 09-03-2009, 11:34   #6
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cleaner

We live in France and buy a product called Carolin ultra degreasant with savon du marseys works wonders and doesnt hurt any surface it takes the black marks of the hull with just a wipe and realy cheap about $3 The product is on our blog theguerns.blogspot.com
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Old 09-03-2009, 12:40   #7
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west marine sells two different produts to clean dingys - one by seapower and one by starbrite - both work
yes i work part time for wm - but would not recommend something that i do not use my self - i use the seapower
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Old 09-03-2009, 13:09   #8
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I restored a 20yr old Achilles with products from Island Girl System - Cleaning and Restoration Products for your car, RV, Boat, Aircraft, shoes & more and it looked like new! I used their Neutral Clear and Silken Seal.
Andy
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Old 09-03-2009, 20:00   #9
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It does not sound like our Avon dingy is in as bad shape as yours, but we used soft scrub and soap with a scotch brite pad and it looks almost brand new, just yesterday we did this Be careful not to use anything like high pressure equipment, silicone & trichloroethylene based products!!!!
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Old 11-03-2009, 12:59   #10
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Thanks to all for their input. In case anyone's interested I had this from the horse's mouth today (MD of Henshaw Inflatables, makers of Tinkers and lots of other inflatable products):

"As far as cleaning the original Yellow Hypalon is concerned, the best thing to use is a kitchen sponge/scourer (well worn) and CIF with obviously a lot of elbow grease. You will find that with a lot of scrubbing the colour should be restored somewhat. Alternatively a good scrub down with Bostik Thinners if you are able to procure some locally would also be very effective."

I'm glad he said that because Cif + gentle scourer is exactly what I've used and the colour has shone through beautifully!

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Old 11-03-2009, 13:34   #11
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Sorry for (yet again) displaying my ignorance, but what is CIF?

Brad
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Old 11-03-2009, 14:47   #12
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CIF = soft scrub. Used to be called Jif before entering US market ;-)

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Old 11-03-2009, 15:41   #13
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I use 409 which seems to remove a lot of the surface crud which causes it to look a bit grungy. For tuff cleaning I use soft scrub usually worked in with a stiff brush or a sponge. The hypalon looks new when done.

I've used some of the commercial hypalon cleaning liquids which work well too as mentioned before.
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