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Old 14 July 2012, 21:53   #1
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Glue removal

Anyone have a good way of removing urethane glue off of PVC fabric and black rubber transom mounts? I have MEK, Tolulene, Laque thinner, Acetone, Isopropal alcohol, various wire brushes and 80 grit sand paper. I just don't know what I should and/or shouldn't do and I don't want to make a career out of glue removal.
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Old 14 July 2012, 23:10   #2
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For fresh glue, solvent works OK. I use MEK, but that's on hypalon. Not sure what to use on PVC

For old stuff, I use a Dremel tool with a flap wheel and very light pressure. You can also use a sanding drum, but it doesn't conform to odd shapes as well.

For urethane based glues that are soft, use a medium speed that creates a dust like gum eraser rollings. Too slow and you won't get anywhere, too fast and you melt the stuff back together.

Luck;

jky
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Old 15 July 2012, 11:29   #3
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Solvent, heat and abrasion are the basics. Really old glue is usually pretty easy to clean off as it is dried out, thin and crumbly. My boat had some really bad repairs attempted on it and glue was layered on heavily. To get this off I used abrasive wheels for dremel tools. A little less aggressive than sanding wheels or flaps. Made it easier to control in tight corners and in seams that weren't separated fully. Thicker deposits may not crumb off like an eraser like JKY said. The glue tends to advance in a line as the wheel works on it. Depending on what you are working on these abrasive wheels might be another tool in your bag of tricks.
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Old 15 July 2012, 22:11   #4
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Abrasive wheel? Can you describe this tool? Is it a solid stone type attachment? I am having the most trouble with the old glue on my black rubber transom mounts. It is hard to tell when I am through the glue and into the black rubber. Is it a big deal if it remove some of the black rubber material?
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Old 16 July 2012, 01:41   #5
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Is it a big deal if it remove some of the black rubber material?
YES!

You need to use chemical gloves in a well ventilated area and with lots of Acetone and a gentle, as in grey scuffy pad, remove the glue. It is very time consuming and will wear your fingers out, but it is the gentlest way to do it.

MEK is the prewipe prep before gluing. Better find a gallon of MEK while you can. Check with TAP Plastics or some paint stores for it, as it has been banned.
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Old 16 July 2012, 02:01   #6
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Old 16 July 2012, 11:08   #7
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YES!
MEK is the prewipe prep before gluing. Better find a gallon of MEK while you can. Check with TAP Plastics or some paint stores for it, as it has been banned.
Technically incorrect. California hasn't banned it; WM Barr/Kleen Strip (the largest distributor to chain hardware stores) has stopped California distribution.

TAP plastics still carries gallons (and, I think, 5 gallons); or you can still order it online.

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Old 16 July 2012, 12:15   #8
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Technically incorrect. California hasn't banned it; WM Barr/Kleen Strip (the largest distributor to chain hardware stores) has stopped California distribution.

TAP plastics still carries gallons (and, I think, 5 gallons); or you can still order it online.

jky
Good to know. I got the last gallon that my local hardware store had back in January. I feel like I need some extra... "Just in case".
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Old 16 July 2012, 12:36   #9
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Technically incorrect. California hasn't banned it; WM Barr/Kleen Strip (the largest distributor to chain hardware stores) has stopped California distribution.

TAP plastics still carries gallons (and, I think, 5 gallons); or you can still order it online.

jky
That and paint stores can't buy it from anyone to sell in Cali, and they have three years to get rid of all current stock. Other states have done the same thing. I would call it banned in CA.

My friend makes MEK, so I have a supply source at least.
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Old 17 July 2012, 01:01   #10
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"Makes MEK"? Really?

I need your friends number, as soon as TAP quits selling.

Off topic: Did you see the BA_diving post about the Blue Whales?


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