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Old 12-14-07, 10:15 PM   #1
MudPie
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Slime Tire Liner - bad results

I installed a Slime brand tire liner onto my mountain bike and it seems the edge of the liner actually cut into the tube, causing a small leak. The liners were used for about five rides, each ride about 2.5 hours long. The specifics:

Front: Panaracer Rampage, 2.35 (@40 psi)
Rear: Panaracer Fire SC XC Pro 2.125 (@ 40 psi)

After inspecting the tube, a sharp, distinct line could be traced around the tube at the edge of the tire liner. This line appears to also be a shallow cut in some spots. After submerging the tube in water, I discovered a small hole within this cut line. I assume the liner actually cut and wore this hole. It'd be too coincidental to get a thorn right along the cut line. I removed the other tube and found a similar line snaking around the tire. It seems like a matter of time before more weak spots would develop.

I've used Mr Tuffy tire liners in the past with decent results.

Does anyone have similar experiences with Slime tire liners? Or did I get my liners from a bad batch with sharp edges?
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Old 12-14-07, 10:20 PM   #2
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I'm using a slime liner in the 27 X 1 1/4 rear wheel of a Schwinn Continental -- it's my around the town beater. So far I've got about a thousand miles on that tire, and no flats. Did you get the correct size for your app and install it properly?
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Old 12-14-07, 10:44 PM   #3
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Co-worker had the same thing happen several times. He has since glued the liner in a few spots to the tire to keep it in place and were the liner overlaps he has covered it with some tape on the edge, personally I wouldn't use one in my wheels but he seems to fill the need.
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Old 12-15-07, 06:21 AM   #4
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I have had problems with the ends of tire liners (Mr. Tuffy) rubbing on the tire cords and causing them to weaken until they tore and I got a bulge in the tread, which means replacing the tire. I have not noticed problems with the tubes. It is a good idea to round and feather or chamfer the ends so there is less of an edge to irritate either the tube or the tire. I also cut about six inches of old inner tube and slit it lengthwise to make a sleeve I can slip over the tire liner where the two ends overlap to protect the tire cords from it. (This is on 27 x 1 1/4 inch tires and tubes.)
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Old 12-15-07, 12:54 PM   #5
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I have had problems with the ends of tire liners (Mr. Tuffy) rubbing on the tire cords and causing them to weaken until they tore and I got a bulge in the tread, which means replacing the tire. I have not noticed problems with the tubes.
I had the exact same experience with Mr. Tuffies. Bulged my new tires in short order. Don't use them and don't miss them.
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Old 01-14-09, 09:28 AM   #6
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Same problem here with the Slime.
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Old 01-14-09, 03:21 PM   #7
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I live in goathead country and found the slime tire liners to be just about useless. For those not familiar with the product, they are simply a dense, pliable plastic - I doubt that there's anything high-tech or exotic about them.

They get a thumbs-down from me.
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Old 01-14-09, 04:48 PM   #8
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Same problem here with the Slime.
I've had the same problem with the Slime liners. Rubbed through a tube in about 20 miles. The edges of the liner are very sharp. Perhaps buffing them with sand paper would take care of the problem.

I've used Tuffys for years and years, however. Very few problems with them. And, contrary to other reports here, I find them highly effective and useful. Not perfect but much better than Slime filled tubes or nothin'
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Old 01-14-09, 08:05 PM   #9
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I also had the same problem with a pair of new Slime liners. It was only on the back tire, and it took a few flats to figure out the problem. The corners of the liners were too sharp, so I re-cut them with a nail clipper and then smoothed them down with sandpaper. That solved the problem. These were on 700c tires/tubes. I sent a note to the Slime manufacturer about this. There was no response.
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Old 01-14-09, 11:02 PM   #10
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I'll chip in: Same problem; lasted abut 10 miles.
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Old 01-15-09, 06:48 AM   #11
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Same problem, I then tried talcum powder inside the tire, coating the tube and coating the liner..no further problems...
I think this old trick from the days of tube auto tires lets the tube move around inside the tire and not stick. If the liner and tube move around, the liner doesn't seem to stick to the tube and rub through....
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Old 01-15-09, 08:18 AM   #12
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I also had the same problem with a pair of new Slime liners. It was only on the back tire, and it took a few flats to figure out the problem. The corners of the liners were too sharp, so I re-cut them with a nail clipper and then smoothed them down with sandpaper. That solved the problem. These were on 700c tires/tubes. I sent a note to the Slime manufacturer about this. There was no response.
I tried the Slime liners about 10 years ago (just after they came out) so this is a long term problem. You shouldn't have to modify them
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Old 01-16-09, 03:05 PM   #13
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I've used the same two liners for 4 years (front tires of two sets) and that have been fine. One installed one a 2.1" Specialized S-Works Resolution tire at 40psi and another on a cheap commuter tire at 80psi. They actually were useful for the latter too.
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Old 01-16-09, 03:30 PM   #14
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I've used the same two liners for 4 years (front tires of two sets) and that have been fine. One installed one a 2.1" Specialized S-Works Resolution tire at 40psi and another on a cheap commuter tire at 80psi. They actually were useful for the latter too.
The Mr. Tuffy's don't wear out. I have one that's close to 20 years old and still going strong
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Old 08-08-09, 01:40 PM   #15
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Same problem -- Slime tire liners, can see the puncture right on the edge of the impression the liner leaves on the tube.

Will try the excellent suggestions herein.
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