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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 12-07-05, 10:56 AM   #1
Grimlach
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Solvent Solution

I'm just starting off with a set of tubulars.
I had to replace one of them recently and found an exceptional amount of rimcement residue and even some old leftover rubber in the rim from the old tubular.
I went at the leftover rimcement with some Xylene- which is a solvent similar to Paint thinner with minimal sucess.
Does anyone have any advice as to what the best solvent is for removing old rimcement?

Sticky Fingers.
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Old 12-08-05, 02:55 PM   #2
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Acetone does it. I think you can get thsi at yr local chemists. You don't need to remove every last bit of the old cement - just any big blobs that will make the new tub lumpy if left on there.

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Old 12-08-05, 03:29 PM   #3
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xylene should in theory work better than acetone... if you can soak it in the xylene that should help...after that i think that a little elbow grease should do the trick
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Old 12-08-05, 03:33 PM   #4
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I got acetone from a LHS and used that along with one of those plastic tire levers to rub off the residue. worked good.
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Old 12-08-05, 03:54 PM   #5
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Quote:
Originally Posted by lbthomps
xylene should in theory work better than acetone... if you can soak it in the xylene that should help...after that i think that a little elbow grease should do the trick
Depends on the adhesive... Xylene should also be used with plenty of ventilation. That's the stuff in glue that people huff. It can also ruin clothes and shoes depending on material.
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Old 12-08-05, 04:13 PM   #6
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ya it does depend on the adhesive but most commercial adhesive removers have xylene of some sort of xylene deriative in them.....and xylene is a carcinogen as well
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Old 12-08-05, 04:35 PM   #7
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acetone is pretty nasty stuff too. home depot has it. it'll be in the paint section.
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Old 12-08-05, 04:41 PM   #8
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Quote:
Originally Posted by potus
acetone is pretty nasty stuff too. home depot has it. it'll be in the paint section.
So nasty you put it on your fingernails. I don't think it is a recognized carcinogen like the aforementioned xylene.
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Old 12-08-05, 05:20 PM   #9
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acetone actually is classified as a carcinogen if you look at the msds for it
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Old 12-08-05, 07:36 PM   #10
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hey nothing is bad as the glue he's gonna have to put on those rims later.
tried that soyo glue with Ceya and ELC...dude we were so high
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Old 12-09-05, 12:03 AM   #11
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what do u mean we ? not me....lol

S/F,
CEYA!

Last edited by Ceya; 12-09-05 at 12:10 AM.
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Old 12-09-05, 12:18 AM   #12
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Way too much chemistry smarts here for a bike forum. MSDS? Come on people...
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Old 12-09-05, 08:39 AM   #13
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I have really good luck with Goo Gone or Goof Off....They are citrus based....don't stink and get ya all light headed. If you use acetone I would recommend rubber gloves.
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Old 12-09-05, 11:42 AM   #14
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acetone in nail-varnish remover is diluted with water and stuff. in its pure form it's pretty nasty stuff.

if acetone doesn't work you could try sanding it off.

fsnl
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Old 12-09-05, 02:40 PM   #15
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I'll have to try acetone- I'm still pretty lit from that soyo rimcement and xylene cocktail from earlier.- thanks for the tips - Grim
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Old 12-09-05, 04:21 PM   #16
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MSDS this!

Acetone

Synonyms: dimethyl ketone, methyl ketone, 2-propanone, dimethylketal,
pyroacetic acid

Flash point: -18 C
Explosion limits: 2.6% - 13.0%
Autoignition temperature: 538 C

Stability

Stable. Incompatible with halogen acids and halogen compounds, strong bases,
strong oxidizing agents, caustics, amines and ammonia, chlorine and chlorine
compounds, strong acids, nitrosyl compounds. Highly flammable. Readily forms
explosive mixtures with air.

Toxicology

Harmful by inhalation, ingestion or skin absorption. Irritant. Liquid may
cause permanent eye damage (corneal clouding). Contact with skin may cause
defatting, leading to irritation. Long-term exposure may cause liver damage.
Typical TLV 750 ppm.
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Old 12-09-05, 06:22 PM   #17
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i don't use anything. I just leave it the way it is.


S/F,
CEYA!
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Old 12-09-05, 11:12 PM   #18
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Quote:
Originally Posted by Grimlach
I'll have to try acetone- I'm still pretty lit from that soyo rimcement and xylene cocktail from earlier.- thanks for the tips - Grim

ha! be sure to sniff it every 3 minutes 'til you're sure it's setting right!
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Old 12-10-05, 08:51 AM   #19
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from personal experience: Forget Acetone and Lacquer thinner or the Citrus stuff, unless you want to spend a lot of time scrubbing. The bomb is any paint or mastic remover in gel form from your local hardware store or the big evil HD or Lwes stores. Just brush on, wait 5-10 min and scrap will metal butter knife, reapply as required. takes it down to the metal in at most 2 applications, do a whole wheel in 45 mins. The fumes are almost non-existant. a $5 can will do more wheels than you possibly need.
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Old 12-18-05, 11:19 AM   #20
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pooper,
do you happen to remember any brand names for the gel? My local HD has terrible stocking practices...
Thanks
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