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Thread: Removing road tar from frame

  1. #1
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    Default Removing road tar from frame

    Any suggestions on how to remove tar without damaging my paint job (or carbon frame!)?

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    Default Re: Removing road tar from frame

    Wd40.

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    Default Re: Removing road tar from frame

    Yep, WD40.

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    Default Re: Removing road tar from frame

    Gracias and happy holidays!

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    Post Re: Removing road tar from frame

    Applying a splash of olive oil to a soft cloth successfully removes lots of stubborn things stuck on bicycles.
    It is obviously a food many of us eat, so it will not harm bicycle paint finishes. WD-40 works great, too.

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    Default Re: Removing road tar from frame

    Quote Originally Posted by Blue Jays View Post
    Applying a splash of olive oil to a soft cloth successfully removes lots of stubborn things stuck on bicycles.
    It is obviously a food many of us eat, so it will not harm bicycle paint finishes. WD-40 works great, too.
    You should see what Coca-Cola will do to various things when left to sit... and a lot of people drink it! Just sayin'.

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    Default Re: Removing road tar from frame

    Quote Originally Posted by Drew View Post
    "...You should see what Coca-Cola will do to various things when left to sit... and a lot of people drink it! Just sayin'..."
    Sorry that my post about olive oil being helpful was disconcerting to you.

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    Default Re: Removing road tar from frame

    WD-40 is great, but biodiesel is better imho/atmo/ipso fatso.

    Better solvent, no odor, non-toxic, and biodegradable. Also cheap AF.
    Trod Harland, Physical Educator

    Not everything that is faced can be changed, but nothing can be changed until it is faced. — James Baldwin

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    Default Re: Removing road tar from frame

    isn't biodiesel mostly cooking oil?

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    Default Re: Removing road tar from frame

    Try mayonnaise. It's a traditional method here to get beach tar off of your legs after swimming at the beach.

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    Default Re: Removing road tar from frame

    Now that Todd-ski mentions it yeah BioDiesel is incredibly good for all sorts of denastification.

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    Default Re: Removing road tar from frame

    Quote Originally Posted by EricKeller View Post
    isn't biodiesel mostly cooking oil?
    It can be made from vegetable oil, rendered animal fats, or used cooking oil. It's processed with methanol and lye to isolate the mono-alkyl esters of long chain fatty acids. Glycerine is the other product. In my experience it's a much more powerful solvent than straight oil, even for goop like No. 6 fuel oil. Doesn't smell like petro-diesel and has better lubricity.


    How about pine tar? Anybody got the secret to getting crystallized pine tar off car paint?
    Last edited by thollandpe; 12-27-2019 at 03:22 PM.
    Trod Harland, Physical Educator

    Not everything that is faced can be changed, but nothing can be changed until it is faced. — James Baldwin

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    Default Re: Removing road tar from frame

    Quote Originally Posted by Too Tall View Post
    Now that Todd-ski mentions it yeah BioDiesel is incredibly good for all sorts of denastification.
    Here's a no-shitter, back in 2012, we did the green fleet initiative where our naval strike group ran certain ships, aircraft, helicopters, and diesels on biofuel. Navy gas turbine ships, aircraft, and certain diesels, all burn the same fuel. I ran a diesel generator fully loaded for four hours on biofuel then inspected it. I was so impressed that I stashed away some five gallon cans of the stuff to use as solvent. I fixed all kinds of equipment with that stuff. This wasn't the recycled vegetable oil stuff, this was an engineered plant based fuel very similar to kerosene.
    Weight Doper

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    Default Re: Removing road tar from frame

    Bill, coming from you that's gospel.

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    Default Re: Removing road tar from frame

    High % isopropyl alcohol works best for pine sap. Soak the corner of a rag with it and press down on the sap until it softens and releases. Try not to rub the paint as the alcohol will dull the clear with pressure. Reapply any wax you had on prior afterwards

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    Default Re: Removing road tar from frame

    Quote Originally Posted by EricKeller View Post
    isn't biodiesel mostly cooking oil?
    No. The fatty acids are stripped off the gycerol moeity and esterified, normally with ethanol or methanol, so where olive oil is a glycerol with three oleate chains attached, the equivalent biodiesel is ethanol / methanol with a single oleate chain. It thus has about a third of the molecular weight and in general lower molecular weight improves solvency due to higher dispersion energy. Dispersion also correlates with volatility, hence the common observation that good solvents are often volatile.

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    Default Re: Removing road tar from frame

    Quote Originally Posted by thollandpe View Post

    How about pine tar? Anybody got the secret to getting crystallized pine tar off car paint?
    Terpenes. In Australia, Euky: outside Australia, either citrus terpene or gum turpentine (the original terpene and source of the name).

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    Default Re: Removing road tar from frame

    Quote Originally Posted by Blue Jays View Post
    Applying a splash of olive oil to a soft cloth successfully removes lots of stubborn things stuck on bicycles.
    Ernesto Colnago and Ugo Derosa heartily endorse it!

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    Default Re: Removing road tar from frame

    The Golden Degreaser I've praised before worked so well I had to look up its msds and it turns out the main ingredient was bio-diesel. Go figure.

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    Default Re: Removing road tar from frame

    Eucalyptus oil.
    Bill Fernance
    Bicycle Shop Owner
    Part Time Framebuilder
    Bicycle Tragic

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