| Re: Liquid Wrench
Pat Lamb wrote:
>>>> An acid solvent might work its way in there but I doubt it.
>>>
>>> Ammonia is good for this...I believe it's a base, not an acid.
>>
>> Aqueous ammonia is indeed alkaline [a base], and it is corrosive to
>> aluminum; but a less toxic corrosive is vinegar [dilute acetic acid].
>
> The base also dissolves the aluminum oxide, aka the corrosion that
> froze the seatpost in the frame.
You're certain the corrosion is aluminum oxide?
--
"Bicycling is a healthy and manly pursuit with much
to recommend it, and, unlike other foolish crazes,
it has not died out." -- The Daily Telegraph (1877)
|