| Re: Liquid Wrench
LioNiNoiL_a t_Y a h 0 0_d 0 t_c 0 m wrote:
> Sheldon Brown 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.
Pat
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