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Richard Casady

On Wed, 30 Jul 2008 14:10:25 -0400, wrote:

On Wed, 30 Jul 2008 16:45:17 GMT, (Richard
Casady) wrote:

On Wed, 30 Jul 2008 06:58:45 -0400, wrote:

On Wed, 30 Jul 2008 01:21:16 GMT, (Richard Casady)
wrote:

On Thu, 10 Jul 2008 06:35:50 -0400, wrote:

Just the same, I know quite a few folks who thought all "Silicone" was the same,
and they bought their's at Home Depot to save a few bucks. OOPS! The home
version releases ACID as it cures. Pretty hard on boat hardware.

Acetic acid, that is, vinegar. Not in a class with some other acids
for corrosiveness, but not desirable. Won't normally do much to
stainless.

Casady

Vinegar is greatly diluted acetic acid. Something around 5% acidity. Acetic acid
can also be 20%, 50%,100%, or anything in between, all which might surprise you
with their effects on metals including stainless.

We are discussing silicone caulk. What is the concentration of the
acid?

Casady

Don't know and don't care. Just pointing out that not all acetic acid
is 5%.

Of course not. The caulk is undoubtedly less than one tenth that.

Casady

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