Stealth Pilot wrote:
On Wed, 21 Jun 2006 00:41:07 +0100, Martin Evans
wrote:

On Tue, 20 Jun 2006 22:05:55 +0800, Stealth Pilot
wrote:

a product called Duralac is designed to prevent the electrolytic
corrosion between dissimilar metals.
it is an aviation product made in england. comes in a white and yellow
tube.
it is a toothpaste consistency yellow fluid containing zinc chromate.
it dries slowly to a rubber consistency.

Minor point, it only contains Barium Chromate and White Spirit.

You can also buy bigger tins of it, It's used in a lot of marine
applications as well as aviation.

had to drag out my tube.
that's true.

Stealth Pilot

Hard to get zinc chromate in the average consumer product
anymore. It's been linked to cancer. Zinc *oxide* is often seen in
those green aerosol primers now. I can still get Endura epoxy zinc
chromate, clearly labelled "for industrial use only."

Dan