One well-known product is Dykem Steel Blue.
Search Google for many on-line sources for this product.
for more information.
-- Flemming Larsen
Landaiche Kenneth wrote:
> Last night I was scribing some stainless steel to cut it and could not
> see the marks very well. I vaguely remember seeing a dark dye or paint
> that could be applied, then scribed through making it very easy to see
> the markings. A stop in the local hardware store (If We Don't Have It,
> You Don't Need It!) brought a vague notion of something called "Prussian
> Blue". But they really didn't know anything about it. Any ideas?
> Ken Landaiche
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