Edh
The timing of the copal is all dependent on the ambient temperature though two weeks is quicker than over here in this cold damp Island, it has taken three weeks to a month sometimes to fully dissolve.
Now on the subject of metallic dryers a small window opened in my now not so good memory shedding some light on the makeup of dryers and the removal of Lead salts and replacing them with Cobalt compounds. Over the last thirty years or so Lead has had rather a bad press being removed from all sorts of products, you never know!
Ernie
