I have been working with Lapphyttan slags and metals. Just now, I am in a tight spot, please contact me directly in some weeks and I will be able to give you all required information.
> Date: Tue, 5 May 2009 16:27:24 -0400 > From: [log in to unmask] > Subject: Laphyttan etc. > To: [log in to unmask] > > Does anyone know what the slag from Laphyttan looked like? Or for that > matter any of the pre-flux blast furnaces in Europe. > > It is generally conceded that the deliberate use of limestone or other > Ca containing substances to flux blast furnaces was not "common" until > the later half of the 1600s. So what did the slag of a "self-fluxing" > and presumably fayalitic blast furnace slag look like? I have combed > the literature and can't find any references either to chemical > structure or physical appearance. > > Thanks > > Jamie Brothers