Re: meglip

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Re: meglip

In Reply to: Re: meglip posted by Stump on 07/27/00 at 9:28 AM:

>>>So, if I understand you, maroger is mastic, turp, and oil (with lead); meglip is the same as maroger only without lead. If this is true, and maroger is permanent while meglip is fugitive, this is interesting>>The maroger sold at the Art Students League, the formula which I subsequently learned and employed for many years, was made by dropping a small portion of litharge into the heated oil (cold pressed) and stirred once then strained. The resulting medium is a very hard gel, harder than that resulting from your product.<<<

That was done by someone with a rudimentary understanding of chemistry because the use of cold-pressed oil is immediately obviated and changed by heating. In other words, they were "shopping the label." The proportion of lead to oil and the degree and length to which it is heated, accounts for the eventual stiffness of the medium. We prefer to use a bit over 4% lead on solution. If, you are just dropping litharge into vaguely warmed oil and expecting it to go into solution without bringing it to the temperature at which the lead goes into solution (approx. 450F) you're deceiving yourself. If you have any appreciable residue of litharge, that means it has not gone into solution. You can dump all the lead you want into the oil and then pour off the oil to find that none of it has gone into solution (or very little has).