Thread: Color bubbles
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Old 11-11-2017, 11:15 PM
Marc Carmen Marc Carmen is offline
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Pete, have you ever considered taking your black formula and adding alumina to stiffen it up? I mean like really stiff, like the way David is talking about working with the durissimo. I'm wondering if all that added alumina would offset the benefits of the lead base in terms of solubility of metal oxides.

I get what you and Scott are saying with the staying jet black. I think its also just as important that it stays crazy stiff. Maybe one day we could get the best of both worlds. Gaffer seemed to go the FeS route and some people complain about the color. I for one embrace the gritty warm black of it.
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