Quote:
Originally Posted by Richard Bingham
....The article makes it sound as if there are no variables, nor mitigating circumstances. There is no material that cannot be mis-used to failure, just as there is no material that can safely be identified in all its manifestations of quality and sources generically. Quoth the maven, "What's the score?"
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Rich, based on what little I know (not a lot, and I have not read the original paper) the Mecklenburg study seems to miss the boat in accounting for variables like the substrates and the admixtures with zinc white. So any comments from here on, take with a grain of salt. Still, my two cents: delamination from acrylic-primed grounds has been amply demonstrated time and again; mixing one paint with another may often change not only the physical but the chemical characteristics of the paint. What it means to me is that if I paint a layer of zinc white on an acrylic-primed canvas, particularly if I paint it thickly, I risk cracking and delamination (duh). But mixing zinc white into a darker pigment is prolly not all that bad. Ho hum.