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I have heard to do it both ways never have realy found a good reason. Do you soak you models completly or do a wash before seperator, like Labdue?
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If I put the liquid on the model first and then add the polymer the liquid jumps to where the polymer is and can pull away from the model (and wires) causing a whitish color around the wires where the liquid pulled away towards the powder. It is not a clean or professional look and probably compromises the integrity of the wires imbedding in acrylic.
I do not soak models. I use seperator that I get from GL that is a thin clear liquid. I like it alot better then the pink jelly stuff.
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Looks like thick acrylic is the culprit, I have been monitoring that the pas couple of days and no shrinkage
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If I spend too much time on one area it can warp the acrylic, so I am constantly moving my burr around the acrylic in different spots, so as not to get the acrylic too heated.
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Nice theory on fracture strength. A patient who is rough on an appliance, is rough on an appliance
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Amen.