Accu-Cast 680-LS - - - - (Green)
This is one of our classic face and head casting alginates.
The great thing about 680 is its gradual set. This gives the operator plenty of time to embed the cotton or plaster bandage squares into the surface of the alginate during a face, head or torso cast.
680 sets in 6 minutes when you use 80°F water. As always, cooler water will slow the set. It sets gradually, but will end up firm and flexible, even when mixed thin.
For face, head and torso casting, we recommend a 3.75:1 (by weight) mixing ratio. Coincidentally this turns out to be almost exactly a 1:1 ratio by volume. If you want to weigh it out (the best method), use a little less than 2 quarts of water (60 fl. oz.) for each pound of 680-LS. Can be mixed thicker or thinner as the need arises.
The use of warm water (80°F) makes it comfortable for the subject.
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