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Designer Dental Supplies :: WhipMix :: Beauty-Cast 144-75 gram Package

Beauty-Cast 144-75 gram Package

America's Leading Gypsum Investment

* The proven standard for the Hygroscopic Technique
* Also excellent for the High Heat Technique

The Hygroscopic Technique with BEAUTY-CAST is as simple and quick as the High Heat Technique, but the results are much more uniform. The use of a water bath (HYGROBATH) at 37.8 degrees C (100 degrees F) automatically brings all patterns to uniform temperature, softening the wax enough for even expansion of the investment. Combined, the wax expansion and the high hygroscopic expansion compensate for most of the gold shrinkage, and thus the low temperature burnout at 480 degrees C (900 degrees F) provides the balance of the required mold expansion.

Fig. 1 shows hygroscopic expansion of BEAUTY-CAST at 1.5% and Fig. 2 shows thermal expansion at 0.55 at 480 degrees C (900 degrees F). We unhesitatingly recommend the Hygroscopic Technique with BEAUTY-CAST as best suiting today's needs for a precise yet simple routine technique.

The inherent high thermal expansion of BEAUTY-CAST at 650 degrees C (1,200 degrees F) (Fig. 2) makes it possible to use the standard High Heat Technique. Setting expansion can be controlled by varying the number of ring liners in the Inlay Ring (Fig. 1), resulting in varying degrees of total expansion. Casting at 650 degrees C (1,200 degrees F) is necessary for the additional 1.2% thermal expansion to compensate for gold shrinkage. In the ADA Specification No. 2 for Investments, the term Type I, Inlay Thermal refers to investments used by the High Heat Technique; Type II is called Inlay Hygroscopic. With BEAUTY-CAST either technique -- the Hygroscopic or the High Heat -- will produce extremely smooth castings of a rich golden color that seldom require pickling.