GC Initial MC GM-36 (intensive red) GC Initial MC is a porcelain for the production of crown / bridge on conventional dental alloys with a CTE in the range 13.8 - 14.9 (25 -500 ° C) Initial MC can be used on alloys containing silver, high-grade alloys, gold-reduced and palladium-based alloys plus base. The porcelain can also be used for sintering techniques in the production of inlays, onlays and veneers on fuel gypsum. Initial MC is part of a larger system that makes it possible to build a crown / bridge on several types of substructures with the same selection of porcelain masses and the same layer technique. Physical data. CTE 13.1 x 10? 6K? ¹ (25-500 ° C) at 2nd firing; CTE 13.3 x 1010? 6K? ¹ (25-500 ° C) at 4; burning temperature 890 ° C (1st dentin); glass transformation 575 ° C; flexibility strength 84 N / mm²; density 2.52 g / cm³; solubility 25 µg / cm²; medium grain size 25 µm.