GC Initial Spectrum Stain is a universal stain and glaze system for the individualized staining and characterization of ceramic materials. This product is a powder stain available in a variety of 16 colors. It is the latest extension to the GC Initial® product portfolio. Its features are, Stains and glaze for external staining of ceramic materials and internal characterization of layering ceramics, perfectly compatible will almost all types of dental ceramics, due to its wide CTE range, only one set for all GC Initial® Systems is needed