Solicitante: FERRO CORP
N. de solicitud: US20050211133
N. de publicación: US2007054793
The invention provides an opalescent forehearth color concentrate comprising a non-smelted agglomerated interspersion of particles for use in coloring glass, said concentrate comprising by weight from about 10% to about 70% of a glass component and from about 30% to about 90% of one or more opalescent pigments, the glass component comprising by weight from about 10% to about 50% ZnO and about 15 to about 60% SiO2. The invention also provides a method of using the color concentrate.
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