BETA-QUARTZ GLASS-CERAMICS WITH A CONTROLLED TRANSMISSION CURVE AND A HIGH IRON OXIDE CONTENT ; ARTICLES COMPRISING SAID GLASS-CERAMICS, AND PRECURSOR GLASSES

摘要

? -quartzed lithium aluminum silicate (LAS) glass-ceramics do not contain arsenic oxide as well as antimony oxide, are refined with tin oxide and include vanadium oxide, chromium oxide and high iron oxide content ( 950 ppm) And has a controlled transmission curve. Products such as cook-tops can be made from these glass-ceramics.