use of cadmium and lead free glasfritten producing glazes on glass, glass ceramic or keramikkörpern

摘要

enamels and glazes for decoration of objects of glass, ceramics and glass ceramics contain previously lead and cadmiumoxide which is toxic and extended use as a cook or tableware can be harmful, especially if you often with acids, alkalis, what chmitteln etc. get in touch.their elimination were further beneficial effects of these additives on the schmelzbarkeit the frit, the increase of the refractive index and, under certain circumstances the coloring system. these difficulties are due to the essentially lead and cadmiumfreie fry the invention fixed in wt.-% to product after the approach calculated sio 2 5 - 47 b 2o 3 5.5 to 9 bao 4 42 tio 2 1.5 - 4 2 6 - 10 li 2o and their own measurements, 1 - 5 0 - 5 0 - mgo cao sro zno 4 0 8 0 - 10 bi 2o 3 0 - 8 + cao + sro + zno + bi 2o 3 0 - 10 contains.this glass frit is particularly convenient for affixing decorative glazes and colored enamels on cooking and tableware made of glass, ceramic or glass ceramic suitable.