Bern stone dyeing free reduced blue glass mixture

摘要

A colored glass for use in a motor vehicle with a basic mixture and a colorant, wherein the colorant is a composition in percent by weight of the colored glass has as follows:– 0,3 to 0,8 w -% iron oxide as fe₂O₃, the redox ratio of feo and the total iron as fe₂O₃ in the range of 0,35 to 0,62 is;– 0,05 to 0,50 w -% manganese oxide as mno₂;– 0,0 to 0,3 w -% titanium oxide as tio₂;– to 0,8 w -% cerium oxide as a ceo₂, the colored glass in the case of a comparison thickness of 4 mm, a light transmission for the light source a between 65% and 81,0% and a dominant wavelength in the case of the light source c in the range of 488 to 494 nm.