COMPOSITION OF STAINED GLASS FOR AUTOMOBILE OVERVIEW PANELS WITH REDUCED SHIFT OF ADMITTED LIGHT AND METHOD OF ITS OBTAINING Russian patent published in 2008 - IPC C03C3/87 

FIELD: chemistry.

SUBSTANCE: composition of glass has base fraction, containing 65-75 wt % SiO₂, 10-20 wt % Na₂O, 5-15 wt % CaO, 0-5 wt % MgO, 0-5 wt % Al₂O₃, 0-5 wt %, K₂O. Composition also includes main dyes, including 0.70-0.75 wt % Fe₂O₃, 0-15 mln^-1 CoO, 1-15 mln^-1 Se. Glass has light transparency 65% with thickness 3.9 mm, oxidation-reduction coefficient is 0.2-0.675, TSET is less or equals 65 %, standard colour shift is less than 6.

EFFECT: improved characteristics of sun radiation control and low shift of admitted light.

29 cl, 8 tbl, 2 ex