FIELD: glass manufacturing.
SUBSTANCE: invention relates to colored sodium-calcium glass containing MgO in amount higher than 2%, Fe2O3 below 1.1% , MnO2 less than 1300 ppm and Co above 58 ppm, which glass is characterized by selectivity (S4) above 1.2, predominant wavelength λD not exceeding 490 nm, and excitation purity above 10%. The glass is particularly suitable for rear side glasses, rear glasses, and sun glass roofs of motor cars.
EFFECT: increased selectivity of glass enabling limitation of heating of interior space defined by glazing assemblages.
25 cl, 2 tbl
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