FIELD: composition of silicon-sodium-calcium type blue glass.
SUBSTANCE: proposed composition contains dyeing agents at the following ratio of components, mass-%: Fe2O3 (common iron), from 0.2 to 0.51; CoO, from 10 to 50 ppm; Cr2O3, from 10 to 300 ppm; CuO, from 0 to 400 ppm. Oxidizing-reducing coefficient of glass is lesser than or is equal to 0.35; predominant length of wave λ within 485 and 489 nm, excitation purity lesser than 13% and selectivity of at least 1.1 at thickness ranging from 3 to 5 mm. Proposed composition is used for manufacture of sheet glass for automobiles and structural glass. Light transmission of glass is 60%.
EFFECT: enhanced efficiency; improved quality.
22 cl, 4 tbl
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|
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