FIELD: glass industry. SUBSTANCE: glass has, wt.-%: silicon oxide (SiO2) 48.45-55.09; boron oxide (B2O3) 20.42-26.0; aluminium oxide (Al2O3) 0.2-3.0; sodium oxide (Na2O) 8.0-9.8; potassium oxide (K2O) 0.5-5.0; copper oxide Cuo 0.62-1.19; clorine (Cl) 0.87-1.67; fluorine (F) 0.49-1.0; antimony oxide (Sb2O3) 0.1-1.0; zirconium oxide (ZrO2) 0.2-5.9; phosphorus pentoxide (P2O5) 0.54-1.0; tin oxide (SnO2) 3-7, and silver oxide (Ag2O) 0.01-0.05. Properties: glass optical density at impulse termination after 1000 ms - 1.06, after 150 ms - 0.57; sample transmission after 90 s activation on "ИФС" - 3.37%. Glass is used for color filter making exhibiting alternating light transmission for protection against different radiation types. EFFECT: enhanced quality and properties of glass. 3 tbl
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Authors
Dates
1996-06-27—Published
1993-12-30—Filed