High-transparency glass

作者: Yuki Kondo , Yusaku Matsuo , Yusuke Arai , Hiroyuki Hijiya , Yutaka Kuroiwa

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摘要: The present invention provides a high-transparency glass having high fining action at low temperature and capable of achieving redox lowering more than before. relates to containing 1 500 ppm total iron oxide (t-Fe 2 O 3 ) in terms Fe , ([divalent (Fe 2+ ]/[total +Fe 3+ divalent trivalent ]) 0% or 25% less, containing, as expressed by mass percentage based on oxides, 50 81% SiO 20% Al 0 5% B 5 Li O+Na O+K O, 27% MgO+CaO+SrO+BaO, bubble disappearance-starting (TD) 1485° C. lower.

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