The suitability of high vacuum extraction to judge the fining conditions and behaviour of selected optical glasses as well as to trace the refining process in glass melting tanks is demonstated and the fining mechanism of a soda-lime-silica and of a lead-silica glass are discussed.
Origin
Otto-Schott-Institut Fur Glaschemie, Friedrich-Schuller-Univ. Jena
Journal Title
Glastechnische Berichte 65 (5) 1992 150-156
Sector
Special Glass
Class
S 645