Fluorine was introduced in amounts up to 3% in tow types of commercial glasses. It strongly decreased the temperature required to maintain a given viscosity in the range of glass forming temperature lowered the liquids and the devitrification temperature, and diminished the speed of crystallisation in the devitrification zone.
Origin
Unknown
Journal Title
Central Glass & Ceram. Research Inst. Bukk (India) 8 [2] 81-86 (1961)
Sector
Primary Papers
Class
PP 901