FS*0 isclear neutral borosilicate glass conformed to USP Type I glass. With its excellent chemical durability, it is used for pharmaceutical packaging.
.Commercial Annealing Schedule
COOLING ON TWO SIDES Annealing Periods: A: Heating to 5℃ above annealing point at the rate of **0℃/min. B: Hold temperature for a few minutes. Wall thickness 0.*0mm: 1.0min. 1.*0mm: 2.0min. 1.*0mm: 3.0min. C: Initial cooling to 5℃ below strain point at the rate of *0℃/min. D: Cooing, next to *5℃ below strain point at the rate of *0℃/min. E: Final cooling at the rate of **0℃/min.
