It's not a gel, but crystaline in structure. The Freezing/Melting Point of the kind of
Silica Gel Desiccant Grade (Blue indicating grade) is 1710ºC! :bigeyes: I doubt most of us can have access to euqipment to heat stuff to this kind of temperatures! :bsmilie: I have heated them to 120ºC in an oven before and they've been regenerated for re-use.
Do take note : The Silica Gel Desiccant Grade contains Cobalt(II) Chloride as an indicator (Which is why the color changes from blue to pink whan saturated with H2O and a prolonged exposure to respirable crystalline quartz may cause delayed lung injury/fibrosis (silicosis). Cobalt compounds may cause cancer based upon animal studies. :sweat: