Seems fairly clear that if the chemical will remove the silicone from the glass it also could damage the skirt. As could the flame with enough time.No worries on the first part.
Give the Chromerge a try. FWIW I based my argument on the following chart.
Printable Chemical Resistance Chart | Custom Advanced
The silicone rubber on a mask might be a more resistant formulation.
You could buy a few silicone orings and see how they hold up.