Linked from
The 20 pages that link to Borosilicate glass, each with the reason it gives.
SyringeRelated: Glass syringes can tolerate some sterilization methods and resist many chemicals.
Borate mineralRelated: Boron from mined borates is a feedstock for borosilicate glass.
KerniteRelated: Kernite-derived boron can contribute to boron compounds used in glass manufacture.
Water bottleRelated: Some glass water bottles use it to withstand temperature changes.
VialRelated: Borosilicate glass withstands temperature changes and is used for laboratory vials.