Borosilicate glass resource

Announcement: New Forums

We are excited to announce the launch of our new forums! You can access it forums.aavso.org. For questions, please see our blog post. The forums at aavso.org/forum have become read-only.

Affiliation
American Association of Variable Star Observers (AAVSO)
Fri, 10/30/2015 - 22:38

Does anyone know of a source for borosilicate glass, ideally in the USA? We had an inquiry from someone seeking this type of glass to cast a mirror. Arne Henden mentioned Ohara in Japan, who made the glass for the big spin-cast mirrors at the University of Arizona.

Thanks,

Elizabeth Waagen