Description

Stopper, 29/32 – Flat Head, Solid Cone – Borosilicate Glass – Eisco Labs

 

Solid cone stopper with flat head. Joint size 29/32. Made of high quality borosilicate glass. 2″ tall.
Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.