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Hollow Stopper, Hexagonal Top - 7/16 Cone -Borosilicate Glass (Discontinued)

  • Hollow stopper made of high quality, heavy duty 3.3 borosilicate glass
  • Hexagonal top
  • 7/16 cone size
  • 9mm top width, 1.25" total length
  • Perfect for any science or home laboratory


Hollow stopper made of high quality, 3.3 borosilicate glass. Stopper features a hexagonal shape top. 7/16 cone size.

Stopper measures 1.25" long, and top measures 9mm wide.

Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.

*This product has been discontinued and is no longer available.
MaterialBorosilicate glass
InstructionsNo instructions available online. Please contact us for further assistance.
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