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Hollow Stopper, Hexagonal Top - 29/32 Cone - Flat Bottom - Borosilicate Glass - Eisco Labs

  • Hollow stopper made of high quality, heavy duty 3.3 borosilicate glass
  • Hexagonal top, flat bottom
  • 29/32 cone size
  • 1.25" top width, 2.25" 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, and a flat bottom. 29/32 cone size.

Stopper measures 2.25" long, and top measures 1.25" wide.

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

MaterialBorosilicate glass
InstructionsNo instructions available online. Please contact us for further assistance.
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