Hollow Stopper, Hexagonal Top - 10/19 Cone - Flat Bottom - Borosilicate Glass - Eisco Labs

• Hollow stopper made of high quality, heavy duty 3.3 borosilicate glass
• Hexagonal top, flat bottom
• 10/19 cone size
• 0.5" 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, and a flat bottom. 10/19 cone size.

Stopper measures 1.25" long, and top measures 0.5" wide.

Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.

Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.
Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.