16PK Test Tubes, 50ml - Borosilicate 3.3 Glass - 1.2mm Thick Walls, Beaded Rim
- Ships from Rochester, NY
- US Customer Service
- 30-Day Return Policy
Set of 16 test tubes made of high quality Borosilicate 3.3 Glass. 50ml capacity. Tubes feature uniform, 1.2mm walls and beaded rims.
Each tube measures 5.9" (150mm) tall, with an outer diameter of 0.95" (24mm) and 1.1" (28mm) at the rim. Inner diameter measures 22.8mm. Accommodates stoppers with a bottom diameter of 20-21mm & top diameter of 24-26mm.
Autoclavable, with superior chemical durability. Low temperature gradient- can withstand direct flame, 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.
Started over 50 years ago as a small, family-owned manufacturing company, Eisco now produces over 6,500 product lines for the science education and scientific research markets. They have headquarters in both India and the US, and serve hundreds of distributors around the world.
Their core products include glassware, physics apparatus, biology models & equipment, and chemistry lab supplies. Products are designed by a team of laboratory professionals and engineers with quality and durability in mind.