EISCO CH0718G 100PK Test Tubes, 50ml Beaded Rim

EISCO CH0718G 100PK Test Tubes, 50ml Beaded Rim is a set of 100 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). Inner diameter measures 22.8mm. Accommodates stoppers with a bottom diameter of 20-21mm & top diameter of 24-26mm. (Compatible stoppers can be found by searching ASIN: B07CZ1MFVH and B07N6NLLC8).

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.

* Manufacturers Code - CH0718G * Great for organization and storage of spices & craft supplies