Glass Test Tube w Side Arm - 150x18mm - Eisco Labs Borosilicate Glass

• Borosilicate 3.3 test tube with sidearm
• 6" tube length x .75" diameter at opening
• The side arm is 1" in length and has a diameter of 1/8" at its opening.

This Borosilicate 3.3 glass test tube comes with a side arm designed into it and is 6" in total length with a .75" diameter. The side arm is 1" in length and has a diameter of 1/8" at its opening.
Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.