4-Piece Variably Shaped Borosilicate 3.3 Glass Delivery Tube Set

This pack of 4 variably shaped glass delivery tubes is made from pre-bent borosilicate 3.3 glass with a 4mm inner diameter and 6mm outer diameter (1mm wall thickness). The set includes a short straight tube (70mm), a long straight tube (170mm), a long tube with 90° bend (60 x 160mm), and a short tube with 90° bend (60 x 60mm). Suitable for various gas collection experiments and laboratory configurations. The borosilicate glass is autoclavable with heat tolerances including a Strain Point of 515°C, Annealing Point of 565°C, and Softening Point of 820°C.