25ml capacity volumetric flask made of high quality, heavy duty Borosilicate 3.3 glass. Single graduation mark. Blue printed specifications. Class B tolerance, ±0.08ml. Beaded rim.
Flask stands 4.25" tall, and is 1.5" in diameter at its widest point. Neck outer diameter measures 0.5" and inner diameter measures 0.4".
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.