Eisco Labs Volumetric Flask, 250ml - Class A - 14/23 Polypropylene Stopper, Borosilicate Glass

• Made of high quality, heavy duty, Borosilicate 3.3 glass
• Amber color for light sensitive solutions. 200ml capacity, single white graduation mark
• Class A tolerance. Compliant with ASTM-E288 standards
• Fitted with a 14/23 polypropylene stopper
• Stands 9" tall, and is 3.2" in diameter at its widest point. Neck diameter measures 18mm

250ml capacity volumetric flask made of high quality, heavy duty Borosilicate 3.3 glass. Amber color for light sensitive solutions. Single, white graduation mark. Class A, tolerance, ±0.150ml. Fitted with a chemical resistant, 14/23 polypropylene stopper.
Flask stands 9" tall, and has a bottom diameter of 3.2". Neck has a diameter of 18mm.
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.