Volumetric Flask, 50ml – Class A Tolerance ±0.06ml – 12/21 Polypropylene Stopper – Single Graduation Mark – Borosilicate Glass –

• Made of high quality, heavy duty, borosilicate 3.3 glass
• 50ml capacity
• Class A tolerance ±0.06ml
• Single, white graduation mark
• Includes interchangeable, 12/21 polypropylene stopper

50ml capacity volumetric flask made of high quality, heavy duty borosilicate 3.3 glass. Class A tolerance, ±0.06ml. Single, white graduation mark. Blue printed specifications. Fitted with a chemically resistant, interchangeable 12/21 polypropylene stopper.
Flask stands 5″ tall, and is 1.9″ in diameter at its widest point. Neck measures 0.65″ in diameter and is 2.75″ in length.
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.