Volumetric Flask, 50ml - Class A - 12/21 Polyethylene Stopper, Borosilicate Glass - Blue Graduation, Tolerance ±0.060 - Eisco Labs

• Made of high quality Borosilicate glass
• Includes chemical resistant polyethylene stopper, socket size 12 / 21
• 50ml capacity
• Class A. As per DIN ISO 1042 Standard
• Perfect for any science or home laboratory

50ml capacity. This Class A Volumetric flask is made of high quality 3.3 Borosilicate glass, and includes a chemical resistant polyethylene stopper. Socket Size 12/21.

Tolerance ±0.060 ml. Autoclavable at 121°C.

Flask stands 5.5". Base is 1.75" in diameter. Neck measures 4" in length and has a diameter of approximately 0.6".

NOTE: Polyethylene stoppers cannot be autoclaved. They have a temperature compatibility range of -40°C to +80°C. Remove stoppers before autoclaving the glass flask body.