Volumetric Flask, 37.1mL - Class A - Borosilicate Glass - 10/19 Polyethylene Stopper - Includes Calibration Certificate

• Volumetric Flask has a 37.1mL capacity and features a single white graduation mark
• Made of high quality, heavy-duty borosilicate 3.3 glass
• Microwavable and autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks
• Calibrated to contain. Includes calibration certificate from ISO-accredited testing lab certifying Class A, ± 0.05mL tolerance as per ISO 1042 standards
• Fitted with a chemically-resistant, interchangeable 10/19 polyethylene stopper

Volumetric Flask with 37.1mL capacity is made of high-quality, heavy-duty borosilicate 3.3 glass. Single, white graduation mark. Includes an interchangeable 10/19 polypropylene stopper. Class A, tolerance, ±0.05ml as per ISO 1042 standard. Calibrated to contain. Includes calibration certificate. Flask stands 5.25" tall, and has a bottom diameter of 1.75". Neck has a diameter of 14mm.

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.