Volumetric Flask, 250mL - Class A - Borosilicate Glass, Polyethylene Stopper, 14/23 Socket - QR Code Marking for Calibration Certificate

• Scan the QR code printed directly on the body of the flask to retrieve a PDF of the calibration batch certificate
• Made of high quality, heavy duty, borosilicate 3.3 glass. Can withstand high temperatures & thermal shocks
• Flask has a 250mL capacity and features a single white graduation mark
• Class A tolerance, ±0.150mL. Conforms to ISO 1042 standards
• The Flask has a 14/23 size socket fitted with a chemically-resistant polyethylene stopper

Volumetric Flask made from high-quality borosilicate 3.3 glass with a single white graduation marking its 250mL capacity. Features an industry-leading feature: a QR code printed on its surface, enabling you to effortlessly scan and retrieve a PDF of the calibration batch certificate. Class A tolerance at ±0.150mL conforms to ISO 1042 standards for accuracy. The flask is equipped with a 14/23 size socket fitted with a chemically-resistant polyethylene stopper.

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.