Eisco Amber Volumetric Flask, 1000mL - Class A - Borosilicate Glass, Polyethylene Stopper, 19/26 Socket - QR Code Marking for Calibration Certificate

• IDEAL LAB USE || 1000mL flask ideal for mixing and heating chemicals. Durable borosilicate glass ensures safety at high temperatures. Stable wide base and secure polyethylene stopper prevent leaks.
• INDUSTRIAL STRENGTH || High-quality, heavy-duty borosilicate 3.3 glass. Microwavable, autoclavable, withstands high temperatures and thermal shocks.
• HIGH CAPACITY || Flask has a 1000mL capacity with a single white graduation mark. Class A tolerance, ±0.400mL. Mouth: 22.5mm ID. Flask size: 5" diameter x 12" tall.
• POLYETHYLENE STOPPER || NS29/32 socket with a lightweight, chemically-resistant polyethylene stopper. Durable, flexible, and provides a secure seal.
• CLASS A AMBER GLASS || Conforms to ISO 1042 standards. Amber glass protects the contents from UV and blue light, preventing photodegradation and other light-induced reactions.

Volumetric flask made from high-quality borosilicate 3.3 amber glass suitable for holding light sensitive chemicals with a single white graduation marking its 1000mL capacity. Features an industry-leading feature: a QR code printed on its surface, allowing you to effortlessly scan and retrieve a PDF of the calibration batch certificate.Class A tolerance at ±0.400mL conforms to ISO 1042 standards for accuracy. The flask is equipped with an NS24/29 size socket fitted with a chemically-resistant polyethylene stopper.

Autoclavable, with superior chemical durability. Low temperature gradient - can withstand high temperatures and thermal shocks. Eisco Labs borosilicate glass has the following heat tolerances: Strain Point 515°C | Annealing Point 565°C | Softening Point 820°C.