PYREX 2000mL Class A Volumetric Flask with No. 27 Polyethylene Standard Taper Stopper

The PYREX 2000mL Class A Volumetric Flask with Polyethylene Standard Taper Stopper is precision laboratory glassware designed for accurate preparation, dilution and measurement of liquid solutions. It features a heavy-duty machine-blown glass body, reinforced long neck, permanent graduation line and No. 27 high-density polyethylene (HDPE) standard taper stopper. Its Class A accuracy makes it suitable for analytical chemistry, pharmaceutical testing, quality control and laboratory research. Key Features - 2000mL (2 Litres) capacity for laboratory solution preparation. - Class A volumetric accuracy with ±0.50mL tolerance. - Durable heavy-duty PYREX glass construction. - No. 27 polyethylene standard taper stopper included. - Chemical-resistant HDPE stopper with closed-bottom design. - Machine-blown body with heavy-beaded reinforced neck. - Sharp permanent calibration line for precise volumetric measurements. - Large white inscriptions for easy identification. - Flat-bottom design for stable placement on laboratory surfaces. - Long narrow neck for controlled filling to the calibration mark. - Reusable design for routine laboratory applications. - Suitable for pharmaceutical, chemical, educational and research laboratories. Specification Details Brand PYREX (Corning) Product Code 5642-2L Capacity 2000mL (2 Litres) Accuracy Class Class A Tolerance ±0.50mL Material PYREX Laboratory Glass Flask Type Heavy-Duty Volumetric Flask Stopper Size No. 27 Stopper Type Polyethylene Standard Taper Stopper Material High-Density Polyethylene (HDPE) Stopper Design Closed Bottom Flask Shape Flat Bottom Neck Style Long Reinforced Neck Height Approximately 357mm Outer Diameter Approximately 161mm Applicable Standards ASTM E694, ASTM E542 and ASTM E288 Graduation Permanent Single Calibration Line Reusable Yes Quantity per Pack 1 Flask Quantity per Case 4 Flasks Replacement Stopper PYREX Series 7624 No. 27