PYREX 2000mL Class A Mixing Volumetric Flask with Glass Standard Taper Stopper 5820-2L

The PYREX 2000mL Class A Mixing Volumetric Flask with Glass Standard Taper Stopper is high-precision laboratory glassware designed for accurate solution preparation, chemical dilution, and efficient mixing of liquids and powders. Featuring a specially designed upper mixing bulb positioned between the stopper and calibration line, the flask facilitates thorough mixing during shaking. Its machine-blown glass body, reinforced heavy-tubing neck, and Class A volumetric accuracy make it suitable for analytical laboratories, pharmaceutical research, chemical testing, reagent preparation, and quality control applications. Key Features - 2000mL Capacity: Ideal for preparing large-volume standard laboratory solutions. - Class A Accuracy: Precision volumetric tolerance of ±0.50mL. - Special Mixing Bulb: Upper bulb facilitates efficient mixing of liquids and powders. - Mixing Bulb Capacity: Approximately 100mL, equivalent to one-twentieth of the flask's rated capacity. - Glass Standard Taper Stopper: No. 27 hollow glass stopper for secure closure. - Durable Glass Construction: Machine-blown body with reinforced heavy-tubing neck. - Precision Calibration: Manufactured to Class A volumetric accuracy standards. - Flat Bottom Design: Provides stability on laboratory surfaces. - Reusable Construction: Suitable for repeated professional laboratory applications. Specification Details Brand PYREX Manufacturer Corning Product Code 5820-2L Product Type Mixing Volumetric Flask Capacity 2000mL (2L) Accuracy Class Class A Tolerance ±0.50mL Flask Feature Upper Mixing Bulb Mixing Bulb Capacity Approximately 100mL Stopper Type Hollow Glass Standard Taper Stopper Size No. 27 Neck Construction Reinforced Heavy-Tubing Neck Body Construction Machine-Blown Glass Flask Shape Flat Bottom Height Approximately 397mm Outside Diameter Approximately 158mm Quantity per Case 1 Piece Reusable Yes Applicable Standards ASTM E694, ASTM E542 and ASTM E288 Applications Solution Preparation, Liquid Mixing, Powder Dissolution, Analytical Chemistry, Pharmaceutical Testing