PYREX 1000mL Class A Lifetime Red Volumetric Flask with Glass Stopper 5660-1L

The PYREX 1000mL Class A Lifetime Red Volumetric Flask is precision laboratory glassware designed for accurate solution preparation, chemical dilution, and volumetric measurement. Manufactured from durable borosilicate glass, it features a permanent etched calibration line within a red band for excellent visibility and long-lasting accuracy. The flask includes a No. 22 standard taper glass stopper and is calibrated to contain 1000mL, making it suitable for analytical laboratories, pharmaceutical testing, research institutions, and quality control applications. Key Features - 1000mL Capacity: Designed for precise preparation of standard solutions. - Class A Accuracy: Provides a tolerance of ±0.30mL. - Lifetime Red Marking: Permanent etched calibration line for clear visibility. - Borosilicate Glass: Offers excellent chemical and thermal resistance. - Glass Stopper: No. 22 standard taper hollow glass stopper. - Heavy-Duty Construction: Reinforced neck for improved durability. - To Contain Calibration: Suitable for accurate volumetric solution preparation. - Reusable Design: Ideal for routine laboratory applications. Specification Details Brand PYREX Manufacturer Corning Product Code 5660-1L Product Type Volumetric Flask Capacity 1000mL (1L) Material Borosilicate Glass Accuracy Class Class A Tolerance ±0.30mL Calibration To Contain (TC) Graduation Lifetime Red Etched Mark Stopper Type Hollow Glass Standard Taper Stopper Size No. 22 Neck Design Long Neck Base Flat Bottom Height Approximately 344mm Outside Diameter Approximately 125mm Reusable Yes Quantity per Pack 1 Piece Quantity per Case 6 Pieces Applications Analytical Chemistry, Solution Preparation, Laboratory Testing Applicable Standards ASTM E694, E542 and E288