PYREX 6000mL Class A Volumetric Flask with No. 38 Standard Taper Pennyhead Glass Stopper

The PYREX 6000mL Class A Volumetric Flask with Standard Taper Glass Stopper is precision laboratory glassware designed for accurate large-volume solution preparation, dilution and volumetric measurements. Manufactured from durable borosilicate glass, it features a heavy-duty machine-blown body, reinforced long neck, permanent graduation line and No. 38 standard taper pennyhead glass stopper. Its Class A accuracy ensures reliable measurements for analytical chemistry, pharmaceutical testing, reagent preparation, laboratory research and quality control applications. Key Features - Class A accuracy for precise volumetric measurements. - Large 6000mL capacity for bulk laboratory solution preparation. - Durable Type I borosilicate glass construction. - Heavy-duty machine-blown body with reinforced glass neck. - No. 38 standard taper pennyhead glass stopper included. - Permanent calibration line with easy-to-read white markings. - Flat-bottom design for stable laboratory placement. - Excellent chemical resistance for routine laboratory applications. - Reusable construction for long-term laboratory use. - Suitable for pharmaceutical, chemical and research laboratories Specification Details Brand PYREX (Corning) Model 5640-6L Capacity 6000mL (6 Litres) Material Type I Borosilicate Glass Accuracy Class Class A Tolerance ±2.0mL Flask Type Complete Volumetric Flask Stopper Size No. 38 Stopper Type Standard Taper Pennyhead Glass Flask Shape Flat Bottom Neck Style Long Reinforced Neck Height Approximately 550mm Outer Diameter Approximately 230mm Calibration Standards ASTM E694, E542 and E288 Graduation Permanent Single Calibration Line Reusable Yes Quantity per Pack 1 Flask Quantity per Case 1 Flask