PYREX 100mL Economy Class B Volumetric Flask with No. 13 Standard Taper Glass Stopper

The PYREX 100mL Economy Class B Volumetric Flask with Glass Standard Taper Stopper is durable laboratory glassware designed for routine solution preparation, dilution and volumetric measurements. Manufactured from borosilicate glass, it features a flat-bottom body, long narrow neck, permanent calibration line and interchangeable No. 13 standard taper ground glass stopper. Its Class B accuracy offers an economical solution for general laboratory applications where Class A precision is not required. Key Features - 100mL capacity for routine laboratory solution preparation. - Class B accuracy with ±0.16mL tolerance. - Durable borosilicate glass construction. - No. 13 standard taper ground glass stopper included. - Permanent calibration line for consistent volume measurements. - Large white markings for easy identification. - Flat-bottom construction for stable placement. - Long narrow neck for precise filling to the calibration mark. - Economical alternative to Class A volumetric glassware. - Reusable design for routine laboratory applications. - Suitable for educational, chemical, pharmaceutical and research laboratories. Specification Details Brand PYREX (Corning) Model 5641-100 Capacity 100mL Accuracy Class Class B Tolerance ±0.16mL Material Borosilicate Glass Flask Type Economy Volumetric Flask Stopper Size No. 13 Stopper Type Standard Taper Ground Glass Flask Shape Flat Bottom Neck Style Long Narrow Neck Height Approximately 181mm Outer Diameter Approximately 60mm Graduation Permanent Single Calibration Line Reusable Yes Quantity per Pack 6 Flasks Quantity per Case 12 Flasks Replacement Stopper PYREX Series 7650 No. 13