PYREXPLUS® 500mL PVC-Coated Class A Glass Volumetric Flask with Standard Taper Glass Stopper – 65640-500

The PYREXPLUS® 500mL PVC-Coated Class A Volumetric Flask is a precision laboratory glass instrument designed for accurate preparation, dilution, and measurement of chemical solutions. Manufactured from laboratory glass with a protective PVC coating, it helps minimise glass fragmentation and liquid spills during accidental breakage. The flask features a long narrow neck, an easy-to-read calibration mark, and a No. 19 hollow glass standard taper stopper. With Class A accuracy and a volumetric tolerance of ±0.20mL, it is suitable for pharmaceutical laboratories, analytical chemistry, quality control testing, research institutions, and educational laboratories. Key Features - 500mL Capacity: Suitable for precise preparation of standard solutions and chemical dilutions. - Class A Accuracy: Provides a volumetric tolerance of ±0.20mL. - Protective PVC Coating: Helps contain glass fragments and minimise spills during accidental breakage. - Single Calibration Mark: Clearly visible graduation line for accurate volume adjustment. - No. 19 Glass Stopper: Supplied with a hollow PYREX® standard taper glass stopper. - Long Narrow Neck: Facilitates accurate meniscus alignment. - Flat Bottom Design: Provides stable positioning on laboratory work surfaces. - 100mm Outer Diameter: Provides stability during routine laboratory operations. - 287mm Overall Height: Designed for precision volumetric measurement. - Autoclavable at 121°C: Suitable for moist-heat sterilisation within manufacturer limits. - Reusable Construction: Suitable for repeated laboratory applications. Specification Details Brand PYREXPLUS® Manufacturer Corning Product Number 65640-500 Product Type Class A Volumetric Flask Capacity 500mL Material Laboratory Glass Protective Coating PVC Flask Style Volumetric Flask Shape Flat Bottom Accuracy Class Class A Volumetric Tolerance ±0.20mL Graduation Type Single Calibration Mark Neck Style Long Narrow Neck Top Style Standard Taper Stopper Stopper Number No. 19 Stopper Material Glass Stopper Style Hollow Glass Outer Diameter Approximately 100mm Overall Height Approximately 287mm Maximum Moist-Heat Temperature 121°C Maximum Dry-Heat Temperature 110°C Autoclavable Yes, within manufacturer limits Sterile Not supplied sterile Reusable Yes Quantity per Pack 6 Pieces Quantity per Case 12 Pieces Replacement Glass Stopper Series Corning 7650 Applications Standard Solution Preparation, Chemical Dilution, Pharmaceutical Analysis, Quality Control Testing