PYREXPLUS® 2000mL PVC-Coated Class A Glass Volumetric Flask with Standard Taper Glass Stopper – 65640-2L

The PYREXPLUS® 2000mL PVC-Coated Class A Volumetric Flask is a precision borosilicate glass laboratory instrument designed for accurate preparation, dilution, and measurement of chemical solutions. Featuring a protective PVC coating, long narrow neck, permanent calibration mark, and No. 27 hollow glass standard taper stopper, the flask provides reliable volumetric accuracy while helping minimise glass fragmentation and liquid spills during accidental breakage. With Class A accuracy and a tolerance of ±0.50mL, it is suitable for pharmaceutical laboratories, analytical chemistry, quality control testing, research institutions, and educational laboratories. Corning+1 Key Features - 2000mL Capacity: Suitable for accurate preparation of 2L standard solutions and chemical dilutions. - Class A Accuracy: Provides a volumetric tolerance of ±0.50mL. - Protective PVC Coating: Helps contain glass fragments and minimise spills during accidental breakage. - Borosilicate Glass Construction: Offers good chemical resistance and thermal stability. - Single Calibration Mark: Permanent graduation line supports accurate volume adjustment. - No. 27 Glass Stopper: Supplied with a hollow standard taper PYREX® glass stopper. - Long Narrow Neck: Facilitates precise meniscus alignment. - Flat Bottom Design: Provides stable positioning on laboratory work surfaces. - 158mm Outer Diameter: Large-capacity body for laboratory solution preparation. - Autoclavable at 121°C: Suitable for moist-heat sterilisation within manufacturer limits. - Reusable Construction: Designed for repeated laboratory applications. Specification Details Brand PYREXPLUS® Manufacturer Corning Product Number 65640-2L Product Type Class A Volumetric Flask Capacity 2000mL (2L) Material Borosilicate Glass Protective Coating PVC Flask Style Volumetric Flask Shape Flat Bottom Accuracy Class Class A Volumetric Tolerance ±0.50mL Calibration Type Single Calibration Mark Neck Style Long Narrow Neck Top Style Standard Taper Stopper Stopper Number No. 27 Stopper Material Glass Stopper Style Hollow Glass Outer Diameter Approximately 158mm Overall Height Approximately 357mm Maximum Moist-Heat Temperature 121°C Maximum Dry-Heat Temperature 110°C Autoclavable Yes, within manufacturer limits Sterile No Reusable Yes Quantity per Pack 1 Piece Quantity per Case 2 Pieces Replacement Glass Stopper Series Corning 7650 Applicable Standards ASTM E694, ASTM E542, ASTM E288 Applications Standard Solution Preparation, Chemical Dilution, Pharmaceutical Analysis, Quality Control Testing