PYREXPLUS® 1000mL PVC-Coated Class A Glass Volumetric Flask with Standard Taper Glass Stopper – 65640-1L

The PYREXPLUS® 1000mL PVC-Coated Class A Volumetric Flask is a precision laboratory glass instrument designed for accurate preparation, dilution, and measurement of chemical solutions. Manufactured from high-quality 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, a clearly visible calibration mark, and a No. 22 hollow glass standard taper stopper. With Class A accuracy and a volumetric tolerance of ±0.30mL, it is suitable for pharmaceutical laboratories, analytical chemistry, quality control testing, research institutions, and educational laboratories. Corning+1 Key Features - 1000mL Capacity: Designed for precise preparation of 1L standard solutions and chemical dilutions. - Class A Accuracy: Provides a volumetric tolerance of ±0.30mL. - Protective PVC Coating: Helps contain glass fragments and reduce spills during accidental breakage. - Single Calibration Mark: Clearly visible graduation line for accurate volume adjustment. - No. 22 Glass Stopper: Supplied with a hollow standard taper PYREX® glass stopper. - Long Narrow Neck: Supports precise meniscus alignment during solution preparation. - Flat Bottom Design: Allows stable positioning on laboratory work surfaces. - 125mm Outer Diameter: Provides a wide base for stability. - 342mm Overall Height: Tall, narrow-neck configuration for volumetric measurement. - 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 65640-1L Product Type Class A Volumetric Flask Capacity 1000mL (1L) Material Laboratory Glass Protective Coating PVC Flask Style Volumetric Flask Shape Flat Bottom Accuracy Class Class A Volumetric Tolerance ±0.30mL Graduation Type Single Calibration Mark Neck Style Long Narrow Neck Top Style Standard Taper Stopper Stopper Number No. 22 Stopper Material Glass Stopper Style Hollow Glass Outer Diameter Approximately 125mm Overall Height Approximately 342mm Maximum Moist-Heat Temperature 121°C Maximum Dry-Heat Temperature 110°C Autoclavable Yes, within manufacturer limits Reusable Yes Quantity per Pack 1 Piece Quantity per Case 4 Pieces Replacement Glass Stopper Series Corning 7650