PYREX® 200mL Class A Low Actinic Volumetric Flask with No. 13 Glass Stopper – 55640-200

The PYREX® 200mL Class A Low Actinic Volumetric Flask is a precision laboratory glass flask designed for accurate preparation, dilution and measurement of light-sensitive chemical solutions. Manufactured from specially stained low-actinic glass, it helps protect photosensitive reagents while maintaining the chemical resistance, mechanical strength and thermal stability of PYREX® laboratory glassware. Featuring a flat-bottom design, long neck, permanent calibration line and No. 13 hollow glass standard taper stopper, it is ideal for pharmaceutical analysis, analytical chemistry, laboratory quality control and scientific research. Key Features & Specifications - Brand: PYREX® by Corning - Product Code: 55640-200 - Capacity: 200mL - Material: Low Actinic Stained Borosilicate Glass - Flask Type: Volumetric Flask - Accuracy Classification: Class A - Measurement Tolerance: ±0.10mL - Flask Shape: Flat Bottom - Neck Style: Long Neck - Stopper Type: Hollow Glass Standard Taper Stopper - Stopper Size: No. 13 - Stopper Included: Yes - Glass Colour: Low Actinic Red/Amber - Light Protection: Helps protect light-sensitive solutions - Graduation: Sharp, permanent calibration line - Markings: Large white lettering for easy identification - Flask Height: Approximately 214mm - Flask Outer Diameter: Approximately 74mm - Construction: Machine-blown body with reinforced heavy-tubing neck - Reusable: Yes - Calibration Standards: ASTM E694, ASTM E542 and ASTM E288 - Manufacturer Packaging: 6 Pieces per Pack; 12 Pieces per Case - Applications: Volumetric solution preparation, light-sensitive reagent handling, pharmaceutical testing, analytical chemistry and laboratory quality control.