PYREX 250mL EZ Access Class A Wide Mouth Volumetric Flask with GL32 Screw Cap

The PYREX 250mL EZ Access Class A Wide Mouth Volumetric Flask is heavy-duty precision laboratory glassware designed for accurate solution preparation, dilution and mixing. Manufactured from durable borosilicate glass, it features an extra-thick glass body, wide funnel-shaped neck and chemically resistant GL32 screw cap with a PTFE liner. Calibrated To Contain (TC), it provides Class A accuracy for analytical chemistry, pharmaceutical testing, quality control and laboratory research. Key Features - 250mL capacity for accurate laboratory solution preparation. - Class A volumetric accuracy with ±0.12mL tolerance. - Extra-heavy-duty borosilicate glass construction for improved durability. - EZ Access wide-mouth design for easier filling and mixing. - Funnel-shaped threaded opening accommodates larger laboratory pipettes. - GL32 screw cap included for secure closure. - High-temperature-resistant polybutylene terephthalate (PBT) screw cap. - PTFE-lined cap provides a chemically resistant, leak-resistant closure. - Calibrated To Contain (TC) according to ASTM Class A tolerances. - Permanent calibration mark for accurate volume measurements. - Large capacity marking for easy identification. - Flat-bottom construction for stable laboratory placement. - Lot-traceable manufacturing and calibration information. - Manufacturer certificates of compliance available. - Reusable for chemical, pharmaceutical and research applications. Specification Details Brand PYREX (Corning) Product Code 5655-250 Product Series EZ Access Capacity 250mL Accuracy Class Class A Volumetric Tolerance ±0.12mL Calibration Type To Contain (TC) Material Heavy-Duty Borosilicate Glass Flask Type Wide Mouth Volumetric Flask Mouth Design EZ Access Funnel-Shaped Opening Cap Type Threaded Screw Cap Thread Finish GL32 Cap Material Polybutylene Terephthalate (PBT) Cap Liner Polytetrafluoroethylene (PTFE) Flask Shape Flat Bottom Neck Style Wide Mouth Height 225mm Outer Diameter 86mm Accuracy Standard ASTM Class A Tolerances Traceability Lot Traceable Reusable Yes Quantity per Pack 1 Flask Quantity per Case 1 Flask Replacement Screw Cap Corning 1395-32HTC Flask and Cap Supplied Yes