PYREX 25mL Class A Volumetric Flask with 18-410 Phenolic Screw Cap

The PYREX 25mL Class A Volumetric Flask with Screw Cap is precision laboratory glassware designed for accurate solution preparation, dilution and volumetric measurements. Manufactured from durable borosilicate glass, it features an expanded neck opening for transferring powders and crystals, a permanent calibration mark and a black phenolic screw cap with a cone-shaped polyethylene liner. Its Class A accuracy makes it suitable for analytical chemistry, pharmaceutical testing, quality control and laboratory research. Key Features - 25mL capacity for accurate laboratory solution preparation. - Class A volumetric accuracy with ±0.03mL tolerance. - Durable borosilicate glass construction. - Standard 18-410 GPI threaded screw cap included. - Black phenolic cap with cone-shaped polyethylene liner. - Poly-seal closure designed to resist leakage. - Expanded neck opening for easier transfer of crystals, salts and powders. - Permanent calibration mark for accurate volume measurements. - Flat-bottom construction for stable laboratory placement. - Long neck for precise filling to the calibration mark. - Reusable glassware for analytical and research laboratories. Specification Details Brand PYREX (Corning) Product Code 5650-25 Capacity 25mL Accuracy Class Class A Tolerance ±0.03mL Material Borosilicate Glass Flask Type Volumetric Flask with Screw Cap Cap Type Threaded Screw Cap Cap Material Phenolic Cap Colour Black Cap Liner Cone-Shaped Polyethylene Thread Finish 18-410 GPI Flask Shape Flat Bottom Neck Style Long Neck with Expanded Opening Approximate Height 100mm Approximate Outer Diameter 40mm Calibration To Contain (TC) Accuracy Standard ASTM Class A Capacity Tolerance Reusable Yes Quantity per Pack 6 Flasks Quantity per Case 12 Flasks Replacement Screw Cap PYREX 5650-18CO