Borosil Wide Mouth Volumetric Flask with Interchangeble Solid Glass Stopper, Accuracy as per Class A, ASTM E288 with Individual Certificate, Borosilicate 3.3 USP Type I, 100 mL, CS/10Borosil Volumetric Flasks are manufactured from 3.3 borosilicate, USP Type I glass for corrosion-free performance. The flasks are individually calibrated following an automatic calibration process which comes with the highest quality standards according to EN ISO 1042 & USP (E 288). Strict quality control through all steps eliminates possible deviations from normal volume. Volumetric Glassware offers the right mix of quality and efficiency for numerous objectives.SpecificationsMaterial: 3.3 Borosilicate GlassColor: ClearCapacity: 100 mLClass/ Quality Grade: Type I, Class ATolerance: 0.10 mLQuantity Per Case: 10Neck Type: Solid Glass StopperNeck Specification: GroundedStopper Size: 19 / 26Autoclavable: YesCertified and Calibrated at 20 CAccuracy as per Class A, ASTM E288 with Individual Certificate