DURAN Volumetric Flask 250 mL Class A 246783653

DURAN Volumetric Flask 250 mL Class A 246783653

The DURAN Volumetric Flask 250 mL  Class A 246783653 offers precise and traceable volumetric measurement for professional laboratory use. It is crafted from borosilicate glass 3.3, which delivers superior resistance to both chemical corrosion and thermal shock. Moreover, its Class A calibration ensures measurement accuracy that complies with ISO 1042 international standards.

Each flask is supplied with a Batch Certificate, providing full traceability and verified calibration accuracy. In addition, the blue printed graduation line remains permanently visible, ensuring clear and consistent readings. The plastic stopper fits securely to prevent evaporation or contamination, maintaining the integrity of the measured solution. Therefore, this flask supports both precision and safety in routine volumetric tasks.

The autoclavable construction allows easy sterilization without affecting clarity or calibration. Consequently, it serves as a dependable, long-lasting tool for chemical, educational, and research laboratories. Overall, the DURAN 250 mL Volumetric Flask combines certified accuracy, safety, and reliability in a robust and user-friendly design.

Specifications

• Brand: DURAN

• Material: Borosilicate Glass 3.3

• Stopper Type: Plastic

• Class: A (Batch Certified)

• Capacity: 250 mL

• Graduation Color: Blue

• Standard Compliance: ISO 1042

• Autoclavable: Yes

• Catalog Number: 246783653

Key Features

• Class A accuracy compliant with ISO 1042

• Supplied with Batch Certificate for traceable calibration

• Borosilicate glass provides high thermal and chemical resistance

• Blue graduation line offers clear, permanent visibility

• Plastic stopper ensures secure, contamination-free closure

• Autoclavable and reusable for long-term laboratory use

Applications

Ideal for standard solution preparation, reagent dilution, and precise volumetric analysis. Furthermore, it suits analytical, industrial, and educational laboratories that require certified accuracy and safe handling. Ultimately, the DURAN 250 mL Volumetric Flask delivers reproducible results and long-lasting durability for professional laboratory operations.