Class A Wide Mouth Volumetric Flask (TC), Individually Certified

United Scientific Wide Mouth Volumetric Flasks are designed for precise solution preparation, containment, and measurement in analytical, research, educational, and quality control laboratories. Calibrated to contain, these Class A flasks are manufactured from clear borosilicate glass and meet ASTM E288 serialized glassware specifications for dependable accuracy and documentation.

Each flask features a wide mouth design for easier filling, mixing, and sample transfer, along with heavy-duty uniform wall thickness for reliable everyday lab performance. Enamel printing and diamond-etched graduation lines provide clear volume reference, while the included printed calibration certificate, penny head glass stopper, and polyethylene stopper give labs the documentation and accessories they need right out of the box.

• Class A volumetric flasks manufactured to ASTM E288 serialized glassware specifications
• Individually certified and serialized for quality documentation and traceability
• Calibrated to contain for accurate solution preparation and volume containment
• Clear borosilicate glass construction supports visibility and chemical resistance
• Heavy-duty uniform wall thickness provides dependable laboratory performance
• Wide mouth design allows easier filling, mixing, and sample transfer
• Enamel printing and diamond-etched graduation lines support clear volume reading
• Available capacities include 5 mL, 10 mL, 20 mL, 25 mL, 50 mL, 100 mL, 200 mL, and 250 mL
• Tolerances range from ±0.06 mL to ±0.12 mL depending on flask capacity
• Stopper sizes include 14/23 and 19/26 depending on flask capacity
• Includes printed calibration certificate, penny head glass stopper, and polyethylene stopper