Volumetric Flask with Plastic Stopper 250 ml
Description
A Volumetric Flask with Plastic Stopper and 250 ml capacity is a precision laboratory glassware instrument used for accurate measurement and preparation of chemical solutions. It is made from clear borosilicate glass conforming to ISO 1042 and DIN 12664 standards, known for its excellent chemical resistance and low thermal expansion.
Key Features
Made of high-quality borosilicate glass 3.3 with blue printed graduations.
Class A accuracy with a tolerance of ±0.15 ml at 20°C.
Features a flat-bottomed, pear-shaped body with a long narrow neck.
Equipped with a plastic stopper made of polyethylene (PE) or polypropylene for secure sealing.
Ground-glass neck with a standard 14/23 joint.
Height approximately 220 mm with a diameter of about 80 mm.
Graduated with a single etched or screen-printed mark indicating exact volume.
Supplied with batch number and individual calibration certificate.
Suitable for precise volumetric measurements, solution preparations, and dilutions in scientific, educational, and industrial labs.
This flask ensures reliable volumetric accuracy and durability, making it essential for laboratory quantitative tasks.


